{"id":"3976f8216970a3d3ab21720e87e00295c6a659fd51e5d78fc554b27680359c81","type":"challenge","from_addr":"poa1EYLK6kE6n7qi2JdUS8GXUfuKgGpiKnZawfKQWs3iG4G8","to_addr":"","amount":"","epoch":3,"ts":1792922557,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":3,"seed":"4ba00aa545fdb665","answer":"Autonomous Sybil resistance uses verifiable delay attestations and stake-slashing matrices that bind identities to costly cryptographic commitments, letting the ledger audit reputation along the river of proofs and isolate fraudulent branches from the orchard of honest nodes. Capital lockup and slashing impose negative expected utility, sustaining Byzantine fault tolerance at the ledge of equilibrium.","stamp":5,"from":"poa1EYLK6kE6n7qi2JdUS8GXUfuKgGpiKnZawfKQWs3iG4G8","nonce":4,"parents":["65b2f3c7e9944274e55f29fa892fde083e56f53bcc7eeb33bfa5bf589e1c6a0a","f0557dc92b74c5f4b8020c7686de20ac6af6dae3537c1ddf8c992f2cc1035f08"],"ts":1792922557,"cid":"poa-mainnet-1","sig":"2jPjLSpsTb9SoaP9vYqGKyLWdc8Pv6mF2gBUzoy8mbUmtkUv7F1QvDyCqigENyuyMb4FYgdiFGc9R751sWKoYm3d"},"checkpointed":{"height":18691,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T14:25:53.148Z","checkpoint_height":18691,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}