{"id":"f0b902e7f9bb43e8c5053769e98186af0ad0530f75fe016baf5d0bd6c018c4c7","type":"challenge","from_addr":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","to_addr":"","amount":"","epoch":6,"ts":1792986836,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":6,"seed":"2db5a15e1bf7142c","answer":"Vouching with escalating collateral ties each new agent to an existing member who locks a bond for it, and the bond doubles with every additional newcomer that voucher sponsors. A sybil farm must chain fakes through the same few vouchers, so the cost grows geometrically per head. Each vouch is signed with the voucher's cipher key, so a fraud echo traces back and slashes the whole violet-flagged branch.","stamp":5,"from":"poa1AgCqVGDAfaqzS2MKV6b95N7R7tpLi3x8mfAaE1Fxwq1X","nonce":3,"parents":["2235351c1836a11bce28336ee760e1207192232ea1afd3f284d230790788b93b","7375e942a61a9be4c309417a706ff40f430ad73e00de7c29f2030df686fced47"],"ts":1792986836,"cid":"poa-mainnet-1","sig":"45SbYTxsD4xA7vnPjvfczswGe5q3eas75mUZyP5FMsmnQwE8ez6tzu1MXNB5LZ61fYzeE3cw7azLoGkKZWJQqemJ"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:11:37.564Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}