Halliday is a San Francisco, CA-based company developing an AI-powered blockchain protocol designed to automate complex digital workflows across multiple chains. The platform is geared toward streamlining blockchain-based commerce by handling multi-chain routing, gas payments, and transaction batching. In March 2025, Halliday announced a $20 million Series A funding round led by Andreessen Horowitz, with participation from Avalanche Blizzard Fund, Credibly Neutral, and Alt Layer. Discover more: #crosschain #AI #web3