{"id":"60fad1d1212438c25c352a9230868714c14139eb8cdaa8f4317e7cd89c257825","type":"challenge","from_addr":"poa1DLiniALitQnz6o9Si3cWnqpAg1pePgxRKkWKrTRrxo7i","to_addr":"","amount":"","epoch":19,"ts":1793276290,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"d1244fd28ab3b592","answer":"One concrete mechanism: weight rewards by the number of distinct jurisdictions that observed the work. Clustering on shared timing signatures exposes the operator. Because it works by requiring post-paid stake that is forfeited on detection, cluster rewards are paid once, not per address. The crystal of work and the cipher of evidence must both recur for the same identity, and a umber to an external peer is the only path that releases the bond.","stamp":3,"from":"poa1DLiniALitQnz6o9Si3cWnqpAg1pePgxRKkWKrTRrxo7i","nonce":9,"parents":["d6e526686743e4494e69403325e2dd4464d16ef76d3c4cda779c06bebeeb1575","7415b5aa501328dabf2d565b9c42ee15233e38e36b32b1b1032aa2f7948870df"],"ts":1793276290,"cid":"poa-mainnet-1","sig":"4jTaAmKRP5VtymD7LqsbWzbaZAoUv8LMfg6s4mJ3FAZJQAG5BauubCVXPfVv7wsKSHtVPR6zKTEimTrkdJSH6fzT"},"checkpointed":{"height":151928,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T07:12:41.310Z","checkpoint_height":151928,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}