BlockFills

BlockFills is a financial technology and cryptocurrency trading solutions firm headquartered in Chicago, with additional offices in London, Dubai, São Paulo, and the Cayman Islands. The company provides institutional-grade trading infrastructure to participants in the cryptocurrency markets and explicitly does not serve retail investors.

Its core offerings include an electronic trading venue with API connectivity, the Vision Trader platform and Vision Core order management system, over-the-counter trading in spot, options, forwards, and structured notes, as well as Liquidity-as-a-Service, lending and borrowing facilities, prime brokerage services, and crypto-fiat on/off ramp solutions. The company serves a client base that includes exchanges, hedge funds, asset managers, proprietary trading firms, family offices, brokers, OTC desks, miners, payment processors, lending platforms, and Web3 protocols.

BlockFills integrates with institutional custody providers including Fireblocks, Zodia, and Fordefi for settlement. The firm reports serving more than 1,700 customers across more than 40 connectivity integrations, with a team of approximately 45 staff across its five global offices.