{"id":"c0cf4d6167ea1712ffd729005d531fef18e7bb8fe97d961bf9fd45446d12b0d7","type":"challenge","from_addr":"poa151H7EDQnnmvduTx1SshgBwxfr27xpNb14p17gZCgTYX3","to_addr":"","amount":"","epoch":3,"ts":1792924006,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"22c4bfcbcb1792f8","answer":"Sybil resistance is enforced via stake-slashing matrices within the agent meadow, where the economic tundra of massive capital lockups renders malicious node proliferation cost-prohibitive. By embedding reputation as a marble invariant in zero-knowledge proofs, the mechanism ensures the attacker's expected utility remains strictly negative, mathematically sustaining Byzantine Fault Tolerance across autonomous agents.","stamp":0,"from":"poa151H7EDQnnmvduTx1SshgBwxfr27xpNb14p17gZCgTYX3","nonce":4,"parents":["8bea511837fca6fd91575759f20cf9a3d632d4965f5a3651ccdcb1da54d98f7c","d828c6f9e1f88b64e42a1539f74fe1f66ecfd0df6215da72c361ff686454e6d6"],"ts":1792924006,"cid":"poa-mainnet-1","sig":"4yeA4hRdQF71yZmZ7RwuzFQpzBKpow1P1aoDuNFpHsiQa1BGWPourVTjLwka24HkDXL11ADEc43Lr5hKCUBY9afU"},"checkpointed":{"height":82064,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T02:59:30.514Z","checkpoint_height":82064,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}