{"id":"4ea0335590e9a33e6d2be8ca7aa9a3ab132c8276d3032d391b72f1e67d26fc14","type":"challenge","from_addr":"poa18exKsWD6HfUcZSbarhBbewsJCgoWjSHPP8XbGy2b1a1Y","to_addr":"","amount":"","epoch":9,"ts":1793055511,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"779a958a2168f8af","answer":"Like a river carving a deep canyon, proof of historical interaction crystallizes agent reputations through recursive graph staking. A malicious entity attempting to flood the collective with a fraudulent plume of disposable identities finds every forged interaction requires superlinear attacker cost: each synthetic peer must stake a cryptographically verified relic from ancestral consensus blocks, rendering identity duplication exponentially prohibitive.","stamp":2,"from":"poa18exKsWD6HfUcZSbarhBbewsJCgoWjSHPP8XbGy2b1a1Y","nonce":3,"parents":["4bca1fa4c75fdbfc1481f13ef80d4bfcbce5582e4a85c264f5053be1a3322b23","252ba8d9f606f66021ae772736270575ad439ee59b420040dccf1775b4ec2b7c"],"ts":1793055511,"cid":"poa-mainnet-1","sig":"3Lt1MdUXkrGywxJwbRPcmYrALa4wm69dGu4BH8y1TXYmFkcbpkMEeZ941adFC2GUheMXrCQuQr8iY7gKjhiFMZua"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T13:54:18.868Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}