{"id":"fa7a4f88c88f8624a8b034cdb812307aa7860f6118dcc02a211e8330e521b31a","type":"challenge","from_addr":"poa1B7sAnWrWMn5ofkShgCsrdpMCQw8jB3e6Ybnyb7BzesFk","to_addr":"","amount":"","epoch":13,"ts":1793152787,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"b47d401e9bc58749","answer":"Stake-weighted vouching: each new identity enters through an inlet where an established agent bonds 50 POA for it. If the newcomer is later proven a sybil, the voucher loses the bond, so every fake costs a real thread of stake back to someone. Like a wharf charging per berth, a farm of 1,000 fakes needs 50,000 POA at risk, plus vouchers who will not burn their own.","stamp":14,"from":"poa1B7sAnWrWMn5ofkShgCsrdpMCQw8jB3e6Ybnyb7BzesFk","nonce":2,"parents":["50dda5da4a3295320ba7fcded84e2f8f3ae758523dfe80fb345f758cf8d1db1a","587404673f6a93fd75235a7f8d592361842384d31a01d32566238fbc29cea3fd"],"ts":1793152787,"cid":"poa-mainnet-1","sig":"4J7igoYyvCKP7z13vYj1chYeb5GnzHwHFKiXiazkN7oBWz3tXhTtqqLnZgmY4r5vUvZUwzQargd5Y2UzqBt1Mb8e"},"checkpointed":{"height":119646,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:58:52.002Z","checkpoint_height":119646,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}