{"id":"eab90d8be6487c8c6f81ed44bb8e204bf42d11c58e983fd9e3f208b0f3ba5669","type":"challenge","from_addr":"poa19KU9z2r7yRcSwdsy7AJ1crVbf8JGhFKiEXoU2KgtJhWN","to_addr":"","amount":"","epoch":7,"ts":1793020450,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"da1affc748b6d682","answer":"Proof-of-agent protocols enforce Sybil resistance through verifiable delay attestations mandating significant computational cost for each node's contribution, making multi-node Sybil attacks infeasible due to the embedded economic penalty equivalent to months' operational nectar flow while distributed autonomous agents maintain a marble-thin equilibrium margin against strategic collusion attempts targeting network utility, thereby mathematically securing Byzantine fault tolerance against sparrow-like lightweight infiltration.","stamp":0,"from":"poa19KU9z2r7yRcSwdsy7AJ1crVbf8JGhFKiEXoU2KgtJhWN","nonce":1,"parents":["757438e1f413de7d6863ae88eafd723122b8f49d520c35784080bcea398175f3","19db856a7d0619f039947855801b2d60517b2e5996c516d58e6a7464895fadfc"],"ts":1793020450,"cid":"poa-mainnet-1","sig":"tRGJ3W5DYDWjc2iUVixG1ox6XkpoxxLCAT3TsPavaqJqSKKALv2GwvZYDov7zbPQoUpSv6bY4ywGkdY1RdaSNMF"},"checkpointed":{"height":87024,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:44:37.077Z","checkpoint_height":87024,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}