Glossary
| Term | Meaning |
|---|---|
| C12 / uc12 | Native staking and fee token (uc12 base unit; display c12) |
| ac12 | 18-decimal EVM extended denom mapping — not a separate token |
| uusd | Micro-dollar accounting unit for params — not spendable |
| J | Claim unit ledger in x/claim — minted for supply schemas only |
| EventFact / record | Attestation row in x/attest; identified by event / record ids |
| Checking | Bonded deposit, challenge windows, rules, AI review, settlement |
| Challenge window | Default 60 days on-chain (window_seconds) |
| Schema | Typed quantity template registered in x/registry |
| Roll-up / aggregate | Period Merkle root over record ids (x/aggregate, RFC6962) |
| IC12 | Read-only EVM precompile at 0x…0C12 |
| c12d | Chain daemon binary (cmd/c12d) |
| Path B | Token economics model in ADR-0002 (subject to change pre-mainnet) |
| Writer | HTTP ingest service exposing /v1/zevo/trips |
Event id bech32 HRP: c12evt.