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Yoyoceramic local bitcoins app

Cloud Configure. Us MonitorHotels. S Census Bureau U. Army U. Bureau of Labor Statistics U. Department of Commerce U. Department of Education U. Department of Energy U. Department of Health and Human Services U. Department of Justice U. Department of Labor U. Department of Transportation U. Department of Veterans Affairs U. General Services Administration U. Government Publishing Office U. Navy U. AI Withings Wix. Source code. API Videos. Track Search. Also new to the directory are SDKs for the Tradable financial trading platform.

Here's a rundown of the latest additions. The first two are not at all surprising given that many IoT applications run on embedded systems. What next? While the IoT is still nascent and issues like security and performance still need to be addressed, the second IoT Developer Survey suggests that the path Those interested can visit the GitHub repo for more information.

Materials available for printing include steel, silver, ceramic, glass, and various plastics. Shapeways provides Upgrading for those using the Google Cloud Client Libraries is straightforward Database , API Design. Plumbr is a monitoring system designed to detect issues in Java applications.

It's useful for memory leaks discovery, garbage collection pauses, and slow HTTP operations. The Plumbr API is used only to retrieve data resources. Natural Language Processing. The nice part about the samples that Google has put up for the Cloud Vision API is the range of applications and platforms.

They range from processing files in Google Cloud Storage, to Text Bitcoin Transaction Unconfirmed for 10 Days [duplicate] This question already has an answer here: Why is my transaction not getting confirmed and what can I do about it? I tried to transfer my bitcoin from my trezor to my coinbase account but the funds are not appearing in my coinbase account.

Here is the transaction hash for reference: 44b47fff5bc5fc44b04ac7b1ac2c9e2be6ffe6c5e6da How will the Lightning Network handle most money being pushed towards specific nodes? Are there simulations of scenarios taking into consideration that most payments in LN will go into specific nodes say, Amazon or Ebay?

The majority of payments we make are not towards our friends, but towards big entities that sell stuff. So the number of nodes making payments will always outweigh the nodes receiving them - this seems like the law of business if you ask me. I'm not sure how the graph will behave when all the money is always pushed towards few nodes.

Have simulations been done for these sort of scenarios? How to split up the coinbase reward? Some Context I'm currently in development of an altcoin based on the bitcoin source code, which is designed to help charities raise capital. Lets call this wallet the fund wallet. As the coin is adopted and mined, this wallet receives a steady stream of coins. The Part That Works I have made some changes to the original bitcoin code so that the mining reward can be split over multiple wallets when the coin is mined in the QT wallet.

Now, when a miner mines a block, the coinbase transaction's output is split into two. Where are the blocks in the blockchain stored? I understand that every transaction of bitcoin is stored in a "block" which is then added to the "blockchain". I realize that this is data of some sort that must have a physical location. Where is that location s? Where is the data of the blockchain stored?

Transfer of satoshi from miner game to bitcoin wallet. Transfer of satoshi from miner game to bitcoin wallet How I can transfer my satoshi to bitcoin wallet. As there is no currency shown as satoshi for accepting in the wallet. I have ten lacs of satoshi. What underlying data structure is used to store wallet address on the blockchain? I'm curious how websites like bitref.

I understand that the blockchain stores every single transaction across the thousands of blocks, so it's possible to reconstruct the balance of any wallet with this ledger. But wouldn't it take a long time to scan all these transactions? Instead, does the blockchain actually store every single address in some sort of map? Would this also contain the balance of each address?

If so, I can't find a website where I could view all the addresses on the blockchain. Does anyone know where I can find that? Now what I was curious about is whether this was a scam and if not was there a way of keeping myself secure in the process???? The process from what I was being sold is as follows: Open a blockchain wallet. Send them the details of the wallet user and password Change the password to whatever Start earning after depositing a certain bare minimum amount lets say 0.

Shares from mining Electroneum sent to my Electroneum wallet never show up? I've been mining Electroneum for a few days, primarily to learn about how Electroneum works. The node is completely synced with electroneumd. I've also configured a new wallet using their electroneum-wallet-cli.

BTC transaction is slow now. How come when buying at Exchange, it's immediate? On Exchange, when buy or sell, it's immediate. Isn't transaction is supposed to be ledger by Blockchain? Does that mean my BTC account at Exchange are all not ledger yet. How legitimate is my BTC at Exchange then? My understanding is when I withdraw BTC to my cold storage, that's the time it is ledger by Blockchain and it usually take some time.

Am I correct? Revain Officially Releases v0. Revain have now released version 0. Send Bitcoin cash to a Bitcoin address. As this format is not supported on Bitcoin Cash, we cannot recover these funds. From the Whitepaper: Timestamps prove that the data must have existed at the time". Each timestamp includes the previous timestamp in its hash, forming a chain, with each additional timestamp reinforcing the ones before it.

Is it the next sentence about "reinforcing" that is key to his meaning? What makes Ripple money transfer significantly cheaper and faster than the traditional bank transfer? In another word, what kinds of cost of both time and effort that Ripple can cut off compared to bank wire transfer, SWIFT, or other money transfer services?

Do I need to have a full node to create an online bitcoin wallet. Do I need to have a full node to create an online bitcoin wallet I am creating an online exchange website. I need to have a reliable bitcoin wallet on my website.

Do I need to have a full node to create an online bitcoin wallet? Can bitcoin be forked in such way that the monetary base increase? Can it be forked into a new coin, such that if i had X bitcoins i will still have X coins in the new crypto-coin, but the monetary base will be 50M coins for example? Can anyone explain this pseudocode to find a returning address?

I was reading a popular answer which explains how to find the address of the person who sent a transaction and the pseudocode in that answer does not make much sense to me. A wallet which created txid can use many inputs from different addresses to send that amount of money. Cryptocurrency wallet. Cryptocurrency wallet For instance : If I have funds in my Litecoin wallet and thransfered that fund to buy another currency. At this point would I have still my Litecoin I started with?

Is the money in the wallet considered to be a prophet from the coins and not include the share of coins I own?! I have google a lot, there exists little information, confused with the code comments Retrieve the range of blocks that may have been only partially written. If the database is in a consistent state, the result is the empty vector. Otherwise, a two-element vector is returned consisting of the new and the old block hash, in that order.

