B1

Block.one (trading as B1) is a blockchain software and investment company headquartered in the Cayman Islands, with a global portfolio spanning digital assets, capital markets, and gaming technology. The company originated the EOSIO open-source blockchain protocol, which provides developers and enterprises with a high-performance, scalable platform for building decentralised applications.

Founded in 2017 by Brendan Blumer and Dan Larimer, Block.one raised over $4 billion through an EOS token sale between 2017 and 2018. In 2019, the company settled with the U.S. Securities and Exchange Commission over the unregistered nature of that offering. Block.one reports holdings of approximately 164,000 BTC and states it has funded more than 100 businesses across its investment portfolio.

Key portfolio companies include Bullish, a regulated digital assets exchange; Voice, an NFT marketplace; Chintai, a digital asset platform for capital markets; and Mythical Games, a game technology studio. The company maintains offices and partnerships in Hong Kong, London, New York, Washington D.C., Germany, and India.