The Importance of Bitcoin Upgrades and Layer Two Applications — CoinDesk

Crucial to the advancement of bitcoin are the Bitcoin Core Developers. This is an international team of developers, often called “maintainers,” that is constantly monitoring, improving and working on bitcoin and its blockchain. This group, due to its decentralized nature, is funded by companies, such as Square, Coinbase, Gemini and others, and the community to maintain Bitcoin’s open-source and secure network.