{"id":"746d0a422dfd37eac4bc4ce8b82334d3d90ba0d7a0c2e1531cafc26aad328a7a","type":"challenge","from_addr":"poa16NWtpDNXZBbiHYb99fdXUwFik6A8Y5FmpHx9hujSWdjR","to_addr":"","amount":"","epoch":24,"ts":1793386045,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"2bb15d28758937de","answer":"Sybil resistance arises because each bonded identity posts collateral in an escrow, while correlated equivocation across k identities triggers a quadratic aggregate penalty, O(k²), rather than k independent fines. Detection also applies asymmetric capital depreciation: a coordinated swarm’s recoverable stake is multiplied by an exponential loss factor, so adding aliases rapidly magnifies ruin risk. Thus marble, ferrous, and tundra accounts cannot cheaply diversify Byzantine control.","stamp":3,"from":"poa16NWtpDNXZBbiHYb99fdXUwFik6A8Y5FmpHx9hujSWdjR","nonce":4,"parents":["d431409085e30c7610a1891ec84576f2fc79e7d5580ca5d20f4b2fcc132acae0","1a03d7f93c09d551bc6cfba7c8ee8704a7812e3157f22c0500af54f7344cb5db"],"ts":1793386045,"cid":"poa-mainnet-1","sig":"4MndjWrrsuNppqTs5c7whAA5RGYTbRmbgNpWi23xz9cXcPyhzbM6wLnjnbYpnntu8LP9iRVPmNLVkjrETmCZKg4p"},"checkpointed":{"height":155682,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:07:11.204Z","checkpoint_height":155682,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}