I don't know what's going on here. The problem I'm having is exactly the question. But when I look at the miner in BTC. As a result, no revenue is generated. I currently did a 7 hour session to see the long-term effects, and nothing worked. Could someone tell me what's going on with this? Retrieve Bitcoin wallet details. December 28, How do you create a raw block for submission using submitblock in python?

I would like to create a raw block for submission, first starting with the information in getblocktemplate, creating the coinbase transaction, then submitting the block. Is there a working python example? Ripple problem with synchronizing. Ripple problem with synchronizing I install rippled and make some changes in config file.

But I get error Noob confused on GDAX. I now know to transfer to usd wallet and buy on GDAX. My question is when I hit the btc to eth tab it would not let me conevert to ether on a limit order. Are you not allowed to convert these on here or ami just doing it wrong.

I put in the ether amount equivalent to my bitcoin balance. Thanks in advance!! It says that the address is only compatible with Armory. How do I claim a forked coin when the address is only compatible with Armory, or is there a way to import the key into a different wallet? How do you create the Bitcoin coinbase transaction in python ? There is a lot of old material out there on the web to create the coinbase transaction. How can you do this in python? Why do people go looking for old hardware that has a wallet?

Don't you just need the recovery phrase to get your bitcoins back if your computer is lost or damaged? I don't understand these stories of people trying to find old computers with wallets on them at the dump. Help with the testnet for blockchain. What is necessary to create an Electrum wallet for altcoins? I realize this is dependent on the technology its built on, but if it for example were a Litecoin-clone, how would one go about to do this in broad strokes?

Connecting Genesis Mining to a bitcoin wallet. Connecting Genesis Mining to a bitcoin wallet I am a noob to bitcoin and want to know a few things-: I saw the Genesis Mining pricing here. Now my question is that if I use cloud mining can I transfer that amount to my Bitcoin wallet? Like CoinBase or Bitcoin core? Can that be done in Genesis Mining? How do I trace a bitcoin transaction to find its location in the world. How do I trace a bitcoin transaction to find its location in the world I need to trace a bitcoin transaction to find out roughly where in the world the wallet is located.

If so, roughly how accurate is it? ICO of Ambitious Esports. An early Bitcoin entrepreneur with a history of launching and growing successful companies inside and outside the cryptocurrency space. Practical difference between mainnet and testnet. Practical difference between mainnet and testnet I managed to write a piece of code that generates a bitcoin address and creates a transaction.

I would like to make some tests on the testnet but it seems to lack some documentation. So far I figured that we use a different version 0xEF rather than 0x80 when creating a WIF key, and that we use a net byte of 0x6F rather than 0x00 when creating a public address from the public key.

What other differences are there? The differences I mentioned above are not sufficient to create a valid public address it appears. Maybe the base58 encoding is different? What about raw transactions? Is it normal? Type of wallet to be used on pool. Type of wallet to be used on pool I'm starting mining just now. Probably I'll go with slushpool.

What I'm not sure about is which wallet is best to be used for payments. What I exactly mean is: I have created account on "blockchain. Is all the wallets similar? Is there any safe static wallet that can be used? Credencys Solutions to Provide Augmented Reality Apps for Lucyd Smartglasses Lucyd is utilizing blockchain technology to develop ergonomic smartglasses.

The platform created by Lucyd will make the creation and sharing of augmented reality a thing of the present. How to change block generation time and make it real-name system? I maybe start with just copy bitcoin source, but I want to revise it. So I want to make another crypto currency that can be used for actual transaction at online game or offline stores.

For this, transaction time should be almost instantly. So, block generation time should be shorter like few seconds. How achieve this? What part of source should I revise? And whats the problem of making this short? System unstable? How to solve that? How to make real-name system instead of anonymity of current most crypto currency?

So how to make specific wallet or address is owned by some specific real person? Maybe this needed to be additional programming development? Why do we need SegWit technical explanation. Why do we need SegWit technical explanation After reading a lot of articles, whitepapers and videos I am still confused why do we need SegWit an Lightning instead of just bigger blocks.

For a non-involved Bitcoin developer the debate is just crazy and both sides have their pros and cons but there must be technical arguments or not..? On Tuesday, it came back to 16 thousand dollars. It is understood that the price of bitcoin rose rapidly in the middle of September this year to mid December. But last week, bitcoin had an inflection point.

After the 20 thousand dollar pass on De. Cryptocurrency with addresses that cannot collide? I had originally posted the following question here: Is it possible to have a cryptocurrency based on email address? And now I have come across The Large Bitcoin Collider I have read on Bitcoin Stackexchange and other places people writing how improbably it is to collide with an existing address with a balance.

Some even wrote its astronomically improbable. But if you look here you'll see that the LBC in a matter of few months has already found over 15 addresses with balance, of which one contained 0. Clearly this is a big problem. Right now a Bitcoin address with some balance is akin to a cabin in some woods with no door and a small pouch of gold waiting to be discovered. My question is, what is the solution to this going to be? I have a few comments which I'll consider unacceptable.

I am listing them and their reasons. Comment: Even bank acc. Why is the price of bitcoin slumped? Is it worth holding for a long time. Is it worth holding for a long time It is understood that the price of bitcoin rose rapidly in the middle of September this year to mid December. This number exceeds the market value of Goldman Sachs and Morgan Stanley.

I've purchased some altcoins, and added these altcoins to my cryptocompare. It seems I have too much bitcoin in my portfolio cryptocompare. What's so special about six blocks for confirming transactions? I read that when your transaction is part of a block that has five other blocks on top of it, you can feel safe that your transaction is not in danger of being orphaned because someone else would come along and confirm a series of blocks longer than the one of which your transaction belongs.

My question is what's so special about six? It seems like an arbitrary number. Why not five or seven? December 27, Do You Enjoy Crypt0's. Can we trust Aionnext exchange platform? I have a general question, if there is a list of regulatory approved exchange for cryptocurrency brokers? I had bitcoin via Changetip but it closed and I transferred coin to a wallet which I don't remember. I have bitcoin via Changetip but Changetip website closed and I transferred coin to a wallet which I don't remember.

