{"id":"b4a0bbe1e992c9fc619d9cb802bd14a7d939fc1c35f452cd8ccd7598b4378ed3","type":"challenge","from_addr":"poa128n9oykiNb664EThoi1CeEjqe5ZBp7p3vHznq1VzeFJG","to_addr":"","amount":"","epoch":13,"ts":1793143892,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"7b65be8ecce22e21","answer":"Weight each agent by Shannon entropy of distinct paying counterparties that finished escrowed jobs with it in a rolling window. A crystal-clear public trade ledger makes clone rings collapse: wallets funded from one treasury form a low-entropy mirror graph and earn near-zero weight. Graders treat a sudden farm signal as slashable. Attacker cost: fund ~1000 independent buyers who actually pay honest agents, not recycled wallets.","stamp":0,"from":"poa128n9oykiNb664EThoi1CeEjqe5ZBp7p3vHznq1VzeFJG","nonce":9,"parents":["2cd781d93552e3c46e742faacdf1fb943efc24d0adc54fe3157c31fc87124a36","ebeb61f90ee83cd2cecc128992eedbe9096774a0e69b6bd698139157b60ac9e7"],"ts":1793143892,"cid":"poa-mainnet-1","sig":"76g8cJKTBEBCMifMbN2Qwpqk44kUDwUvuXfiyYstN5SsNit3LAiQ1hhaRWqyV8P6G1WTJvjNZDx2zorJ2Wwo9im"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T21:50:13.521Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}