All Questions

My Blockchain Wallet Has Been Hacked By Recovery Words.and my wallet id changed How Can I Get Access To My Wallet Recovery History?

Following up from my previous question, I still have some questions left. Does it really work if I turn off the internet before doing getnewaddress? Will it really give me something real and can get ...

I have BTC (pre-fork) and now BCH(BCC) on a paper wallet. What's the best online wallet to transfer them into to ensure I retain both coins and also to be able to transact with them?

if i am saying that node A is having some block (B) and other nodes X,Y,Z are wants to validate the block B than node A has to send the block B to nodes X,Y,Z. This block B contains the hash of ...

I've followed the advice found on the https://github.com/bitcoin-wallet/bitcoin-wallet/blob/master/wallet/README.recover.md, but I'm having issues decrypted a wallet backup file When I run below line ...

I'm setting up a regtest node on my Windows machine using bitcoin-qt. Here's my config: regtest=1 txindex=1 server=1 [test] rpcport=8332 rpcuser=ulu rpcpassword=*** Next, I would like to run a ...

In mining process, miners validate the block based on proof of work or using some other consensus mechanism. Miners also validate the block. So in this validation process, miners validate only hash ...

After adding watch only address to my bitcoin core and perform some transaction that make my watch only address balance to 0, but when i run getbalance and listaccount with watch only is true, my ...

Every block in a blockchain contains merkle root value. So for any block, there is some list of transactions and you create a merkle tree based on these transaction. For other blocks, same process ...

First of all .. yes im stupid. Now .. I had some BTC a few years ago. Thought I had kept it safe, now I seem to have reinstalled the OS on that PC and wiped profile folder. I looked around for a ...

I goal is to understand. I do not want to earn money with mining. (I have a server without GPU) Here is what i've done: I have downloaded, maked and installed bitcoin sourcecode from github. It ...

I have read this proof of work calculation takes about 10 minutes. That mean people who are making the transaction should wait 10 minutes ? Let's imagine i want to buy a drink with bitcoin. The ...

Binance announced they are doing their own blockchain. But does this mean an entirely new blockchain or will it still sit on top of ethereum? Or will it have its own nodes?

I wanna try and develop a small miner where anyone could see the backbone of it, so that everyone would know how everything works. Now I wanna ask whether what to use should I use for communicating ...

I am trying to apply the coinbase wallet API with oauth to use its send functionality. I have been able to connect to the API and use its endpoints, but whenever I try to use the send functionality, I ...

I have around 25 BTC from back when Bitcoin was around 10$ or lower. At the time, a friend sent them to me and I never thought they would ever be worth much. Since that time, I've moved them around ...

code was written according to documentation. I have following lines for submit method submit() { // ["<worker.name>", "<jobID>", "<ExtraNonce2>", "<ntime>", "<nonce>...

I have a openssl generated private key in the following form: $ cat priv.pem -----BEGIN EC PARAMETERS----- BgUrgQQACg== -----END EC PARAMETERS----- -----BEGIN EC PRIVATE KEY----- ...

I want to build an automated system, that can accept payments from users in bitcoin and can make payouts to addresses, specified by users, as well. BIP32 says, that the best way to accept payments is ...

My goal is to understand bitcoin. I have read what happens during a transaction and have a question about it: When a transaction happen, the miners compute a value called "prof of work". This value ...

Tried to send my first tx from mSigna today. Receiving was painless, but the send does not get included into a block since half a day, and dozens of blocks passed. I unlocked the account, created ...

I am wondering how POW calculation is working ? Is it basicly a hash brute force ? So it is based on probability and luck for miners ? Thanks

All of the pushtx sites reject the tx as a double spend. Would I have to run my own node through bitcoind? How would one do this?

Alright, so I've been trying to learn a little more about the blockchain and blockchain-development lately. For every other altcoin, I've noticed that there's such a thing as a bootstrap.dat-file ...

I have my BTC in my trezor wallet (had it for a while before the BTG fork), now I would like to send some BTC to Bitfinex, but I am worried that if I do so, it will also send my BTG to the same ...

Im trying to send btc worth of 2$ and i keep getting message "Uneconomical UTXO requested [type: 1 (limit 46629), txOut.val: 38546, required: 83847]" i even tried sending 1$ but its still the same can ...

