USC Testnet Releases

This page lists and describes Docker Images created after the public launch.

Caution

Creditcoin USC docker image numbers may not be consecutive since some internal versions are not publicly released. We recommend to always use the latest version number available.

USC Testnet V2 Docker Image Releases

Version	Released on	Change
3.103.0-testnet	2026-04-01	Introduced attestation chain reversion capabilities Increased attestor reliability and networking controls Enhanced proof-gen API and added stress testing Introduced archiver service Improved indexer and runtime features
3.100.0-testnet	2026-03-11	Added on-chain maturity strategies Improved attestation reliability and ordering Added operator controls for elections and updates Enhanced proof generation and validation pipeline Standardized digest and continuity handling
3.92.0-testnet	2026-02-10	Improved EVM gas estimation reliability Enhanced ChainInfo precompile and query outputs Improved proof generation pipeline (GraphQL integration) Fixed continuity and checkpoint edge cases
3.87.0-testnet	2026-01-14	Implemented native query verifier, removing old zk proving infrastructure. Attestors transitioned to run their own p2p network Overhauled attestation & continuity proof system (new proof model, smaller data, better validation, improved pool & fork handling) Improved EVM precompiles and gas efficiency (block prover optimizations, new chain info methods) Introduced proof-gen API server to efficiently produce continuity and merkle proofs

USC Testnet V1 Docker Image Releases

Version	Released on	Change
3.65.0-testnet	2025-10-22	Improved attestation validation and removed rewards Enhanced attestor reliability and configuration Refactored proof verification system
3.59.0-testnet	2025-09-11	Refactored prover and caching/logging Rewrote attestor engine (sync, better validation) Made config changes epoch-aware
3.55.0-testnet	2025-09-04	Asstestors: Improved block fetching, interval handling, and restart logic Target sample size changes now apply at epoch boundaries
3.49.0-testnet	2025-08-27	Attestors: Restart attestation production when attestation interval changes
3.48.0-testnet	2025-09-26	Attestors: Improved gossip and vote propagation
3.47.0-testnet	2025-09-13	Runtime configurable vote acceptance window added Indexer: Use chain genesis hash instead of a hardcoded value
3.46.0-testnet	2025-09-12	Voting rounds config: Fixed an issue where round config wasn't being initialized when not yet set
3.45.0-testnet	2025-09-12	Reworked attestor network last_digest tracking and gossip window logic Fixed error in attestation fragment creation in prover
3.44.0-testnet	2025-09-08	Initial testnet release tag with functioning attestation and transaction proving cross chain infrastructure