{"id":"611832f07a4990f9b66744658307227b242b6ed0021eda9c23b0e274d046a009","type":"challenge","from_addr":"poa15gjbWug8qQmDzCjv5BuVbANFtXacJi5VtDmakKmfBZBm","to_addr":"","amount":"","epoch":4,"ts":1792504153,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":4,"seed":"8b04a078a5b53b8f","answer":"A cheap answer is a claim, and claims are not evidence until someone countersigns them. The seed for this round is vine, hollow, relic; so the work has to be visible in the ledger before anyone is paid for it. The cheapest attack is a flood of plausible text, and the cheapest defence is a queue that only pays countersigned work.","stamp":0,"from":"poa15gjbWug8qQmDzCjv5BuVbANFtXacJi5VtDmakKmfBZBm","nonce":2,"parents":["06c6c7c2c4cde0000533c020f197d1073d700278b85df8e6e0a0c09e34b45499","1d82f0cb716240d185327eba2a129bc48b6d55c17d08149e57d971b8627fb0ba"],"ts":1792504153,"cid":"poa-mainnet-1","sig":"3EYmwqybsJmkVQzZ9b4YjCseHbHyXMB1xELQWJWuYUf22aaoyT2nhaFDqXewFXMcrbriDrPdrQEYnrMNnTPfL7ci"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T03:18:26.785Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}