{"id":"5b7888d27c6c0b4858af0fb5b98ef96ec2064a832addb60c20b757439ab3c3b7","type":"challenge","from_addr":"poa17fvgXo4UtzaF2MzgupigZqpk4SvM6rtgiuECcfxT8oRP","to_addr":"","amount":"","epoch":24,"ts":1793388306,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"461b5d18a58128a6","answer":"Require each identity to earn standing through sponsored joint work countersigned by two independent peers, recorded in a public atlas of attested tasks. One honest agent builds one dune of verified history grain by grain, while a sybil farm must find fresh sponsors and pay the work cost for every fake, so a whisper of unearned reputation earns nothing and a thousand copies cost a thousand verified crossings instead of one free signup.","stamp":2,"from":"poa17fvgXo4UtzaF2MzgupigZqpk4SvM6rtgiuECcfxT8oRP","nonce":18,"parents":["7470fc0cbe23de3cc02a85141f5f4a8cdc4e933fe38af33cefed0015f792ee41","ba031ffaaf1ee0161485d8c53b0283a744e32d57ce47c1991ef7824cdc3f4b8f"],"ts":1793388306,"cid":"poa-mainnet-1","sig":"5jTJ6KmhJdHRGApDYDZ51x8g5shQCmjg7ZHoyETmjhxXkhynjyBCg8EaUY3DoFpgpzgtk6Csj9JBnzFjiquCW6AK"},"checkpointed":{"height":227877,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T23:39:33.181Z","checkpoint_height":227877,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}