My question is how do I retrieve my bitcoin? Any help is appreciated, thank you in advance. Deposit of bitcoin. Deposit of bitcoin could you tell me why i didnt get all my money from 0,66 BTC i got only 0,26 BTC on my cryptopia account. Ripple paper wallet: is "ripplepaperwallet. I've been reading on the internet and I have found several websites for generating Ripple paper wallets: ripply. I'm not sure if these websites are official Ripple websites and trustworthy for generating paper wallets.

I'm using Windows 8. I'd like to know what is the community consensus and what is the way of establishing consensus moving forward? The good metric could potentially be: sign a message using your Bitcoin private key In that way it should be possible to verify who are the active users of Bitcoin. Storing wallet key for automatic transactions. Storing wallet key for automatic transactions Is there any way to do this?

For example I don't even want to know what my wallet is, only my server intranet , so that it can make automatic transactions for me based on thresholds. Or should I not be looking at this approach at all? How do the big exchanges do it? Can I automate transactions securely without needing to type a password every time? Which Bitcoin wallet is best for production application? I have been researching into Bitjoinj alot. I have answered alot of my own questions by researching but I cant seem to answer these questions.

Maybe because of my lack of understanding. I was hoping someone with more experience could help. Handling other peoples currency? Is this possible with BitcoinJ? If so are there any security features I need to implement to make it safe? All transactions that were ever relevant to the wallet are loaded into memory, all the time, and re-written every time the wallet is saved.

This results in a simple on-disk format accessible to many kinds of apps, but has poor performance for heavy users. Help please. What does that mean? Did I get hacked? What can I do about it? Thanks for helping! BTC sent from blockchain. On Dec 21st by mistake i sent 2BTC from my blockchain. I have contacted them many times and they refuse to assist me with recovering them. Is there anyway that i can retrieve those coins? Much appreciate your help with this.

Is scriptSig different for each input? Since scriptSig is a signed transaction hash with the spender's private key, how is the scriptsig different for each input? How does the bitcoin transaction fee get paid to miner s? How does this get paid to the miners?

When I view a blockchain explorer a few days later, there might be 16 confirmations. How many confirmations does it take to get added into a block? I understand proof of work. But I don't quite understand how a transaction fee gets paid out. How can I perform private key generation in python? And why can't I generate the same private key as yours?

Do relay nodes need to have money in order to relay transactions? Imagine Alice wants to send 0. They both open channels with Carol, a relay node that has no money. They create single funded channels each of 1 btc. Now Alice updates her channel to be 0. To relay this 0. But she doesn't have any money on her side to do this. All the money is on Bob's side -- as I said earlier, Carol doesn't have any money.

What's the workaround for this? Do relay nodes need to have money to relay transactions? How do I read the data from my Bitcoin Core local copy? I have installed a Bitcoin Core Wallet. And I have also downloaded the whole chain data. Am I able to view it with some software?

There are many. Bitcoin sent but not received. Bitcoin sent but not received I have a problem with a BTC transaction I have sent 0. It has been confirmed but it has never reached my Koinex wallet. Can you please help me with that? Why increasing block size increases centralisation?

I understand this is a contentious question. Help me understand Why increasing block size increases the risk of centralization? I don't understand what Antonopoulos meant when he said few people can validate the blockchain when block-size is increased. With which one of these increases, fewer people can participate in the validation process, fewer people can participate in storing the data, and fewer people can participate in being independent actors. Seven Reasons You Should Invest in Digital Land Real estate has always been a good investment, yet problems often arise when purchasing a plot at a prime location in a big city.

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Here is the transaction hash for reference: 44b47fff5bc5fc44b04ac7b1ac2c9e2be6ffe6c5e6da How will the Lightning Network handle most money being pushed towards specific nodes? Are there simulations of scenarios taking into consideration that most payments in LN will go into specific nodes say, Amazon or Ebay? The majority of payments we make are not towards our friends, but towards big entities that sell stuff. So the number of nodes making payments will always outweigh the nodes receiving them - this seems like the law of business if you ask me.

I'm not sure how the graph will behave when all the money is always pushed towards few nodes. Have simulations been done for these sort of scenarios? How to split up the coinbase reward? Some Context I'm currently in development of an altcoin based on the bitcoin source code, which is designed to help charities raise capital.

Lets call this wallet the fund wallet. As the coin is adopted and mined, this wallet receives a steady stream of coins. The Part That Works I have made some changes to the original bitcoin code so that the mining reward can be split over multiple wallets when the coin is mined in the QT wallet.

Now, when a miner mines a block, the coinbase transaction's output is split into two. Where are the blocks in the blockchain stored? I understand that every transaction of bitcoin is stored in a "block" which is then added to the "blockchain". I realize that this is data of some sort that must have a physical location. Where is that location s? Where is the data of the blockchain stored? Transfer of satoshi from miner game to bitcoin wallet.

Transfer of satoshi from miner game to bitcoin wallet How I can transfer my satoshi to bitcoin wallet. As there is no currency shown as satoshi for accepting in the wallet. I have ten lacs of satoshi. What underlying data structure is used to store wallet address on the blockchain? I'm curious how websites like bitref. I understand that the blockchain stores every single transaction across the thousands of blocks, so it's possible to reconstruct the balance of any wallet with this ledger.

But wouldn't it take a long time to scan all these transactions? Instead, does the blockchain actually store every single address in some sort of map? Would this also contain the balance of each address? If so, I can't find a website where I could view all the addresses on the blockchain.

Does anyone know where I can find that? Now what I was curious about is whether this was a scam and if not was there a way of keeping myself secure in the process???? The process from what I was being sold is as follows: Open a blockchain wallet.

Send them the details of the wallet user and password Change the password to whatever Start earning after depositing a certain bare minimum amount lets say 0. Shares from mining Electroneum sent to my Electroneum wallet never show up? I've been mining Electroneum for a few days, primarily to learn about how Electroneum works. The node is completely synced with electroneumd.

