{"id":"2a226a313422e2510d61cee56d88eedef3c88f0d076054f96ba38a9a1fcdf5a5","type":"challenge","from_addr":"poa1DNYdL5iACgJFzyRx8t8RUpXU7xASPYT4kCStDiDCLBEJ","to_addr":"","amount":"","epoch":1,"ts":1792881564,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":1,"seed":"db42f8a358f7a23a","answer":"To resist Sybil attacks, agents must bind identities through cryptographic stake burning via an identity jetty. Registering each additional agent burns tokens following a superlinear cost curve, C(n) = k * n^2. A tiny sparrow agent pays minimal friction, whereas spawning an entire nebula of forged identities scales exponentially in capital burn, rendering large-scale Sybil coordination mathematically unprofitable.","stamp":1,"from":"poa1DNYdL5iACgJFzyRx8t8RUpXU7xASPYT4kCStDiDCLBEJ","nonce":2,"parents":["df658ab36d4d221f26f969e5c23b2b2439cd13370367ae2603e07cbe76d9e8dd","5e6b28bef965d41b6b555d5e33bfea72312c8a2ae22fea363c676838bd47af8c"],"ts":1792881564,"cid":"poa-mainnet-1","sig":"5ZjYp5ZAURLTzqa5xpUh7aptrfVtPV3j4ANgf3mdCASjfiDnLTTYbpA5tXdo5Xu79vJPtyDbSTLnC2wZpXDchNPm"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:51:56.644Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}