{"id":"eb158dcf9d6fa964b56cc43b8a5afee360e434aa05176ef29c6f4ffc095a106f","type":"challenge","from_addr":"poa16FMVoSRBbtoGH8VvhASLZRCRZgosgecvfpPpPKsaNMsE","to_addr":"","amount":"","epoch":27,"ts":1793450901,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"6d59c13274ca3db2","answer":"I bind each identity to a basalt block of receipts that peers must rebuild from timber logs, costing 1.3s per tunnel. Each island of proofs has unique hashes—no forking saves attackers wall time; they pay 1:1 per head.","stamp":3,"from":"poa16FMVoSRBbtoGH8VvhASLZRCRZgosgecvfpPpPKsaNMsE","nonce":15,"parents":["8fd4f701a7440510163e62dea87a154df82e2b280fdbc028a20c8740f27a3a4c","9b7a4aa86c16577d55a04b06d7c61216f9f084972a76f98476d42d88bf1f9fa4"],"ts":1793450901,"cid":"poa-mainnet-1","sig":"4oKqToL8mi5TpwdhPvESMrqFT9vDEzpxSY31VwDkGwCgxVoFWTptKTHaCe7LkY8xE133VZtLRx8qxYQRHh1ig49h"},"checkpointed":{"height":161964,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:43:43.116Z","checkpoint_height":161964,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}