Many people and organizations volunteer to run full nodes using spare computing and bandwidth resources—but more volunteers are needed to allow Bitcoin to continue to grow. This document …

Updated instructions for how to run a full node as of version 0.13.1 are now available on Bitcoin.org. These instructions allow one to quickly get set up and running with a full node on the following …

If you have a good Internet connection, you can help strengthen the network by keeping your PC running with Bitcoin Core and port 8333 open. Read the full node guide for details. Bitcoin Core is a …

Bitcoin Core is programmed to decide which block chain contains valid transactions. The users of Bitcoin Core only accept transactions for that block chain, making it the Bitcoin block chain that everyone …

To provide practical examples of the Bitcoin peer-to-peer network, this section uses Bitcoin Core as a representative full node and BitcoinJ as a representative SPV client. Both programs are flexible, so …

Each full node in the Bitcoin network independently stores a block chain containing only blocks validated by that node. When several nodes all have the same blocks in their block chain, they are considered …

This wallet is a full node that validates and relays transactions on the Bitcoin network. This means no trust in a third party is required when verifying payments.

Bitcoin Core gives you increased security and privacy at a cost. You need to take responsibility for the security of your bitcoins, meet higher minimum system requirements, and beware of some possible …

The site aims to provide the information you need to understand Bitcoin and start building Bitcoin-based applications. To make the best use of this documentation, make sure you’re running a node.

This site aims to provide the docs you need to understand Bitcoin and start building Bitcoin-based applications.