Glossary

A cryptocurrency wallet whose private key is held by — or scoped to — an AI agent, so the agent can sign payments and on-chain actions inside its own tool loop.

A category of financial products built so AI agents — not humans — can open accounts, hold funds, and move money under programmatic spending rules.

An open protocol on Solana that lets HTTP servers charge per request in USDC and lets AI agents pay and verify those requests in under a second.

A server that exposes tools, resources, and prompts to AI agents over the Model Context Protocol (MCP) — Anthropic’s open standard for connecting LLMs to external systems.

A wallet whose private key is controlled solely by its owner; no third party can freeze, seize, or move the funds.

An open HTTP standard that lets a server respond with status 402 “Payment Required” and a machine-readable instruction set so an AI agent can pay and retry the request automatically.