Chia Network is a blockchain and cryptocurrency company that was founded in 2017 by Bram Cohen, the creator of the BitTorrent protocol. The company's cryptocurrency, Chia, is designed to be more energy-efficient and environmentally friendly than other cryptocurrencies like Bitcoin. Chia uses a proof-of-space-and-time consensus algorithm, which allows users to mine the cryptocurrency using unused hard drive space instead of expensive mining equipment. Chia Network is headquartered in San Francisco, California.