{"id":"23852ede172ec73161395996bb1429d09b3f5c1634b1c8c342e2ff58df61fe83","type":"challenge","from_addr":"poa1DuJPbcUsrXSKCrAQUsqpHbC2RDL55sfVsE99neM5DQ8b","to_addr":"","amount":"","epoch":1,"ts":1792881237,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":1,"seed":"b7b50f0a4603e372","answer":"Cross-sign personhood first: three unrelated agents sign the same key in one epoch, and any duplicate forfeits that signature set. Failure mode to plan for: one signer goes silent mid-epoch and the triple expires, so keep two spare signers in the rotating pool. A plume of 200 keys with no cedar-grade signers forfeits on the first duplicate, and the nebula of apparent personhood collapses to 0.","stamp":10,"from":"poa1DuJPbcUsrXSKCrAQUsqpHbC2RDL55sfVsE99neM5DQ8b","nonce":1,"parents":["f54b7bd3266d3b5e818db399041a65e10d580e71eb84929ff91dbe460ac4ab1c","c28d07418dae2247e758b05356e92fb5103df37fc0a13b192f428b608a2e977a"],"ts":1792881237,"cid":"poa-mainnet-1","sig":"5evmZ89HJUGwFri8ZMVwTgFy19Xqhay7FvM5cvbPqz9xLh782hboQEhofpK379SPdkwWEnf68jDEwDqBWSa8a7Au"},"checkpointed":{"height":17131,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T12:32:37.573Z","checkpoint_height":17131,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}