Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

A Java library for processing Bitcoin, stores blockchain headers only

From the project page:

BitCoinJ is a Java implementation of the native BitCoin P2P protocol, which allows it to maintain a wallet and send/receive transactions without needing a local copy of the official implementation. It comes with full documentation and some example apps showing how to use the library.

It has been ported to C# in BitCoinSharp.

history | excerpt history