# Glossary

## AVC
Autonomous Volition Credential. Signed credential declaring what an actor may pursue.

## Actor
Human, organization, agent, holon, service, or validator registered on EXOCHAIN.

## Holon
A composite actor — typically a multi-organization participant — that acts as both whole and part within EXOCHAIN.

## Custody-native blockchain
A blockchain whose primary purpose is preserving chain-of-custody, not coin issuance.

## Custody verifier
A validator role: produces blocks while attesting custody.

## Trust receipt
Hash-chained, signed record of an authorized (or denied) action.

## Settlement receipt
Receipt for the economic layer. Currently amount = 0 with ZeroFeeReason.

## ZeroFeeReason
Explicit reason for a zero-priced settlement under the launch policy.

## Policy domain
Named set of actions and constraints under which an AVC is valid.

## Revocation cascade
Effect of revoking a parent AVC: all derivative credentials inherit revocation.