I've also configured a new wallet using their electroneum-wallet-cli. BTC transaction is slow now. How come when buying at Exchange, it's immediate? On Exchange, when buy or sell, it's immediate. Isn't transaction is supposed to be ledger by Blockchain? Does that mean my BTC account at Exchange are all not ledger yet. How legitimate is my BTC at Exchange then?

My understanding is when I withdraw BTC to my cold storage, that's the time it is ledger by Blockchain and it usually take some time. Am I correct? Revain Officially Releases v0. Revain have now released version 0. Send Bitcoin cash to a Bitcoin address. As this format is not supported on Bitcoin Cash, we cannot recover these funds. From the Whitepaper: Timestamps prove that the data must have existed at the time". Each timestamp includes the previous timestamp in its hash, forming a chain, with each additional timestamp reinforcing the ones before it.

Is it the next sentence about "reinforcing" that is key to his meaning? What makes Ripple money transfer significantly cheaper and faster than the traditional bank transfer? In another word, what kinds of cost of both time and effort that Ripple can cut off compared to bank wire transfer, SWIFT, or other money transfer services?

Do I need to have a full node to create an online bitcoin wallet. Do I need to have a full node to create an online bitcoin wallet I am creating an online exchange website. I need to have a reliable bitcoin wallet on my website. Do I need to have a full node to create an online bitcoin wallet?

Can bitcoin be forked in such way that the monetary base increase? Can it be forked into a new coin, such that if i had X bitcoins i will still have X coins in the new crypto-coin, but the monetary base will be 50M coins for example? Can anyone explain this pseudocode to find a returning address?

I was reading a popular answer which explains how to find the address of the person who sent a transaction and the pseudocode in that answer does not make much sense to me. A wallet which created txid can use many inputs from different addresses to send that amount of money.

Cryptocurrency wallet. Cryptocurrency wallet For instance : If I have funds in my Litecoin wallet and thransfered that fund to buy another currency. At this point would I have still my Litecoin I started with? Is the money in the wallet considered to be a prophet from the coins and not include the share of coins I own?!

I have google a lot, there exists little information, confused with the code comments Retrieve the range of blocks that may have been only partially written. If the database is in a consistent state, the result is the empty vector. Otherwise, a two-element vector is returned consisting of the new and the old block hash, in that order.

I don't know what's going on here. The problem I'm having is exactly the question. But when I look at the miner in BTC. As a result, no revenue is generated. I currently did a 7 hour session to see the long-term effects, and nothing worked. Could someone tell me what's going on with this? Retrieve Bitcoin wallet details. December 28, How do you create a raw block for submission using submitblock in python? I would like to create a raw block for submission, first starting with the information in getblocktemplate, creating the coinbase transaction, then submitting the block.

Is there a working python example? Ripple problem with synchronizing. Ripple problem with synchronizing I install rippled and make some changes in config file. But I get error Noob confused on GDAX. I now know to transfer to usd wallet and buy on GDAX. My question is when I hit the btc to eth tab it would not let me conevert to ether on a limit order. Are you not allowed to convert these on here or ami just doing it wrong. I put in the ether amount equivalent to my bitcoin balance.

Thanks in advance!! It says that the address is only compatible with Armory. How do I claim a forked coin when the address is only compatible with Armory, or is there a way to import the key into a different wallet? How do you create the Bitcoin coinbase transaction in python ? There is a lot of old material out there on the web to create the coinbase transaction.

How can you do this in python? Why do people go looking for old hardware that has a wallet? Don't you just need the recovery phrase to get your bitcoins back if your computer is lost or damaged? I don't understand these stories of people trying to find old computers with wallets on them at the dump. Help with the testnet for blockchain. What is necessary to create an Electrum wallet for altcoins? I realize this is dependent on the technology its built on, but if it for example were a Litecoin-clone, how would one go about to do this in broad strokes?

Connecting Genesis Mining to a bitcoin wallet. Connecting Genesis Mining to a bitcoin wallet I am a noob to bitcoin and want to know a few things-: I saw the Genesis Mining pricing here. Now my question is that if I use cloud mining can I transfer that amount to my Bitcoin wallet? Like CoinBase or Bitcoin core? Can that be done in Genesis Mining? How do I trace a bitcoin transaction to find its location in the world.

How do I trace a bitcoin transaction to find its location in the world I need to trace a bitcoin transaction to find out roughly where in the world the wallet is located. If so, roughly how accurate is it? ICO of Ambitious Esports. An early Bitcoin entrepreneur with a history of launching and growing successful companies inside and outside the cryptocurrency space. Practical difference between mainnet and testnet.

Practical difference between mainnet and testnet I managed to write a piece of code that generates a bitcoin address and creates a transaction. I would like to make some tests on the testnet but it seems to lack some documentation.

So far I figured that we use a different version 0xEF rather than 0x80 when creating a WIF key, and that we use a net byte of 0x6F rather than 0x00 when creating a public address from the public key. What other differences are there? The differences I mentioned above are not sufficient to create a valid public address it appears. Maybe the base58 encoding is different? What about raw transactions? Is it normal? Type of wallet to be used on pool.

Type of wallet to be used on pool I'm starting mining just now. Probably I'll go with slushpool. What I'm not sure about is which wallet is best to be used for payments. What I exactly mean is: I have created account on "blockchain. Is all the wallets similar? Is there any safe static wallet that can be used? Credencys Solutions to Provide Augmented Reality Apps for Lucyd Smartglasses Lucyd is utilizing blockchain technology to develop ergonomic smartglasses.

The platform created by Lucyd will make the creation and sharing of augmented reality a thing of the present. How to change block generation time and make it real-name system? I maybe start with just copy bitcoin source, but I want to revise it. So I want to make another crypto currency that can be used for actual transaction at online game or offline stores. For this, transaction time should be almost instantly.

So, block generation time should be shorter like few seconds. How achieve this? What part of source should I revise? And whats the problem of making this short? System unstable? How to solve that? How to make real-name system instead of anonymity of current most crypto currency?

So how to make specific wallet or address is owned by some specific real person? Maybe this needed to be additional programming development? Why do we need SegWit technical explanation. Why do we need SegWit technical explanation After reading a lot of articles, whitepapers and videos I am still confused why do we need SegWit an Lightning instead of just bigger blocks. For a non-involved Bitcoin developer the debate is just crazy and both sides have their pros and cons but there must be technical arguments or not..?

