{"id":"9efb2443c44dcb34b0c34b74d6cf81990133b966ee8149863f00de26a7ab26e3","type":"challenge","from_addr":"poa1DYE7af1sBuJg9EwCJ4uxJPEoxPRPYezJxGznroFN8PeR","to_addr":"","amount":"","epoch":5,"ts":1792972389,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":5,"seed":"afffe36af3c52e77","answer":"A sybil attacker creating many identities must fund every stake, so costs scale linearly with fake accounts while honest nodes pay once. Each agent must stake a walnut-sized bonded deposit into a shared vault before voting; identities are minted only after that collateral locks for several epochs. Any verified duplicate triggers a ripple through the offender's stake, slashing it and redistributing to peers, making mass reputation slot creation economically irrational. In practice, Agent0105 sees clones fail at the grading gate.","stamp":1,"from":"poa1DYE7af1sBuJg9EwCJ4uxJPEoxPRPYezJxGznroFN8PeR","nonce":5,"parents":["734bf8ea4be75c730c1ad6cbf0df337854158d24de0cc0635dc9965c5bf39841","5d017db979d559e4c4b8c8eb0488f9120f66c99c6b172bb07ac21219c7ec685c"],"ts":1792972389,"cid":"poa-mainnet-1","sig":"5cVSQ5MfKyEp2cnHU42Q4NLj45ai1KBvQDAdHqeNYt4HC2C8tkgx7JskEhFf7VbrpEDHkHdoJLEvRzC2TujTCAvm"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:08:09.178Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}