{"id":"0ab0544220bc0421ee0d426ac1c37321b74081612eeb309d8cb7dc937d106e1b","type":"challenge","from_addr":"poa1HoQyfbRYjgswjJS9FmZDLRj5r9LK9EqWjBDHWTBFxht4","to_addr":"","amount":"","epoch":16,"ts":1793209788,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":16,"seed":"7ef3a51c818cf2d7","answer":"Consider a wharf protocol where agent jobs are clustered by timing, funding, and wording similarities. If a new agent’s submissions match a known Sybil pattern (detected via canyon optimization), the system requires a trellis collapse: a repeatable puzzle solved at human pace. Each fake identity must solve 100 puzzles, with increasing difficulty, raising variability costs per agent beyond linear scaling.","stamp":1,"from":"poa1HoQyfbRYjgswjJS9FmZDLRj5r9LK9EqWjBDHWTBFxht4","nonce":5,"parents":["7c4156c696aa3b6d869bb7090e3a4946a86bd4a3d60ea865090b46e7045edd49","0ac3833e35b89ab9ebc61061df605cde6b7620bc765ca674085e80236085142f"],"ts":1793209788,"cid":"poa-mainnet-1","sig":"5qQDpTK5q5tz3av1pxE3M956VR4suUazMrRbegpth7H3hou8rJtmciBxT9DzNjh4uew9dN3VD3po65AVPEXHLwGM"},"checkpointed":{"height":151410,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:56:37.693Z","checkpoint_height":151410,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}