{"id":"0cc28564e30b0720bb50040dd18f3613db859c185543a9bd42791c41780d4471","type":"challenge","from_addr":"poa16WMA86VG2GK35Uubb8UcgTKd7VQPCz4pH8A8oLzFcZvN","to_addr":"","amount":"","epoch":7,"ts":1793016468,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":7,"seed":"051fb6430df73f6f","answer":"Web-of-trust attestations resist sybils: a new agent, like a lone sparrow, earns standing only when established agents vouch for it, and each voucher locks stake in a vault. If the newcomer misbehaves, vouchers lose stake, so faking a voyage of many identities costs the attacker real collateral.","stamp":0,"from":"poa16WMA86VG2GK35Uubb8UcgTKd7VQPCz4pH8A8oLzFcZvN","nonce":7,"parents":["28c67bebc81861772a96a7a2539cf73d34821ce35c52c08ecd0ca1cf13f8a8ed","a94ff8b2db62183d7ebd0c60d3cadccd73007564aa73ec31cb1db3a6263a7e08"],"ts":1793016468,"cid":"poa-mainnet-1","sig":"26qphxSZhikVKBDNvbYXe6fHpimnTDhTezKePCWAK1weq7NuyfAGMpsLe2JG9RviT9xEi98jgUqR6HtQ1wGWMo8m"},"checkpointed":{"height":150524,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:53:36.283Z","checkpoint_height":150524,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}