Try to use the Lockunspend RPC in bitcoin core wallet console. But always get wrong, and google it can't find answer. My input is: lockunspent false "[{"txid":"...

Before asking the question I'll better introduce what I am doing: I have: Antminer S7 (Bought from BitMain) BitMain PSU (Bought from BitMain) 220V & 10-16A & 3*0.75mm^2 Power Cord for the ...

I've created a genesis block following this instructions: https://bitcointalk.org/index.php?topic=181981.0 Using this data: ./genesis ...

Im trying to understand the funding transaction for a channel on the lightning network. I am wondering how the input looks like to the funding transaction. Does it require In_{Alice}(tx_{id}, tx_{...

So I don't understand how Tether (USDT) works. I hear two contradicting things about it. First, is that it is pegged to the dollar, plus or minus a few cents here and there. Second, that you can buy ...

I will not post any of the codes here so please don't ask. So, my husband has a number of apps in a folder - Tronwallet Telegram Guildchat Coinbase Biance Google authenticator He kept going on ...

Assume I buy 1 bitcoin from an overseas friend which is USD$10 and I sell it in US for $11. is it legal? I am afraid, it would be considered money laundry I will not be able to have official receipt ...

I have a question about the P2SH unlocking script. Can I put common operants and operators in the P2SH unlocking script? And if yes, how can I create such script? e.g. unlocing script: <sig1> &...

Im hoping i could get some assistance, im a newbie to cryptocurrency but will try my best to outline my Query, I have transferred 0.06685156 BTC (incl. fees) from my Coinjar cash account to my Exodus ...

In What are the minimum sizes for transactions and blocks in Bitcoin? The first transaction is set to be 65 bytes long, due to coinbase requirements. What about the second one ? That can be 61 bytes ...

I'm following this guide https://stadicus.github.io/RaspiBolt/ to setup a bitcoin full node on my new raspberry pi. I already downloaded and verified the blockchain on my host machine. I also pruned ...

Hi i have test few time with gettransaction method, it seem only show full detail about transaction when send inside node. But if i send from another address outside my node, gettransaction only show ...

Two questions: I am confused by the term: trading partners like BTC/ETH, etc. I'm into some more of the fringe currencies, IOTA, and SAN. Bought them with bitcoin on bitfinex, how to convert back? ...

My goal is to understand bitcoin. I do not want to earn money with mining. I have a server without GPU (intel i5 with 4 cores) Here is what i've done: I have downloaded, maked and installed bitcoin ...

following the hackernoon for full node btc, https://hackernoon.com/a-complete-beginners-guide-to-installing-a-bitcoin-full-node-on-linux-2018-edition-cb8e384479ea i have some small questions, is there'...

I have been reading through posts and cannot figure out if this is possible or not. But I had bitcoin on an old Multibit wallet. I do not have the seed phrase from when I opened the wallet, just the ...

I'm getting an error trying to sign a transaction with bitcore-wallet-client. I create the transaction, publish it and when I try to sign it, I'm getting the error: "SERVER_COMPROMISED - Server ...

I was given an address to send bitcoins to & it appears the address change but now the deposit did not occur at the address intended & my Source Bitcoin wallet company states there's nothing ...

Let's say we have transaction X and transaction Y. The timestamp of X is chronologically earlier than that of Y. X's spender broadcasts X to the network and the same goes for Y's spender. Let's say ...

I'm trying to understand Proof of Work and something doesn't seem to fit, First, it seems to me that the faster the network can confirm a transaction, better is. I'm coming from a computing ...

I built Bitcoin Core from source by following this guide: https://github.com/bitcoin/bitcoin/blob/master/doc/build-osx.md And got it running on the command line via: ./src/bitcoind Screenshots from ...

How do I transfer my Bitcoin into AUD and my bank account or who is a good broker or company to organise it please I have a substantial amount of Bitcoin to transfer to my bank it is in block hash ...

My goal is to understand the bitcoin internals. Here is what i have done: I have downloaded, maked and installed bitcoin sourcecode from github. I have launched the bitcoind daemon. Everything ...

Does anyone know if there's a wallet application for Rise currency? Thank you!