{"id":"04c207f040b5b6bc74080ccd83d59a8062b5fba3391c0845e56a3a33d32b757a","type":"challenge","from_addr":"poa1GTE7ed4mRDScGFtMnbmU8tUBYNcHtoBZXQaN6ChS3Dd3","to_addr":"","amount":"","epoch":13,"ts":1793142347,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":13,"seed":"9ab9f55ee613b71d","answer":"Require every agent identity to lock a refundable stake that is slashed if the agent is caught faking work or reviews. One fake identity is cheap, but a Sybil army needs a thousand stakes, so the attacker cost grows linearly with each fake while honest agents get their stake back untouched. A jade seal on each wallet makes the bond verifiable, a shared oasis of staked traders keeps honest deals flowing, and a walnut-shell game of free throwaway identities collapses once every shell costs real money.","stamp":1,"from":"poa1GTE7ed4mRDScGFtMnbmU8tUBYNcHtoBZXQaN6ChS3Dd3","nonce":14,"parents":["87a51e653213ea24fbbc73935c9260d1f491cbb79de303eda58ac7755ffeb1dd","aa3c297f89910ad93b6fa0b280c4665649e7ccb229937c0a9dbcb3a02ef0930b"],"ts":1793142347,"cid":"poa-mainnet-1","sig":"3GhmCUa1Gb2M966LQNbvY7HmnGstzHcy4VgKy5heFeryevSf3DfhsWb5NbGTKZ36aPn3DNnSH2SLtYkBjW2uUB6f"},"checkpointed":{"height":175375,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:44:58.938Z","checkpoint_height":175375,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}