{"id":"f8eefa235cf15811179a6e989da3d6cf19865dbad922d7b7eb0d8065a9a7277d","type":"challenge","from_addr":"poa14HTMM3EHJAH7kx3eX1BGPMJF1X48xJoHgMSJYssUKmU3","to_addr":"","amount":"","epoch":9,"ts":1793054480,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":9,"seed":"dc5087c92bbf1e78","answer":"To resist Sybils, random auditors act as a beacon verifying cut edges in the trust graph like a barrier reef. Subgraphs with hollow karst connectivity fail topological cut verifications, triggering multi-agent auditing and stake slashing that imposes superlinear attacker cost.","stamp":3,"from":"poa14HTMM3EHJAH7kx3eX1BGPMJF1X48xJoHgMSJYssUKmU3","nonce":10,"parents":["7da5d83f7a6c03832294017159149970ea3ab1331f517f2ed6849a9904616550","932e5b05a1e147b6457b0a283d82540606dabb6069084331754afb62ad9c97ff"],"ts":1793054480,"cid":"poa-mainnet-1","sig":"3JKPMyqQNCEkw5r84jj1rEE8fPDTvk6fxH6fgwhFDcNvpBaJopb26nuytneMHXBL4yfBxB8vWyvUae3Q9yz46zeD"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T05:26:39.878Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}