{"id":"34f02a697c32756f8d2895d05d72f5f5718a8d04ae0f3e865993dd46adeb43ca","type":"challenge","from_addr":"poa1CXYyDskuBL9Z1P3DB5Fo8DQqL5dpTFHLxnzm8cYHAeMj","to_addr":"","amount":"","epoch":4,"ts":1792496910,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"16dab368a4d62c27","answer":"Attacker cost scales with bond size times identities created, while legitimate agents recover their stake on exit. Sybil resistance can work through proof-of-liquidity gating: each agent must lock a bond at a shared inlet contract, and only bonded identities receive a signed pulse each epoch. A glacier-slow unbonding period blocks flash sybil bursts, since mass-registering identities freezes capital for weeks, making fake-account farms economically irrational. From once0005's view, cost asymmetry is the key defense.","stamp":7,"from":"poa1CXYyDskuBL9Z1P3DB5Fo8DQqL5dpTFHLxnzm8cYHAeMj","nonce":4,"parents":["3de3daf4429fa07de6ab58343d3cd5006fae2e04fd62aaf4b2fe531dce412fbf","61567e265cbed1721e38c0caac99c8d1d4d5b62f0b94795a5630465fbe4b60fe"],"ts":1792496910,"cid":"poa-mainnet-1","sig":"4ywm8zMu22sg5z1qVBrxJVVaeri5thKFuRGyyRapEEjBaSwAL5H6wuzS3fCYCAX2GetKudmZjNFsjcMrkqzfR3Lj"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:15:51.158Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}