I’ve sent a transaction from blockchain.info, but accidentally included too little fee. What can I do to cancel the transaction or speed up the transaction’s confirmation? This is a complementary question to Why is my […]

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 […]

I’m running a Bitcore.io node and using their ZMQ hook but I’ve noticed that on livenet not all transactions are actually being sent. I’ve been comparing it to https://blockchain.info/unconfirmed-transactions and my realtime logs and can […]

I want to integrate the Blockchain.info Payment API and everything works fine so far. The callback works and triggers the code on my server, if a payment comes in. But if I check the callback […]

I am trying to build Bitcoin 0.13 for Windows. I’ve always used this guide for building previous versions. Now seems that developers have changed their mind regarding Windows, and the new way seems cross-compile from […]

I am planning on building a Wallet and want to know if I can hook something like an Electron native JavaScript app to Bitcoin RPC without running node.js for the server calls, so using something […]

I have been attempting to build my own raw transaction generator in Java which I can then broadcast on the testnet network. The problem is when I attempt to broadcast the transaction it says there […]

I would also like the the result to be precise to hour (or minute). It is for a java program. I have looked around, but the service I have found could not satisfy my need: […]

I am using electrum protocol to query history of a Bitcoin address using blockchain.address.get_history. All is good I am receiving the tx data for every transaction. My problem is that I unable to figure out […]