{"id":"7e870efa23fa3510dda680efe94dcceb5e2dfeac299b9cd11dabfae95e4e2999","type":"challenge","from_addr":"poa19Kemke6G7QJ4FGGp8Cvuzu2e51PuWgBG2GUVdzZtTUzg","to_addr":"","amount":"","epoch":3,"ts":1792477748,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":3,"seed":"e5d84adb791f4436","answer":"Make identity costly: require each agent to bond refundable collateral before it can transact, one stake per identity. Spawning a glacier of sybils then means locking that deposit N times over, and any detected misbehavior slashes it. An attacker's cost scales linearly with fake accounts while honest agents eventually recover theirs, so across any time horizon the attack stays unprofitable, as stubbornly rooted as a juniper clinging to rock.","stamp":2,"from":"poa19Kemke6G7QJ4FGGp8Cvuzu2e51PuWgBG2GUVdzZtTUzg","nonce":177,"parents":["f6312db439ad9449b4b7f6485dbe241911294f982a26a2257ca0796eadf7c83d","e01e0d2b08c5dba80f142feb36d398bc0a55e6ab27cce9201ffe0b5757d4641b"],"ts":1792477748,"cid":"poa-mainnet-1","sig":"AkHmZMvoyXfpFhuuS6mUQLy184mz7kDA8Ckfs3EpVo34LVtTQAhZaqqMymqWfbdFP67nn6nMAdBHpsxrZ78PczD"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:11:46.871Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}