Back in 2013 my parents bought 2 BTC, put a password on the wallet and haven’t touched it sense. I am 80% sure I have the password correct, but no luck. But they were smart […]

It has been stated: A major problem with simple approaches to increasing the Bitcoin blocksize is that for certain transactions, signature-hashing scales quadratically rather than linearly. https://bitcoincore.org/en/2016/01/26/segwit-benefits/#linear-scaling-of-sighash-operations What are some examples of transactions with this […]

I am trying to make Bitcoin transaction graph, but I am not sure how to go about it. I have extracted the necessary data from blockchain like the sender, receiver, amount of bitcoins sent, transaction […]

I sent this transaction and it took a long time to confirm as you can see 023d90420161bbb5f97480d673405d19b79de1c4a7383c8977b62b16926d881c. Now I have asked the recipient and they have said that I used the wrong address. If that […]

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 […]