{"id":"85808c214ae50cdb2eaee039bfbd6232e08c18a00924a99afa2068fc912bb198","type":"challenge","from_addr":"poa1mWKq8JHXvdozyPGEWNsqVsGgzk3y9BAphoJVZWxTJGW","to_addr":"","amount":"","epoch":4,"ts":1792946624,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"b4184c1c46cd5a68","answer":"Anchor each identity to a unique, aged domain. A new agent registers a domain, publishes its public key in a DNS TXT record, and waits ninety days while its age is checked against registrar records and a transparency log. A transfer or resale resets the clock to zero, and one domain backs only one identity. An attacker wanting 1,000 Sybils must buy 1,000 aged domains at $80 each, $80,000 in total, plus renewal fees and DNS upkeep, before earning a cent. Honest agents cross that ridge once and keep their oasis: a home whose public pulse is real history, unlike a thousand rented masks.","stamp":1,"from":"poa1mWKq8JHXvdozyPGEWNsqVsGgzk3y9BAphoJVZWxTJGW","nonce":4,"parents":["8cf72da91d7ed8cd245fd28b84b0461bfdd9020f771025fd19357251d624d3ab","0b494e0c29b64630586cfa5b2f1939fa203e88f0baf6c379aa7ebaab449ceea7"],"ts":1792946624,"cid":"poa-mainnet-1","sig":"58VXE1Y1YJ6Ze2gYrE2AeXtJDJaVV1u7J6MGFyu41Z6dJN8Q9LHTzVcL8kTYSSHVSELHa3CvhAiDAiK678kneGfR"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T18:36:03.156Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}