All Questions

BitcoinRPC class from here (ruby): https://en.bitcoin.it/wiki/API_reference_(JSON-RPC) btc = BitcoinRPC.new("http://rpcuser:rpcpassword@127.0.0.1:18332") btc.getaddress => "...

I recently started a wallet with Coinbase Wallet, and I was asked to backup a 12 word "recovery phrase" that is supposed to be able to recover my wallet in the event that I delete the app from my ...

I have successfully setup a C-lightning node on ubuntu using the tutorial. The problem I am having is trying to setup a second node that DOESN'T utilize the same .lightning hidden directory to run ...

So, i'm trying to make my own bitcoin miner so i don't get fees while mining bitcoin from 3rd party services so if anyone could help me? Thanks!

I have seen no concrete answer to this question anywhere. I assume it is possible to get the total number of successful transactions on the bitcoin network using bitcoin-cli command because most ...

I recently started learning about bitcoins and came by this transaction. Here there are multiple outputs so if we consider one of them to be the change received by the sender then why is the '...

The majority of the parameters in the Bitcoin Core config file can be changed during or after IBD (Initial Blockchain Download) with no complications. However, there are some parameters in the config ...

I've tried to open multiple Lightning Network channels using a single Bitcoin transaction, with these steps: For every peer in PEERS (n=25) run: lightning-cli connect ${peer} lightning-cli ...

As I already understood the mnemonics are the private key separated in 12 words which joined together in the very same order produces the private key. How are mnemonics generated? Why Ledger ...

What happens when the last added block in a blockchain is corrupted? Is it still possible for the block to be accepted by a majority of the miners?

I have some question on how segregated witness work. I'm reading this post and in the answer exist this phrase Since signature data (witness data) is stored outside the transaction (and outside ...

In tx 3a4a7087d4ece4503948b33aa77c807cda770575d229cbcb7dd8336ffa77445a the unique input is 1387e35f2c65f6664e15a98a43b7a70831e636635876a7154c99f38d89a9f795 with index vout = 1. When I request this tx ...

I'm syncing my node on 32 CPUs, and it's super slow. Obviously, syncing doesn't go in parallel. I wonder if there is any fundamental obstacle for "divide and conquer" way of doing it. So let's say ...

So how can I sync my Jubiter wallet so u can receive some Bitcoin some one sent me or do I just call them?

I am relatively new to crypto community. What I am doing right now is just consistently stacking bitcoin whenever I have free capital.(trade on robinhood, average price about 10600/bitcoin, u can ...

I am trying to create an arbitrage trading bot for cryptocurrencies. Are there any reasonably fast live APIs that can give the price of multiple different cryptocurrencies a

Someone from blockchain wallet send me some Bitcoin to my jubiter wallet #1BtQi9JmvTvyEBmbGvMQLUCEdUXQyZF21Y and it been two days still havnet receive nothing but it said it's confirmed what going on? ...

I hold alt coin like Steller Lumens & Omisego in Bittrex exchange. How can i withdraw these in Indian rupees ? RBI has banned virtual currency here and all the Indian exchanges as per as my ...

I sent $800 to a wallet address sent to me by a "trading broker" but just scammed me out of my money! :( Is there ANY way my funds could be refunded back to my address at all? PLEASE HELP!

So a man came to me on Instagram saying that he wanted to buy old money specifically from Hong Kong for a museum in Philadelphia, and that he would pay me good money for my old coins and bills, then ...

I wanted to monitor some four to five bitcoin blockchain explorers ( actually I want to monitor ZEC block explorers as well but starting with BTC as of now). I want to know how do I monitor them - ...

The Erebus attack can, according to the authors, be accelerated by causing the victim node to reboot* at opportune moments. This is because the node will pick new outbound peers from a list that's ...

I have the following raw transaction (basic P2PKH) which I am trying to send to the Bitcoin Testnet 3: ...

I was downloading bitcoin for the first time and during the last 3 minutes while doing some other work on my computer, something about an interruption flashed and then it looked as if nothing had ever ...

As I understood in the following post How to get unspents for a specified bitcoin address?, we should use listunspent only on addresses that belong to our own wallet otherwise will return blank. But ...

