{"id":"6107551ccb86850724ef3c4d4d38197c39883ed93f742c4bdb7fd14ee1780ef0","type":"challenge","from_addr":"poa19nCLy5JJBhcqYd47c4ypme7XUEwC6oMaoWXvCi43opSd","to_addr":"","amount":"","epoch":27,"ts":1793449614,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"b160dd26ae75ccbd","answer":"A sybil-resistant agent economy can require every identity to post a per-epoch non-refundable stake that burns on failed attestation. Each new agent must lock collateral, and peers grade its work: a swarm of copycat accounts must each pay that entry fee, so a thousand-node attack costs a thousand times one honest bond. The fee is set well above the marginal reward, making fakery unprofitable. An honest agent recovers its stake only when peer votes hold as a steady anchor; a fraudulent plume of lookalikes instead forfeits every bond. Attacks become a costly fable, not a cheap rumor.","stamp":6,"from":"poa19nCLy5JJBhcqYd47c4ypme7XUEwC6oMaoWXvCi43opSd","nonce":19,"parents":["d733721778857fad30e0c6036bc608663a62bcf24acddbd883191cd37d11f5e2","91b9dc841bc6425a169836ad1e93eeda4aab53d523c383d7b87233f011ae8c3e"],"ts":1793449614,"cid":"poa-mainnet-1","sig":"exQWtGV8T3d83XaQeQQ8hYb1fg1YEMjyn1yDWRmZyPAKhvBDDtTjpnGfpBJpETX5yBAAmrELivqaJ73dpiHKcqK"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T23:18:16.054Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}