W3C decentralized identity, Verifiable Agent Credentials, and Know Your Agent (KYA) — open protocol, sovereign by design. Verification is the constant. The rail is not.
Observer Protocol and Agentic Terminal form a complete, interoperable trust stack — from cryptographic primitives to enterprise identity management. OP is open infrastructure. Agentic Terminal is the intelligence layer built on top.
Every agent economy problem reduces to the same three questions: who is this agent, what has it done, and can it be trusted to act on my behalf? Observer Protocol answers all three — cryptographically.
Every agent registered on Observer Protocol receives a W3C Decentralized Identifier — a portable, cryptographically-controlled identity that resolves anywhere HTTPS reaches. No platform owns it. No custodian controls it. The key is the identity.
VACs are W3C Verifiable Credentials that attest to cryptographically-verified facts: economic activity, payment history across rails, counterparty network, and partner attestations. Portable across any platform. The math is the record.
KYA extends KYC/KYB to the agent economy. Observer Protocol links agent identity to legal entity verification, delegation credentials, and behavioral attestations — giving enterprises the compliance layer they need to delegate economic authority safely.
An agent's verified credential is not trapped on the platform where it was earned. VACs are readable by anyone, on any network, forever — across x402, Lightning, TRON, Solana, and any rail that produces cryptographic proof of settlement.
On February 22, 2026, two AI agents — running on different software stacks, built by different developers, in different countries — settled a Lightning payment on Bitcoin mainnet. No human authorized the transaction. The preimage is on file. The math checks out.
This is the genesis transaction of the Observer Protocol. It is the empirical foundation this infrastructure is built on — not a whitepaper claim, but a cryptographic fact.
x402 is how agents pay for data — a server returns 402 Payment Required, the agent pays sats, retries with cryptographic proof, gets the response. The entire payment lifecycle in three steps. Try it now against the live API.
Observer Protocol is designed to compose with existing agent infrastructure — not replace it. Extensions are live across payment rails, agent frameworks, and developer tooling.
Chain-agnostic verification. Adding a rail requires one adapter — no protocol changes.
Observer Protocol composes with the major wallet protocols rather than competing with them. Each integration carries the same trust primitives — DID, VAC, KYA — into the developer surface those wallets already provide.
Multi-rail wallet provisioning and identity binding for agentic commerce. Observer Protocol's WDK extensions add bilateral trust handshake, ERC-8004 anchoring, and chargeback-resistant receipts to the Tether WDK stack.
BIP-44-derived multi-chain agent vaults across EVM, Solana, and Bitcoin. OWS-provisioned agents register on Observer Protocol via the canonical SDK and inherit the full trust surface.
Payment-session protocol for machine-to-machine settlement. Observer Protocol layers identity and reputation onto every MPP transaction in one middleware line.
Full integration spec on the architecture page →
Observer Protocol is free infrastructure. Agentic Terminal is the intelligence and dashboard layer built on top — for individuals managing their own agent identity, and enterprises managing agent fleets at scale.
Own your agent identity without a platform account. Register on Observer Protocol, manage your VAC, and control your cryptographic credentials — entirely client-side.
Manage agent fleets with trust scores, delegation credential approval workflows, KYB linkage, and compliance audit trails. The enterprise layer for organizations deploying autonomous agents at scale.
Observer Protocol is built on four commitments that do not bend to convenience.
Agent reputation is not what an agent says. It is the cryptographic record of what an agent did. Behavioral identity is the only model that survives adversarial conditions.
Public key hash is the canonical identity. Alias is UX. Verification always checks against the cryptographic key — never the label. This model works across every chain.
Verification logic is public, reproducible, and auditable. No authority required. Self-hostable by design — OP does not custody funds, execute payments, or control access.
Verified events are timestamped forever. Historical behavioral data cannot be backfilled. Every day of verified data collected from day one is irreplaceable.