On Tuesday, it came back to 16 thousand dollars. It is understood that the price of bitcoin rose rapidly in the middle of September this year to mid December. But last week, bitcoin had an inflection point. After the 20 thousand dollar pass on De. Cryptocurrency with addresses that cannot collide?

I had originally posted the following question here: Is it possible to have a cryptocurrency based on email address? And now I have come across The Large Bitcoin Collider I have read on Bitcoin Stackexchange and other places people writing how improbably it is to collide with an existing address with a balance.

Some even wrote its astronomically improbable. But if you look here you'll see that the LBC in a matter of few months has already found over 15 addresses with balance, of which one contained 0. Clearly this is a big problem. Right now a Bitcoin address with some balance is akin to a cabin in some woods with no door and a small pouch of gold waiting to be discovered.

My question is, what is the solution to this going to be? I have a few comments which I'll consider unacceptable. I am listing them and their reasons. Comment: Even bank acc. Why is the price of bitcoin slumped? Is it worth holding for a long time. Is it worth holding for a long time It is understood that the price of bitcoin rose rapidly in the middle of September this year to mid December. This number exceeds the market value of Goldman Sachs and Morgan Stanley. I've purchased some altcoins, and added these altcoins to my cryptocompare.

It seems I have too much bitcoin in my portfolio cryptocompare. What's so special about six blocks for confirming transactions? I read that when your transaction is part of a block that has five other blocks on top of it, you can feel safe that your transaction is not in danger of being orphaned because someone else would come along and confirm a series of blocks longer than the one of which your transaction belongs.

My question is what's so special about six? It seems like an arbitrary number. Why not five or seven? December 27, Do You Enjoy Crypt0's. Can we trust Aionnext exchange platform? I have a general question, if there is a list of regulatory approved exchange for cryptocurrency brokers? I had bitcoin via Changetip but it closed and I transferred coin to a wallet which I don't remember. I have bitcoin via Changetip but Changetip website closed and I transferred coin to a wallet which I don't remember.

My question is how do I retrieve my bitcoin? Any help is appreciated, thank you in advance. Deposit of bitcoin. Deposit of bitcoin could you tell me why i didnt get all my money from 0,66 BTC i got only 0,26 BTC on my cryptopia account. Ripple paper wallet: is "ripplepaperwallet. I've been reading on the internet and I have found several websites for generating Ripple paper wallets: ripply.

I'm not sure if these websites are official Ripple websites and trustworthy for generating paper wallets. I'm using Windows 8. I'd like to know what is the community consensus and what is the way of establishing consensus moving forward?

The good metric could potentially be: sign a message using your Bitcoin private key In that way it should be possible to verify who are the active users of Bitcoin. Storing wallet key for automatic transactions. Storing wallet key for automatic transactions Is there any way to do this?

For example I don't even want to know what my wallet is, only my server intranet , so that it can make automatic transactions for me based on thresholds. Or should I not be looking at this approach at all? How do the big exchanges do it? Can I automate transactions securely without needing to type a password every time? Which Bitcoin wallet is best for production application? I have been researching into Bitjoinj alot. I have answered alot of my own questions by researching but I cant seem to answer these questions.

Maybe because of my lack of understanding. I was hoping someone with more experience could help. Handling other peoples currency? Is this possible with BitcoinJ? If so are there any security features I need to implement to make it safe? All transactions that were ever relevant to the wallet are loaded into memory, all the time, and re-written every time the wallet is saved. This results in a simple on-disk format accessible to many kinds of apps, but has poor performance for heavy users.

Help please. What does that mean? Did I get hacked? What can I do about it? Thanks for helping! BTC sent from blockchain. On Dec 21st by mistake i sent 2BTC from my blockchain. I have contacted them many times and they refuse to assist me with recovering them. Is there anyway that i can retrieve those coins? Much appreciate your help with this. Is scriptSig different for each input? Since scriptSig is a signed transaction hash with the spender's private key, how is the scriptsig different for each input?

How does the bitcoin transaction fee get paid to miner s? How does this get paid to the miners? When I view a blockchain explorer a few days later, there might be 16 confirmations. How many confirmations does it take to get added into a block? I understand proof of work. But I don't quite understand how a transaction fee gets paid out.

How can I perform private key generation in python? And why can't I generate the same private key as yours? Do relay nodes need to have money in order to relay transactions? Imagine Alice wants to send 0. They both open channels with Carol, a relay node that has no money. They create single funded channels each of 1 btc. Now Alice updates her channel to be 0. To relay this 0. But she doesn't have any money on her side to do this. All the money is on Bob's side -- as I said earlier, Carol doesn't have any money.

What's the workaround for this? Do relay nodes need to have money to relay transactions? How do I read the data from my Bitcoin Core local copy? I have installed a Bitcoin Core Wallet. And I have also downloaded the whole chain data. Am I able to view it with some software? There are many.

Bitcoin sent but not received. Bitcoin sent but not received I have a problem with a BTC transaction I have sent 0. It has been confirmed but it has never reached my Koinex wallet. Can you please help me with that? Why increasing block size increases centralisation?

I understand this is a contentious question. Help me understand Why increasing block size increases the risk of centralization? I don't understand what Antonopoulos meant when he said few people can validate the blockchain when block-size is increased. With which one of these increases, fewer people can participate in the validation process, fewer people can participate in storing the data, and fewer people can participate in being independent actors.

Seven Reasons You Should Invest in Digital Land Real estate has always been a good investment, yet problems often arise when purchasing a plot at a prime location in a big city. However, buying artificial land in virtual worlds such as Second Life, Sansar, Decentraland or High Fidelity is not only easy, but also promises to be a profitable trend of the future. Back-up a Coinbase wallet? Yes I am a newbie trying to get started with Coinbase.

Convenience property representing if the request ended normally. Will evaluate to true if the response status was greater than or equal to but smaller than Convenience property representing if the request has been redirected at least once. Will evaluate to true if the internal redirect counter is greater than 0.

