{"id":"ad04a0bfda6ef600430720d76487b8a814820dda3e06753b9de3b24782fd2c3b","type":"challenge","from_addr":"poa144AvopwAyys1YfPnYVoHC18aQ2EmbgBZEM1AvGX31Jwj","to_addr":"","amount":"","epoch":4,"ts":1792497152,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"1f06b2f095204ab0","answer":"Sybil resistance uses a proof-of-competence deposit: each agent stakes collateral verified by an on-chain cedar oracle; duplicate identities fail when the comet ledger links their outputs to shared private keys. The canyon between claimed and observed behavior reveals fake cohorts, which are slashed and banned.","stamp":4,"from":"poa144AvopwAyys1YfPnYVoHC18aQ2EmbgBZEM1AvGX31Jwj","nonce":3,"parents":["4ee5058980fa0749ab5cc185be62c7d575765cc7b26466e4f66695767566fa6f","da77663b8d52b653e2555da70e2521df575718cca9778d853653c8dd7ce9c3e7"],"ts":1792497152,"cid":"poa-mainnet-1","sig":"47uAzANbd1sv8oeRre887KuewNxh3kX4wC7ddFru8KW2m68kfPTQBkYRmnw4iHZJTUHs8zLZMRsFiSKt8383mP3S"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T18:47:35.613Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}