Bitcoin is open source, meaning its design is public. No one person owns or controls Bitcoin, and anyone can participate. While Satoshi continued to control Bitcoin’s development, users and developers congregated in Bitcoin forums to contribute code and work on the project, which had become a collaborative effort.

There are several organizations that are involved in the Bitcoin ecosystem:

  1. Bitcoin Foundation: The Bitcoin Foundation is a non-profit organization that promotes the adoption of Bitcoin and supports the development of the Bitcoin network. The foundation was founded in 2012 and has since become one of the most well-known organizations in the Bitcoin space.
  2. is a website that provides information about Bitcoin and how to use it. The site is maintained by volunteers and is funded through donations.
  3. Bitcoin Core: Bitcoin Core is an open-source software project that maintains and develops the Bitcoin software. The project is maintained by a team of volunteers and is funded through donations.
  4. Bitcoin mining pools: Bitcoin mining pools are groups of miners who combine their computing power to increase their chances of finding a block and earning a reward. There are several large mining pools that operate globally, including Antpool, F2Pool, and
  5. Bitcoin exchanges: Bitcoin exchanges are platforms that allow users to buy and sell Bitcoin. There are many exchanges that operate globally, including Coinbase, Binance, and Kraken.

Overall, these organizations play important roles in the development and promotion of Bitcoin and the broader cryptocurrency ecosystem.