This class allows manipulating and iterating over a set of HTTP headers. All methods specified in the Fetch Standard are implemented. Construct a new Headers object. Body is an abstract interface with methods that are applicable to both Request and Response classes. Data are encapsulated in the Body object. A boolean property for if this body has been consumed. Per the specs, a consumed body cannot be used again.

Identical to body. This API requires an optional dependency of the npm package encoding , which you need to install manually. An operational error in the fetching process. An Error thrown when the request is aborted in response to an AbortSignal 's abort event.

It has a name property of AbortError. MD for more info. A light-weight module that brings window. Last updated 6 years ago by bitinn. Features Stay consistent with window. Make conscious trade-off when following WHATWG fetch spec and stream spec implementation details, document known differences. Use native promise but allow substituting it with [insert your favorite promise library]. Use native Node streams for body on both request and response. Useful extensions such as timeout, redirect limit, response size limit, explicit errors for troubleshooting.

Difference from client-side fetch See Known Differences for details. If you happen to use a missing feature that window. Pull requests are welcomed too! Installation Current stable release 2. Options The default values are shown after each option key. Signal is recommended instead. Due to the nature of Node.

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Betting on football tips Source code. The device asked me to verify 3 of the 24 words and my input was valid. Why increasing block size increases centralisation? Stuck for 30 days. My question is when I hit the btc to eth tab it would not let me conevert to ether on a limit order. You may cancel requests with AbortController. Due to this, the transaction is marked on blockchain as 'unconfirmed transaction'.
Best sporting betting sites Here's a rundown of the latest additions. Lets call this wallet the fund wallet. Roughly an hour later on Changelly its stated Your money has been exchanged. Is this possible with BitcoinJ? How do I go about this?
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However, as an economics and technology enthusiast, i am curious to learn more about the inherent incentive structure that would prevail if the block chain is for a non-financial asset let's say it stores patient's data- a use case for blockchain in the healthcare market? How can we incentivize miners to validate and solve pending blocks in cases where a blockchain stores a non-financial asset and therefore giving a financial i.

Why ordinary users are left with less and less choice and how to solve this problem? Is it possible to get all UTXO for a certain height of the chain either via bitcoin-cli or some other tool? What does it mean to go negative on exchange? I know this is a very basic question, but I am just curious about all this exchange stuff and I'm new to this.. The next day Bitcoin falls and I go negative eg. Which one is it? Bitcoin mining fee from Exchange doesn't add up.

Bitcoin mining fee from Exchange doesn't add up I've bought some Bitcoin from an Exchange and transferred it out, I won't name the exchange but they advertise no trading fees and no withdrawal fees on cryto other than the mining fee.

During the withdrawal process I selected 0. Am I getting ripped off? I feel like they've taken 0. Passphrase not working for my Nano Ledger. Passphrase not working for my Nano Ledger My passphrase is not successful. I have ripple coins lost.

Can it be recover from the block chain? OTS - Can't find Bitcoin block! I used the command "dumpwallet" and got a file with all private keys and addresses, and there is an extended private masterkey,and what confused me is that there are key addresses pairs with the same hdkeypath and I tried to generate the private keys in iancoleman.

I cant figure why this block has 0 coinbase with 0 transactions How to get my unconfirmed transaction to confirm. Stuck for 30 days. Stuck for 30 days My coins were sent with low fees by bitclub advantage. Due to this, the transaction is marked on blockchain as 'unconfirmed transaction'.

I have tried to get the sender to reverse the transaction or increase fees and they do not respond. I am not a technical person and only a mere investor. I have seen a lot of explanation and even approached support viabtc. How can I confirm the transaction. I am willing to pay higher fees to unstuck the transaction.

Question is: Someone explain to a sister like a 5 year old how I can have my coins in my wallet. I need someone to hold my hands and get my hard earned coins. Simdaq: a Community Approach to Crypto Trading. December 29, What is the purpose of the 20 XRP cost to start a wallet? Does the money stay in the wallet or is it used to pay for something? If it's used to pay, who does it go to? If it stays in the wallet, am I allowed to take it out and drain the wallet later without any consequences?

Accidentally sent bitcoin to a coinbase bitcoin cash address. Please help! I accidentally set Bitcoin to my coinbase Bitcoin Cash address! It's been 5 days and it's not showing up. Coinbase's customer service has been virtually useless only saying that transactions aren't reversible.

From what I've read this is recoverable with a private key and coinbase will not give it to me. Are there any options to recover these missing funds? Old bitcore wallet, with an email that cant be accessed I have a friend who recently got out of jail, prior to going in he purchased 8 bitcoin , bitcore being the wallet Back when he purchased he needed to submit photo ID. How do I go about this? How will Lightning Network nodes secure their hot wallets? The success of the Lightning Network is dependent on payment routing.

Successful payment routing will require online nodes with automated signing facilities. This entails online nodes with hot wallets. Well known advice within the Bitcoin community is to not use hot wallets. What can a Lightning Network node operator do to secure their nodes hot wallet and protect their private keys?

I currently have the following code. No matter what I try, I dont get the correct result. Why doesn't my ether wallet show balance? I just recovered my Ether wallet on other computer. There are blockchain link and wallet screenshot both. Sent btc to Coinbase bch address. Sent btc to Coinbase bch address Has anyone had any luck fixing their mistake?

What happens to transactions that remain unspent? How to import entire Armory wallet into Electrum? I've managed to import a private key, but how to import an entire wallet? Where is merkle path of a transaction stored in a transaction? I understand every transaction can be verified if it belongs to a block by a merkle path which is basically a set of hashes that finally end up at the merkle root.

I know the merkle root is stored in the block header, but where is the merkle path set of merkle hashes of a transaction stored within the block? Baseencode String. Bitcoin Transaction Unconfirmed for 10 Days [duplicate]. Bitcoin Transaction Unconfirmed for 10 Days [duplicate] This question already has an answer here: Why is my transaction not getting confirmed and what can I do about it?

I tried to transfer my bitcoin from my trezor to my coinbase account but the funds are not appearing in my coinbase account. Here is the transaction hash for reference: 44b47fff5bc5fc44b04ac7b1ac2c9e2be6ffe6c5e6da How will the Lightning Network handle most money being pushed towards specific nodes?

