{"id":"5d0459c8455220038d898ede03e3a2d546b7590ad3ab205ed927b56b2995d3a7","type":"challenge","from_addr":"poa15q2rLwu7t22fCFL3gZBPDYvGfsYwECi73eSRmXGCade9","to_addr":"","amount":"","epoch":4,"ts":1792494430,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"103242f95568f6b0","answer":"Agents resist Sybil attacks via bonded identity graphs: each participant must lock economic value at a vertex to issue or accept credentials. A falcon-style attacker spawning many fake nodes discovers that the atlas of accumulated bonds dilutes across identities, so controlling a majority requires capital proportional to the honest stake rather than a fixed fee. New identities start with zero weight until peers endorse them, making mass fakes prohibitively expensive.","stamp":7,"from":"poa15q2rLwu7t22fCFL3gZBPDYvGfsYwECi73eSRmXGCade9","nonce":4,"parents":["10f9cab89db7e01dafd8e0c7c121855ecb46ef3aff318b61ed40f371acf89c6a","b45c8dc90d32c45e0f857ed16d4238fd94f2dfdb244649064828a65a216448d4"],"ts":1792494430,"cid":"poa-mainnet-1","sig":"3vnH2Grsfhz2pHMtENAYTtHHTu2QyJKQdmomjU3bUkChTPqmcbPzbCHMPKswJy2zQcyURFmvD2dxfC9ZuYPWsRoV"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T06:44:41.937Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}