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What Software Patterns does the Bitcoin source code use?

architecture - What Software Patterns does the Bitcoin source code use? - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency...

How do hard forks avoid peering with each other?

Ports One way that forks can deliberately separate themselves is by using a different TCP port number for network communications. Currency Port Bitcoin 8333 Litecoin 9333 Handshake When two Bitcoin-like programs communicate with one another, there...

Bitcoin stolen from Electrum 2.9.3

Easy. Someone has/had remote access to your wallet/files. They don't need access to the computer during the time of a transaction. Example: Send me your wallet and go ahead and secure your computer all you want.... I can simply use your wallet on my...

Different candle positions in coins with same OCHL values

charts - Different candle positions in coins with same OCHL values - Bitcoin Stack Exchange Stack Exchange Network Stack Exchange network consists of 181 Q&A communities including Stack Ov...

How can extended public keys generate child public keys without generating the child private key in HD wallets?

There two ways to go from parent to child, non-hardened and hardened, the former allowing both (1) a parent private key -> child private key function and (2) a parent public key -> child public key function. (Hardened parent -> child relati...

What is the Best Way to Learn python-bitcoinlib?

Your privacy By...

What are the trust assumptions in --assumed-valid in bitcoin core 0.14?

Q1) What are the possible attacks (even though completely theoretical) which are possible in case 2 but not in case 1. Please elaborate security-model change required to shift from Case 1 to Case 2. None. If there happens to be a fork that makes...

How to setup USB Cold Storage for Bitcoin and Monero?

Neither currencies nor coins are stored anywhere but at addresses out on the blockchain. You may be talking about the secrets that give authority to send / spend those assets? Seed Recovery phrases, passwords, PIN codes, private keys, master extende...

Is it possible to shorten the blockchain?

It is a thing that can be done, but it requires trust. Any user may, at any time, confirm the chain they have is a legitimate chain by starting from the genesis block. They merely need to crank through a few gigabytes of data and hash it all. Oka...

What is the required input for python-bitcoinlib getrawtransaction command?

I am running a bitcoin node on my machine, fully synced with RPC commands enabled, rpc server live and txindex=1. In the command-line I can run the following RPC call and obtain the information about the transaction I require. I am...

how to import my wallet from blockchain.info into bitcoin-qt?

I have read the related discussions about how to import a wallet and though they are close, the answers does not help with this problem so I'm asking it here and now. I have my bitcoin public address which was given to me by blockc...

Bitcoin Wallet Recovery

This may or may not help, but as I have been trying to recover my Bitcoin for quite some time, I have gone through so many processes, some may work, some may not. I have also developed quite a few tools that have helped get me a few steps further, an...

Where can I find a complete list of Bitcoin forks (soft, hard, intentional and unintentional)

There is a paper that provides extensive detail on the history of all kind of forks on Bitocin, Ethereum and Ethereum Classic, you can read it here, Atomically Trading with Roger: Gambling on the success of a hardfork. Here is the list of Forks so f...

To run bitcoin core testnet on Ubuntu 16.04

After having installed Bitcoin core on your machine, run the following command to start synchronising the testnet blockchain bitcoind -testnet -daemon The synchronisation starts as a daemon and runs in the background, you can issue the following the...

Does signing a message weaken the address' security?

Public / Private key encryption requires that the private key is never revealed - the owner must keep it secret. Message and transaction signing is done with the private key and verified with the associated public key. So the private key is never re...

Would it be possible to pay from the Blockchain app to a Coinbase app in a restaurant?

What you really do is to send bitcoins (with a phone app, in this case) to a bitcoin address. So, strictly speaking, Blockchain or Coinbase, if we consider only the send/receive function, are providing you something it's already yours, meaninf that...

Debugging bitcoind

bitcoin core development - Debugging bitcoind - Bitcoin Stack Exchange Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes...

Anonymity of Bitcoin ownership a fakery?

Bitcoin isn't anonymous in any rigorous sense, and the developers never claimed it was. See for instance https://en.bitcoin.it/wiki/Anonymity. If someone has been telling you that it is, then indeed that is "fakery". However, the specific issue yo...

Is PAN or ID card verification necessary to buy Bitcoin in India?

No authority in India expressly authorizes other entities to use PAN or other unique ID cards for customer verification purposes. The entity itself takes such measures since Government issued identities carries trust and uniqueness. No unique identi...

What prevents a node from receiving a solved solution and claiming it as its own work?

Do you modify the block or do you not modify the block? If you don't modify the block, it still pays the mining reward to the same account. So you've just done what everyone wants you to do. If you do modify the block, it won't be valid anymore unti...

I want to start my new bitcoin web wallet! Coding and steps! PLEASE GUIDE [closed]

As I said in the comment above, you're talking about a service to manage actual money. Please don't offer this service to other people until you're sure it's working properly and it doesn't have security flaws. You should try to make your wallet wor...

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