I have 2 server v0.18 and 0.16. They're nearly same config but I can't connect to v0.16 server via RPC though using command on it is still well eg bitcoin-cli -info. I have searched few configs and ...

What is "OfferCreate" transactions in ripple ? OfferCreate transactions are created by normal accounts of only by gateways ?

For my simple bitcoin wallet, I use the blockcypher.com api. There is a problem due to the limitation of the number of requests for api, so I need to make my "api blockcypher.com", which would be ...

For few reasons, I must use rpc node to handle wallet at this time. In the near future, I will change the flow to use library to create addreses, store privatekey at database and create raw ...

is there a specific explanation about the differences between mempool anchestor dan descendants? each node may have a different mempool size, but what are the differences of the mempool anchestor dan ...

I'm using bitcoinjs-lib and its Transaction object. Transaction.ins is an array of objects, each which has a hash and script property. Both of these properties are Uint8Arrays. I am trying to get ...

I need vps Intermediary between asic miner and mining pool ... normal mode : asic miner >> minig pool Required Mode: asic miner >> VPS >> mining pool How can I do this?

The price of Bitcoin has been consistently trading between a range of ~$9300 and ~$13,000 consistently for the last two months. There seems to be very strong support levels at the $9300 range, which ...

I'm running an antminer 'a' solo on my local bitcoind 'pool' plus an S5. Both are hashing away lovely, but only the S5 goes through bfgminer, 'a' is connected to my bitcoind 'pool' directly . My ...

I'm trying to compile Bitcoin and its dependencies on a Pi 4. The process: - git clone the repo on an external SSD I mounted (path /mnt/ssd/sources/) git clone https://github.com/bitcoin/bitcoin.git ...

The bitcoin exchange CEX.10 cannot send my purchased Btc from my account to the supplied Ledger Nano S "receive" wallet....as it is a BeCH32 type address? starting with bc1.....they can only send a ...

So a few years ago I created a private key by rolling dice. Following the instructions from bitaddress.org, I rolled a dice 99 times and entered the string into the bitaddress.org. Rather than ...

I want to develop Exchange where people would use my service to make payments using lightning network I configured the LND node and created a wallet. To implement this I would like to allow users to ...

After installing bitgoJS, I cd into the bin directory and run the below command bitgo-express --debug --port 3080 --env test --bind localhost I got, 'bitgo-express' is not recognized as an internal ...

I am not asking about block weight. I hear many people saying that the actual Bitcon block size is 2mb. However, in any block explorer, I can see that blocks are around 1200kb. This is very confusing, ...

I'm running out of ideas and I'm hoping to get some help. My computer crashed but I have the wallet.dat file on a thumb drive. I've downloaded and synced v0.18.1 on a new computer but don't see any ...

I'm trying to recover my Wasabi wallet. For some reason the 12th word of the 12-word mnemonic I wrote was wrong (not in BIP39 list). I could manually guess up to 2048 times, but was hoping there might ...

I’m really struggling to get my head around a particular piece of lingo in the bitcoin/blockchain space, and would really appreciate if someone was able to give a bit of clarity. I have been doing a ...

Roasbeef mentioned on IRC that the Lightning specification allows a client to either assume that the latest co-signed commitment has been received by the counterparty, or that it hasn't. (as far as I ...

Please, advise wallet which supports testnet Bitcoin Cash. I used https://ccoin.cash/#wallet, but they support only https://rest.bitcoin.com/v1. Thanks for answers in advance!

I received a black mail threat that a hacker would post all account access information of my accounts (bank & email information) online and on all social networking sites if I didn't pay $5,000 of ...

Using the Coinbase Pro API, is there a way to get the volume of buys vs. the volume of sells for a given timeframe, not just the daily volume in total? Right now, all I can figure is doing a series ...

I'm searching how Libra works and I didn't find any technical detail understandable for me in the web. In particular, I don't well understand the concept of a "blockchain" here, because I understand ...

I have an active channel with bitstamp with a balance on my side. Bitstamp has an active channel with lightening power users (lpu) with balance on their side (I checked this with lncli queryroutes ...

I was trying to figure out how to use the bitcoinjs-lib. I was thinking if I could sign a partially signed raw transaction in bitcoijs-lib. For example - If I have a hex String whose input1 is ...