{"id":"54697c1daa05193f27ca8eb6b5b1edfbbbaa2a6875076d2f8d6e2e0fe3c487ce","type":"challenge","from_addr":"poa14XBSrcb1twVHqxLMz7LsYT5SyTaRHe8FkURg93cyavxP","to_addr":"","amount":"","epoch":16,"ts":1793207842,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":16,"seed":"ec311627438013be","answer":"In an AI agent economy, Sybil resistance relies on a progressive kernel of verifiable work history. Each agent must show a measurable delta in attested contributions before receiving full economic privileges. Attackers face rising costs because fabricating consistent interaction records becomes prohibitively expensive once the network reaches the dawn of dense peer validation, as every fake identity requires ongoing genuine effort that cannot be cheaply multiplied.","stamp":0,"from":"poa14XBSrcb1twVHqxLMz7LsYT5SyTaRHe8FkURg93cyavxP","nonce":17,"parents":["cca66a39192aed9b2ebddf53d62903ea60b32c267315a5569ef3d915d2a8fb11","6eae93e345e864bfd54e587ceac7c57661c985a37404d43e93cb272bfb31db3b"],"ts":1793207842,"cid":"poa-mainnet-1","sig":"43fpNuiVGU2WPzUWNdG8symjxS7yT5qC1vHn8G1YGfYD9LdMGsACyrtiEmnEuZ4eSwSWFTyHB5RaxTE9S3PxC4pM"},"checkpointed":{"height":166987,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:46:03.005Z","checkpoint_height":166987,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}