Are there simulations of scenarios taking into consideration that most payments in LN will go into specific nodes say, Amazon or Ebay? The majority of payments we make are not towards our friends, but towards big entities that sell stuff. So the number of nodes making payments will always outweigh the nodes receiving them - this seems like the law of business if you ask me. I'm not sure how the graph will behave when all the money is always pushed towards few nodes.

Have simulations been done for these sort of scenarios? How to split up the coinbase reward? Some Context I'm currently in development of an altcoin based on the bitcoin source code, which is designed to help charities raise capital. Lets call this wallet the fund wallet. As the coin is adopted and mined, this wallet receives a steady stream of coins.

The Part That Works I have made some changes to the original bitcoin code so that the mining reward can be split over multiple wallets when the coin is mined in the QT wallet. Now, when a miner mines a block, the coinbase transaction's output is split into two. Where are the blocks in the blockchain stored? I understand that every transaction of bitcoin is stored in a "block" which is then added to the "blockchain". I realize that this is data of some sort that must have a physical location.

Where is that location s? Where is the data of the blockchain stored? Transfer of satoshi from miner game to bitcoin wallet. Transfer of satoshi from miner game to bitcoin wallet How I can transfer my satoshi to bitcoin wallet. As there is no currency shown as satoshi for accepting in the wallet. I have ten lacs of satoshi. What underlying data structure is used to store wallet address on the blockchain? I'm curious how websites like bitref. I understand that the blockchain stores every single transaction across the thousands of blocks, so it's possible to reconstruct the balance of any wallet with this ledger.

But wouldn't it take a long time to scan all these transactions? Instead, does the blockchain actually store every single address in some sort of map? Would this also contain the balance of each address? If so, I can't find a website where I could view all the addresses on the blockchain.

Does anyone know where I can find that? Now what I was curious about is whether this was a scam and if not was there a way of keeping myself secure in the process???? The process from what I was being sold is as follows: Open a blockchain wallet. Send them the details of the wallet user and password Change the password to whatever Start earning after depositing a certain bare minimum amount lets say 0. Shares from mining Electroneum sent to my Electroneum wallet never show up? I've been mining Electroneum for a few days, primarily to learn about how Electroneum works.

The node is completely synced with electroneumd. I've also configured a new wallet using their electroneum-wallet-cli. BTC transaction is slow now. How come when buying at Exchange, it's immediate? On Exchange, when buy or sell, it's immediate.

Isn't transaction is supposed to be ledger by Blockchain? Does that mean my BTC account at Exchange are all not ledger yet. How legitimate is my BTC at Exchange then? My understanding is when I withdraw BTC to my cold storage, that's the time it is ledger by Blockchain and it usually take some time. Am I correct? Revain Officially Releases v0. Revain have now released version 0. Send Bitcoin cash to a Bitcoin address. As this format is not supported on Bitcoin Cash, we cannot recover these funds.

From the Whitepaper: Timestamps prove that the data must have existed at the time". Each timestamp includes the previous timestamp in its hash, forming a chain, with each additional timestamp reinforcing the ones before it. Is it the next sentence about "reinforcing" that is key to his meaning? What makes Ripple money transfer significantly cheaper and faster than the traditional bank transfer?

In another word, what kinds of cost of both time and effort that Ripple can cut off compared to bank wire transfer, SWIFT, or other money transfer services? Do I need to have a full node to create an online bitcoin wallet. Do I need to have a full node to create an online bitcoin wallet I am creating an online exchange website. I need to have a reliable bitcoin wallet on my website.

Do I need to have a full node to create an online bitcoin wallet? Can bitcoin be forked in such way that the monetary base increase? Can it be forked into a new coin, such that if i had X bitcoins i will still have X coins in the new crypto-coin, but the monetary base will be 50M coins for example? Can anyone explain this pseudocode to find a returning address?

I was reading a popular answer which explains how to find the address of the person who sent a transaction and the pseudocode in that answer does not make much sense to me. A wallet which created txid can use many inputs from different addresses to send that amount of money. Cryptocurrency wallet. Cryptocurrency wallet For instance : If I have funds in my Litecoin wallet and thransfered that fund to buy another currency. At this point would I have still my Litecoin I started with?

Is the money in the wallet considered to be a prophet from the coins and not include the share of coins I own?! I have google a lot, there exists little information, confused with the code comments Retrieve the range of blocks that may have been only partially written.

If the database is in a consistent state, the result is the empty vector. Otherwise, a two-element vector is returned consisting of the new and the old block hash, in that order. I don't know what's going on here. The problem I'm having is exactly the question. But when I look at the miner in BTC. As a result, no revenue is generated. I currently did a 7 hour session to see the long-term effects, and nothing worked. Could someone tell me what's going on with this? Retrieve Bitcoin wallet details.

December 28, How do you create a raw block for submission using submitblock in python? I would like to create a raw block for submission, first starting with the information in getblocktemplate, creating the coinbase transaction, then submitting the block. Is there a working python example? Ripple problem with synchronizing.

Ripple problem with synchronizing I install rippled and make some changes in config file. But I get error Noob confused on GDAX. I now know to transfer to usd wallet and buy on GDAX. My question is when I hit the btc to eth tab it would not let me conevert to ether on a limit order. Are you not allowed to convert these on here or ami just doing it wrong. I put in the ether amount equivalent to my bitcoin balance.

Thanks in advance!! It says that the address is only compatible with Armory. How do I claim a forked coin when the address is only compatible with Armory, or is there a way to import the key into a different wallet? How do you create the Bitcoin coinbase transaction in python ? There is a lot of old material out there on the web to create the coinbase transaction. How can you do this in python? Why do people go looking for old hardware that has a wallet?

Don't you just need the recovery phrase to get your bitcoins back if your computer is lost or damaged? I don't understand these stories of people trying to find old computers with wallets on them at the dump. Help with the testnet for blockchain. What is necessary to create an Electrum wallet for altcoins?

