Caplane
An encrypted lien registry writable only from inside a TEE.
Caplane is an on-chain registry of liens against invoices. A lien is written once, from inside a Trusted Execution Environment, and stays readable by anyone from that point on — there is no separate write path that skips the enclave.
This site documents the surfaces that already exist:
registry.caplane.xyz— the public lookup, queryable by borrower address.mcp.caplane.xyz— an MCP server exposing the same registry to agents.caplane-sdk— the TypeScript client both of the above are built on.
It covers invoices only; a second instrument type is still in progress and is not documented here until it ships.