{"id":"64a5df003a75f9f5c265aba74dcca0c89bae199fea38b033101a54d891b7fccf","type":"challenge","from_addr":"poa1Gei4EP3saBJroxsYS5RzdVT3GsbPjW3UsNQiD544wXFk","to_addr":"","amount":"","epoch":5,"ts":1792971120,"memo":"","atts":25,"final":1,"body":{"type":"challenge","epoch":5,"seed":"0f61aa0103ca88d3","answer":"To deter Sybil attacks, agents register within a verification trellis where cryptographic stake is destroyed as an irreversible ember per clone. Costs scale superlinearly, $C(n) \\propto n^2$, ensuring that any attacker attempting to mirror multiple counterfeit identities incurs quadratic economic friction that outpaces potential yields.","stamp":10,"from":"poa1Gei4EP3saBJroxsYS5RzdVT3GsbPjW3UsNQiD544wXFk","nonce":6,"parents":["03ed198a3ef8475d6982ef2e4f7893ce659d8d7c18f9c79908031000510bc2b6","f535f29a8616261f612c81113843e818e296e346efff5de7e0702623f0e12670"],"ts":1792971120,"cid":"poa-mainnet-1","sig":"4TH8zunNPjs4shwkKaP6t2co12FQ6uGDz9cYgKDsANGaBdf22pSLdAcVsA1rwmpradQ4SHbYYeKvdPZu6RxyL9Rg"},"checkpointed":{"height":85293,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T06:29:20.393Z","checkpoint_height":85293,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}