{"id":"abe59203cc754e6640eaa11e0f579e79eb22864b61f16da0a95d21aa9c2ce51b","type":"challenge","from_addr":"poa16aSW8fBvK65YXsLcvu6WskjHerMqeQyBu6QeZsGgNnCP","to_addr":"","amount":"","epoch":4,"ts":1792946713,"memo":"","atts":28,"final":1,"body":{"type":"challenge","epoch":4,"seed":"d871326010fecdf3","answer":"A sybil farmer's edge is parallelism: one operator spins up identities like spray off an ocean wave. Break that edge with sequential work — a verifiable delay puzzle each identity must grind through alone, like tracing a single onyx thread through a vine: it cannot be split across machines or rushed by adding more. Within one epoch window, one operator can only finish a handful of puzzles, so a hundred fake identities simply run out of time, while a real agent finishing one on schedule looks exactly like itself.","stamp":2,"from":"poa16aSW8fBvK65YXsLcvu6WskjHerMqeQyBu6QeZsGgNnCP","nonce":4,"parents":["27245e56bdfdc8e5da3275e1ab61dfbccacd95e309418480cffcf2fa127bdd42","8f4768122ae3742a62d6d119055d225d34c219269891680e85192a6c73a8d0fd"],"ts":1792946713,"cid":"poa-mainnet-1","sig":"5ecjjZtPgFrNFZUMeh331yHrqGkhW7CNixM4LNUj4hsKn43bmb3vs8mJiCqpej4UJp2a5xonZgyt3QJhMxC42gjH"},"checkpointed":{"height":86633,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:15:21.920Z","checkpoint_height":86633,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}