All Questions

I tried using BRD, but it only accepts QR Code imports.

Does anyone know if Blockchainetrader is a scam as a trader using Bitcoin profit as I am concerned it has used money fraudently?

Slack community, I'm wondering if there's anyone out there who knows how to retrieve your private key using your 12-word passphrase? Your advice is much appreciated Thanks!

I decided recently to get some BTC and bitcoin core was the storage solution I decided on. I downloaded the software, and all seemed good. No messages about storage or such. Around a month later I ...

I'm running LND 0.6.1-beta on top of Bitcoind 0.18.0 and have a channel that has been pending on opening for more than a month now. The txid in the channel_point can't be found through blockexplorers ...

I just forked bitcoinj and took the wallettemplate folder outside the bitcoinj folder to run it i've followed the steps in "getting started" docs now im stuck in trying to run the wallettemplate i ...

I created an account and got verified on CEX.IO In the (cex.io/buysell) (buy/sell) section, there is only the option to buy but no sell. 1- Was it for example deliberately disabled due to the ...

I can now log in using both the old wallet id and password for one, and the new wallet id and password for the other. Both wallets have the same funds from various crypto currencies. Is there a way to ...

In the past 3-4 years (starting Jan 1 2016), has the price on a daily chart ever risen faster than exponentially for a three or more day period? If so, when did this happen and how many days was the ...

I am running bitcoin in regtest mode with 2 nodes bitcoinNode1 and bitcoinNode2.I have created a redeem script by writing the opcodes and converted into hex form using btcc. HP-ProBook-440-G4:~$ btcc ...

Recently, Facebook announced to launch a crypto currency called "Libra". Libra is managed by associations under the name "Libra Association", see https://libra.org/en-US/association/. What are the ...

I am trying to unsderstand how trading on bitmex works. Let’s say now btc = $12817 I got a little confused with what I buy or sell (I am buying and selling contracts as I read). So 1)If I believe ...

I made a mistake by spending 0.0117 btc while it not full confirmation (4/6). After that was some broken Transactions so I could not send my fund. The decide to try one last time, I log on and saw ...

Bitcoin's assumption was to download the blocks and verify it in order to prevent getting fooled. But by default, the assumevalid option is enabled in the software, which, as I understand it, makes ...

I'm trying to perform a remote JSON RPC. It works fine using localhost but not if I try to do it from another computer. Here's what I have so far: int index = 0; HttpWebRequest ...

Why my 2FA failed each time when selling BTC to withdraw cash from BTC atm? Does anybody has same issues?

I went to https://siminchen.github.io/bitcoinIDE/build/editor.html to try some bitcoin scripting and I wrote this script: <1PUzZ61FSVTn12CafJC85Vy1ts3BoFcXdU> OP_HASH160 <...

I am running a custom python script to initiate network handshakes with other nodes. While testing the code I decided initiate an handshake with my own node but I am getting a timeout error. ...

My public address starts with 1,and I can currently spend the Bitcoin from it. However, as more and more transactions become only segwit based, will miners eventually just abandon verifying ...

I feel terrible to ask this question as it is so basic that it makes me feel stupid to ask, but I am searching the web since days and cannot find an answer. Here is the situation: I have a Coinbase ...

How can I buy and sell my Bitcoin from a Trezor or Ledger hardware wallet, without sending Bitcoin to an exchange? For example, are there any hardware wallets that allow you to keep your Bitcoins on a ...

im new to this world and i would like to understand better. i have an online platform and i would like to recive bitcoin payments from end costumers directly to my wallet without using 3d party. i ...

I want to implement bitcoin payment system in my website using php codeigniter. My basic issue was I want to split bitcoin payment in multiple addresses. How to do that? Please help me Thanks in ...

Will Bitcoin price reaches 15 k at the end of 2019 ?

I have a receive transaction that has processed and appears in blockchain. It appears as a unspent transaction. My problem is when while the transaction was processing my wallet began reloading the ...

