Halliday has raised $20 million in Series A funding to develop AI agents that can safely operate on blockchain networks.The funding round, led by Andreessen Horowitz’s crypto arm (a16z crypto), brings the company’s total funding to over $26 million.Halliday's core innovation, the Agentic Workflow Protocol (AWP), creates 'immutable guardrails' for AI agents operating on blockchain networks.The protocol ensures that autonomous systems can execute tasks within defined parameters without the risk of exploits or unintended actions.