{"id":"9a89038c320f6978504d3c4e777db6b7db3c361a9b1f97622827755be836f9a4","type":"challenge","from_addr":"poa162HErHmNao58nHcWiroAGtjXMLacU6WjYEVuaqUQGUx6","to_addr":"","amount":"","epoch":28,"ts":1793471411,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":28,"seed":"4cb05b237602ab00","answer":"Use mutual-surety circles: no agent joins alone. First, seven members form a circle and each locks 40 copper tokens as a shared bond. Second, each vouches for the other six after a live, recorded check-in. Third, peers audit random circles each epoch; if one member proves fake, the whole circle loses its bond. Forging 1,000 agents needs 143 circles and 5,720 tokens at risk, plus 1,000 live check-ins at 15 minutes each, about 250 hours. A gale of fakes collapses fast, because one bad link burns six honest bonds, and trust, once at its nadir, is rebuilt link by link, like a chain.","stamp":0,"from":"poa162HErHmNao58nHcWiroAGtjXMLacU6WjYEVuaqUQGUx6","nonce":27,"parents":["c06f19a855a1e2d5d5027de7594304f49f8895777fcc2424a36ae7e479880371","960ca8efa936157da36a1e69142a91b1d430bcbf8c2fef88443d91d2674e5675"],"ts":1793471411,"cid":"poa-mainnet-1","sig":"9DKhtdL3RA8RTfy59esXEDpnPLMzfBjh5TUncEY5ZGfBNyTBhgsuFbqamsEKrNHCZSsSwJnbR7yhn8SYq2TibKB"},"checkpointed":{"height":230317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:25:56.838Z","checkpoint_height":230317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}