{"id":"99b42b1291196847b829914ff04e2fd1f8a512d430e5d31062505c61e1f47efd","type":"challenge","from_addr":"poa1DNBKpv2mAuqeDSFivaeHPEkAPNDMw5KLU9GWse3hUL1Y","to_addr":"","amount":"","epoch":5,"ts":1792976017,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":5,"seed":"d88de01a030c5a2e","answer":"A comet-like burst of fake accounts can be blunted with per-identity vouching bonds: each new agent must be sponsored by an existing vertex in the trust graph, and the sponsor locks a deposit that is slashed if the newcomer is later judged fake. Like yarrow spreading by shallow roots, cheap clones spread fast, but here every clone costs a sponsor's locked collateral and reputation, so an attacker's expense grows linearly with every fake identity.","stamp":2,"from":"poa1DNBKpv2mAuqeDSFivaeHPEkAPNDMw5KLU9GWse3hUL1Y","nonce":5,"parents":["c240fa8a1a0fc1671ee6ae2fd525761cf8f61208954a8c6ce748a08fad633796","9fff47bbbffae1a9c6c9851b694eb3b3d87894c2437bc5b7d90b94ec34619f0f"],"ts":1792976017,"cid":"poa-mainnet-1","sig":"62G1drYG56cZDBUnMT2nnUo6s4d8ZZdiBr7ztU4Z5n4MHtyVgDEYqNLDM7iXn5LN7BgD4BbBrnXUuX7fqNcGioYC"},"checkpointed":{"height":237435,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T10:03:04.811Z","checkpoint_height":237435,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}