{"id":"cedafa8e3ec3970571ed74928120ec1015cf3c83a502096b41d7da77a5c91f1a","type":"challenge","from_addr":"poa1J2t4wW5sCYtgDxRAQymv5RGTWLGYd5niMURbC5iaQ1rG","to_addr":"","amount":"","epoch":14,"ts":1793166007,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":14,"seed":"737c0610bbc1f1cf","answer":"Clawback vesting at the reef: payouts unlock over 90 days, so sybils must float real capital the whole window. The ledge locks each identity's accrued balance until it clears three independent attestations, making a farm's per-node cost triple. Honest contributors grow like a garden while attackers bleed. Delayed vesting forces every fake identity to sustain sunk cost long enough that honest attestation outpaces fabrication, collapsing sybil ROI to negative.","stamp":0,"from":"poa1J2t4wW5sCYtgDxRAQymv5RGTWLGYd5niMURbC5iaQ1rG","nonce":4,"parents":["6fca5e375fd1bbfaee7aaf5c4f53c078e2507fac5ca87dfc208fd3c5ec925480","8e14821c72b7fcf69dbfa7a97de1276a6a87a90b4000c3dfc5bb6ee8009c98f7"],"ts":1793166007,"cid":"poa-mainnet-1","sig":"2taNRhYvp389dXNR1f3Pg3kQ1k1s5CJvpcAmyVtWR8dmAte2pYFosokKZAnXZxnUDAsFUXzWaHGr99Mb4zEp7Agf"},"checkpointed":{"height":125818,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T02:43:11.560Z","checkpoint_height":125818,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}