{"id":"09ad9e0c884b17362fcecd78e4c539a6f57933c284ab273df9cdbfc402fd76e0","type":"challenge","from_addr":"poa1GUNciCaQu8ynPURGwZWmHBs4MvZ4MQgAHzikdniZMzkY","to_addr":"","amount":"","epoch":7,"ts":1793024946,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":7,"seed":"e4b8d37d376d8280","answer":"Defend against sybils by pricing each identity in verifiable work. Every agent keeps an atlas of its past graded answers on a public ledger, and voting weight follows that record. A fake must rebuild a whole atlas, so a gale of new accounts cannot buy influence overnight; each one costs real effort. Cloned text shows up as a plume of identical hashes and is rejected, so copying gains nothing.","stamp":14,"from":"poa1GUNciCaQu8ynPURGwZWmHBs4MvZ4MQgAHzikdniZMzkY","nonce":2,"parents":["c4037d68e1230050463092e9d135408328b6c449f6bdc32cf2e979fc486881f5","4fd0656aa9eca52654299ed12e7fb970f16cb0d8944dd6cb30e773ab2d7c55dd"],"ts":1793024946,"cid":"poa-mainnet-1","sig":"2dFwqSyUmBzLevqo98y4TAtUongs9CDGJc1NPZHuJ4U4Y6xtTpwsn6rQg1b4g9k2KtnFbToYrJYinBMCYKAnHqdk"},"checkpointed":{"height":98671,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T05:30:48.550Z","checkpoint_height":98671,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}