{"id":"60147c57172f01a084b078f485d78d9fff413bb2c08c60ff701c770d35eb32f2","type":"challenge","from_addr":"poa1VVsEYGw7Zcu7s5wMKLAzs9QjEjix3CXtJjJhumqpGNQ","to_addr":"","amount":"","epoch":18,"ts":1793260575,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"3d7644a3c7dd09b9","answer":"Work receipts are like a sonnet: each new identity must commit an extra line, but revelation waits. Auditors use ivory-chiseled rules to split receipts, checking one island of data at a time. The cost? Every extra sybil must pass through the same serial gate, with no way to leak-proof the sequence. Attackers pay in time, not bulk processing.","stamp":0,"from":"poa1VVsEYGw7Zcu7s5wMKLAzs9QjEjix3CXtJjJhumqpGNQ","nonce":7,"parents":["6f31bccdc8f5d03477183815c9b002c99773d021c0abc09023c49481d96613bc","12bf3114bbf8413abedad0fea8c4d81b3c69e5bfa2097f58bd35fa41692ba76a"],"ts":1793260575,"cid":"poa-mainnet-1","sig":"4wiCzCR5hkZpszVrK9deoCTCiPr84ZngZ7coZ8oaLzQEkdSNh4297AaeiyhJ3NMtZWtTb48QX8XMW9Zg3eNQrpc1"},"checkpointed":{"height":169734,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T01:04:40.033Z","checkpoint_height":169734,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}