I realize this is dependent on the technology its built on, but if it for example were a Litecoin-clone, how would one go about to do this in broad strokes? Connecting Genesis Mining to a bitcoin wallet. Connecting Genesis Mining to a bitcoin wallet I am a noob to bitcoin and want to know a few things-: I saw the Genesis Mining pricing here. Now my question is that if I use cloud mining can I transfer that amount to my Bitcoin wallet?

Like CoinBase or Bitcoin core? Can that be done in Genesis Mining? How do I trace a bitcoin transaction to find its location in the world. How do I trace a bitcoin transaction to find its location in the world I need to trace a bitcoin transaction to find out roughly where in the world the wallet is located. If so, roughly how accurate is it? ICO of Ambitious Esports. An early Bitcoin entrepreneur with a history of launching and growing successful companies inside and outside the cryptocurrency space.

Practical difference between mainnet and testnet. Practical difference between mainnet and testnet I managed to write a piece of code that generates a bitcoin address and creates a transaction. I would like to make some tests on the testnet but it seems to lack some documentation.

So far I figured that we use a different version 0xEF rather than 0x80 when creating a WIF key, and that we use a net byte of 0x6F rather than 0x00 when creating a public address from the public key. What other differences are there? The differences I mentioned above are not sufficient to create a valid public address it appears. Maybe the base58 encoding is different?

What about raw transactions? Is it normal? Type of wallet to be used on pool. Type of wallet to be used on pool I'm starting mining just now. Probably I'll go with slushpool. What I'm not sure about is which wallet is best to be used for payments. What I exactly mean is: I have created account on "blockchain. Is all the wallets similar? Is there any safe static wallet that can be used?

Credencys Solutions to Provide Augmented Reality Apps for Lucyd Smartglasses Lucyd is utilizing blockchain technology to develop ergonomic smartglasses. The platform created by Lucyd will make the creation and sharing of augmented reality a thing of the present.

How to change block generation time and make it real-name system? I maybe start with just copy bitcoin source, but I want to revise it. So I want to make another crypto currency that can be used for actual transaction at online game or offline stores. For this, transaction time should be almost instantly. So, block generation time should be shorter like few seconds. How achieve this? What part of source should I revise? And whats the problem of making this short?

System unstable? How to solve that? How to make real-name system instead of anonymity of current most crypto currency? So how to make specific wallet or address is owned by some specific real person? Maybe this needed to be additional programming development? Why do we need SegWit technical explanation. Why do we need SegWit technical explanation After reading a lot of articles, whitepapers and videos I am still confused why do we need SegWit an Lightning instead of just bigger blocks. For a non-involved Bitcoin developer the debate is just crazy and both sides have their pros and cons but there must be technical arguments or not..?

On Tuesday, it came back to 16 thousand dollars. It is understood that the price of bitcoin rose rapidly in the middle of September this year to mid December. But last week, bitcoin had an inflection point. After the 20 thousand dollar pass on De. Cryptocurrency with addresses that cannot collide? I had originally posted the following question here: Is it possible to have a cryptocurrency based on email address? And now I have come across The Large Bitcoin Collider I have read on Bitcoin Stackexchange and other places people writing how improbably it is to collide with an existing address with a balance.

Some even wrote its astronomically improbable. But if you look here you'll see that the LBC in a matter of few months has already found over 15 addresses with balance, of which one contained 0. Clearly this is a big problem. Right now a Bitcoin address with some balance is akin to a cabin in some woods with no door and a small pouch of gold waiting to be discovered. My question is, what is the solution to this going to be? I have a few comments which I'll consider unacceptable.

I am listing them and their reasons. Comment: Even bank acc. Why is the price of bitcoin slumped? Is it worth holding for a long time. Is it worth holding for a long time It is understood that the price of bitcoin rose rapidly in the middle of September this year to mid December. This number exceeds the market value of Goldman Sachs and Morgan Stanley. I've purchased some altcoins, and added these altcoins to my cryptocompare. It seems I have too much bitcoin in my portfolio cryptocompare.

What's so special about six blocks for confirming transactions? I read that when your transaction is part of a block that has five other blocks on top of it, you can feel safe that your transaction is not in danger of being orphaned because someone else would come along and confirm a series of blocks longer than the one of which your transaction belongs.

My question is what's so special about six? It seems like an arbitrary number. Why not five or seven? December 27, Do You Enjoy Crypt0's. Can we trust Aionnext exchange platform? I have a general question, if there is a list of regulatory approved exchange for cryptocurrency brokers? I had bitcoin via Changetip but it closed and I transferred coin to a wallet which I don't remember. I have bitcoin via Changetip but Changetip website closed and I transferred coin to a wallet which I don't remember.

My question is how do I retrieve my bitcoin? Any help is appreciated, thank you in advance. Deposit of bitcoin. Deposit of bitcoin could you tell me why i didnt get all my money from 0,66 BTC i got only 0,26 BTC on my cryptopia account. Adding a catch to the fetch promise chain will catch all exceptions, such as errors originating from node core libraries, network errors and operational errors, which are instances of FetchError.

See the error handling document for more details. It is common to create a helper function to check that the response contains no client 4xx or server 5xx error responses:. If you prefer to cache binary data in full, use buffer. Unlike browsers, you can access raw Set-Cookie headers manually using Headers. This is a node-fetch only API. You may cancel requests with AbortController.

A suggested implementation is abort-controller. See test cases for more examples. Note: when body is a Stream , Content-Length is not set automatically. The agent option allows you to specify networking related options which are out of the scope of Fetch, including and not limited to the following:. See http. Agent for more information. In addition, the agent option accepts a function that returns http s.

This class implements the Body interface. Constructs a new Request object. The constructor is identical to that in the browser. In most cases, directly fetch url, options is simpler than creating a Request object. Constructs a new Response object.

Because Node. Convenience property representing if the request ended normally. Will evaluate to true if the response status was greater than or equal to but smaller than Convenience property representing if the request has been redirected at least once. Will evaluate to true if the internal redirect counter is greater than 0. This class allows manipulating and iterating over a set of HTTP headers. All methods specified in the Fetch Standard are implemented. Construct a new Headers object.

Body is an abstract interface with methods that are applicable to both Request and Response classes. Data are encapsulated in the Body object. A boolean property for if this body has been consumed. Per the specs, a consumed body cannot be used again.