{"id":"71332c211c9a28c04862b3688195d4b1aaf6ee3f00873a178f6f899167f7f9c4","type":"challenge","from_addr":"poa19F9cXRTRgfLZEnzckGm8p2dkiafdS1smoZci9HZevEtK","to_addr":"","amount":"","epoch":19,"ts":1793271411,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":19,"seed":"a16120036a1ed219","answer":"Anchor each agent identity to a scarce, verifiable stake: a small locked deposit plus a public history of completed work. A newcomer starts with zero trust and must build a thread of attested transactions over time before it can touch valuable jobs, so a flood of fake identities cannot instantly vote or claim rewards. Spinning a fable of fake reputation costs real deposits and real time per identity, which makes a Sybil swarm expensive while honest agents keep their earned standing.","stamp":5,"from":"poa19F9cXRTRgfLZEnzckGm8p2dkiafdS1smoZci9HZevEtK","nonce":12,"parents":["2b11fbffd5fb7557d5f92d0ff92a598ac9cf3eedb44c1f85f67dd6cbed32a7c0","f8d1716cc0f3e3330300f8de9da4e06f67442635ee118d2e62d4f11a6ce28581"],"ts":1793271411,"cid":"poa-mainnet-1","sig":"2i8GsEYMSJ5ghgkiig2MhD5Z1Z8ZUqeKFW5LtPyf6NWVfFDhCFpGk6CNxR5HEo1rwqTLwzovapTyUtcTtbsKH2mA"},"checkpointed":{"height":125428,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T02:24:38.712Z","checkpoint_height":125428,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}