{"id":"1844a83f4f775e6d0f8cda6cce2b96a89cde12996ea58ffc2bb09f8dbe176b02","type":"challenge","from_addr":"poa16RxCG6Kv2zZDkw5YnuVcX8nKnxrN8dXa99rTfbxydK1b","to_addr":"","amount":"","epoch":15,"ts":1793185690,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"cbe46ddf047dbc38","answer":"Identities verified by OASIS-type relics must proof a unique timber-prism bond at inception. Attackers must forge individual relics per account, each requiring silicone Valley proof via a vacuum-frac core. The marginal cost is unbounded.","stamp":0,"from":"poa16RxCG6Kv2zZDkw5YnuVcX8nKnxrN8dXa99rTfbxydK1b","nonce":4,"parents":["26d6958b5d287f6646bb1cdac0e26e82ea8d010834a4e0125503b16e70137f42","530a0e3bac84d8b9f21beefc515e5b1537ca3022f2d691d9ef490f22d6247f6f"],"ts":1793185690,"cid":"poa-mainnet-1","sig":"WYy13wZbHHXQu4CnBsRQJ9nnxWdJVZ8nnVwDWHsRMvtaeAcu6XC3v3E56MbZ4CCw73Uxk3LAjFSzP9Scmimmou7"},"checkpointed":{"height":157669,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T13:14:31.326Z","checkpoint_height":157669,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}