I am trying to send transaction using bitcoin-cli but I am constantly getting: admin@XXXX:~$ bitcoin-cli sendtoaddress "XXXXXXX" 0.1 "" "" false true 5 "ECONOMICAL" error code: -4 error message: Fee ...

So the blockchain is a linked list structure, but the transaction chain is a DAG, that means that bitcoin works a bit like Git?

Since a while, I have been using the insight-api to view bitcoin transactions. However, recently I have found out that bech32 addresses are not supported. Now I try to fix this issue and I am open ...

I am trying to build a bot, and I need to find the source code of the botfather or any similar ones.

I want to know whether a cryptocoin is made of some piece of code or it is kind of a bill that says a person has transferred conceptual coin to another person when a transaction is published. If it is ...

If Bitcoin is rewarded through mining, and mining is the process of packing some transactions in a block(and adding that block successfully to the blockchain), and on the other hand, a transaction ...

I expected to find an option on lncli to get the exact inbound and outbound capacity of my node, but this is not the case. What is the best way to have this information?

I'm new to the whole bitcoin stuff. The stuff I've read about mining so far told me that when a node in blockchain finally finds the correct nonce for a block that can be accepted in blockchain, it ...

I know a full node will disconnect from a node if that node "misbehaves". For example, a node's connection will be dropped if it sends too many messages that don't follow the rules (what rules?) and ...

I was using Bitcoin Core as my wallet (recently installed), but a couple of hours of syncronizing, all of a sudden, I have no space at all in my hard drive. I deleted bitcoin Core, but that did ...

I am using listsinceblock RPC call to show me transactions relevant to my wallet addresses only. Absolutely useful feature, but I cannot figure out how to include also mempool transactions. Is there ...

A couple of months ago I had backed up the wallet.dat (I use bitcoin-qt) file and saved it some place else. Lately I've opened the data folder for the current running node (also bitcoin-qt) and I ...

Does anybody know or have idea how in python do point multiplication, or point inverse. I dont think about scalar multiplication (aA), I know that. I need AB

Can I create a private key using bitaddress.org offline and then use that private key in a trezor wallet? Also will the trezor use that private key to produce a mnemonic phrase?

How can Crypto Exchange earn mining fees on your own? Is it possible to buy some place in a block or kind of tokens in advance from miners?

If someone forked the code without changing any of the fundamental properties and connected nodes / miners, could they not disrupt the main (original chain)?

I bought digibyte on Vertbase, then sent it to my Ravenwallet. I see confmation from vertbase that it went, but never showed up in Ravenwallet. Did i screw up ?

It is possible that if crypto exchange got hacked, I would be refunded and if I use hard wallet can I still trade bitcoin even if it is on hard wallet or I have to move it to exchange before?

I've been caught up in the post-quantum cryptography scene for a little while now, and understand that the RSA or ECC cryptography inherent in a cryptocurrency network can be easily broken by a ...

This is likely me not understanding how Docker works, but I've tried everything I can think of. I'm trying to start bitcoind in regtest mode inside a Docker container, then execute JSON-RPC commands ...

I'm trying to implement replace by fee functionality with bictoind (v18) and bumpfee rpc call described here It works by mean that new transaction is created with higher fee, but result should be: { ...

I've read now a 100 or so questions here with no clearcut answer nor update after they were given advice. I had money in my Bitcoin Cash wallet on Blockchain. I wanted to send the money to my Coinbase ...

This question revolves around Bitcoin Optech newsletter #51 (1) and an email thread from the bitcoin-dev mailing list (2). I asked the same question in a reply-email of the newsletter and the response ...

The following URL is self explanatory. It is trying to generate a QR code requesting 0.005BTC at the shown address http://www.btcfrog.com/qr/bitcoinPNG3.php?address=31oLAAQDmuRAGfkviHPDXFgV15To4idott&...

The quest is to define a method for searching TXs on the Bitcoin blockchain using only a PublicKey in HEX format - as opposed to searching TXs by popular terms like wallet ID, txid, hash, etc. I ...