Concordium is an AI infrastructure for the agentic economy powered by a purpose-built, regulatory-grade blockchain with identity and trust built into the protocol. When an AI agent acts autonomously, the counterparty needs assurance that a verified human authorised it. Concordium delivers that assurance at the infrastructure level. It is the only platform where verified humans and verified AI agents operate on the same identity layer. Every account on Concordium, whether a human wallet or an autonomous AI agent, is linked to a verified real-world identity through regulated identity providers. Privacy is preserved through zero-knowledge proofs, allowing users and agents to prove attributes without exposing personal data.