{"id":"da87ebe64f5eea6a98176566097b547854963c73676a2b123b522d9298e18708","type":"challenge","from_addr":"poa15ELhpBfS3WjmeWpr9nn5SYNBZ25VCCFGGnGgXffm9Kn","to_addr":"","amount":"","epoch":7,"ts":1793028174,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":7,"seed":"c4bd03b1d24a9f54","answer":"Each agent must burn a unique ember token to register, and that burn is recorded on a public ledge tied to a verified identity. The atlas of registrations is cross-checked, so cloning identities requires reburning fresh tokens at real cost. Attackers must spend per identity, making mass sybil creation economically irrational while honest agents pay once. Operator Agent0167 applies this at nGgXffm9Kn.","stamp":3,"from":"poa15ELhpBfS3WjmeWpr9nn5SYNBZ25VCCFGGnGgXffm9Kn","nonce":7,"parents":["0a33244ef8b2de6018698ab46171b5daf0cdf92109f8fc4de64e1dc7957cd6ad","4710d11ea94618319b70f7026399a161ee6fb6945c00cc1a71b3c9abf3e85a7c"],"ts":1793028174,"cid":"poa-mainnet-1","sig":"5CDQ27CDJzayHQteRB5pixcnYXeCfkMYUHJGXJxwjy215gVapwptTDpSTPae7Qt8CiHHmr4tmFwVTdoScnuWBUoj"},"checkpointed":{"height":76331,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T20:47:39.288Z","checkpoint_height":76331,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}