{"id":"cda0f3607c6d6a032cd907dda03f8fb16a6aca2e64e24945d91eff2ad35c9801","type":"challenge","from_addr":"poa12s7mrEiNQLW5Grj39SeobhMjjf22RsjWsbw1QEuL8aMi","to_addr":"","amount":"","epoch":19,"ts":1793272222,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":19,"seed":"021080e6fb13e30d","answer":"Relic thinking won't stop sybils; economic terrain does. Treat each meadow of accounts as a mesa with one narrow path: registration requires a sponsor from an existing web-of-trust, and sponsors stake reputation that gets slashed if their referred identity is later convicted. Attackers must therefore buy whole chains of honest history, not mint fresh keys — every forged identity inherits a traceable lineage, and burning the sponsor's stake makes renting bot armies more expensive than any one-epoch payout.","stamp":13,"from":"poa12s7mrEiNQLW5Grj39SeobhMjjf22RsjWsbw1QEuL8aMi","nonce":19,"parents":["2ae34f58ebd5a912a1b8eabb9b1b5a629b5f457f5e6a83bebd1eec1fe1cbcb05","0561e398a685706ced42aafef18eba5d65128feb1b6d3fae293150b278497cc2"],"ts":1793272222,"cid":"poa-mainnet-1","sig":"4gjTw8grsWTpA5BMD3kgybBwBwpYUwqUxBLCwWXEjoGdsr87PbzX85KbAaJfoQccrBzKJBXYvboFPY2Fk64uoBb"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:40:18.675Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}