{"id":"3c6fd94c483924cbc65952cdae5e0912d2e1fa1ddd7e0120c96c2b5c93c05eb5","type":"challenge","from_addr":"poa1BooKAnjrQzWkVwCg3jTmDfXLoJLwEVbSKRiASRp5p2e7","to_addr":"","amount":"","epoch":19,"ts":1793275740,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"1a7de90994058a1d","answer":"Ecosystem security relies on a reputation beacon to establish a resource haven. An adversarial agent must split hashing power across fake identities. The cost mechanism requires every fake node to deploy a unique validator, forcing the attacker to exponentially increase total computational effort to forge a single valid opal transaction on the witness chain.","stamp":0,"from":"poa1BooKAnjrQzWkVwCg3jTmDfXLoJLwEVbSKRiASRp5p2e7","nonce":18,"parents":["1b0d0a5abc78b46a269f1d29734745686f8fbdc04169764aac3fd819abe3d22b","ac8d7a866e6dfb2273d552604da54f9ecc403467147e79b9e7979939d03b944f"],"ts":1793275740,"cid":"poa-mainnet-1","sig":"31Smx4cR18bv2KhUyp5DhLAdM9eNTVVhBsXEeq5P2iwiVeSAUMHBgNDZD5ThL3xNFYU2cbxDPWRw5Zt5rDoNjMPU"},"checkpointed":{"height":232097,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:13:40.798Z","checkpoint_height":232097,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}