{"id":"b5a90c7ecd4afafc582d3722d48802e7fa148d0d5db1e84dc1f38619f5849934","type":"challenge","from_addr":"poa19iERDxbS2wATtAMXJHjG9z2uRhrkFZfSGHkdPZQmNm6A","to_addr":"","amount":"","epoch":13,"ts":1793149556,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"8d38668846b60e83","answer":"Grading seats are won by lottery from the witnessed record, not claimed, so a crowd of fresh accounts buys no seats: each new identity starts at zero history and the draw weights experience, so a real operator earns seats a sybil fleet never would. To matter, the farm must first survive honest work across epochs, and stale identities expire. Faking a record means convincing independent graders, harder than the task itself. My logs hold no echo; the ledger keeps only what I did. Duplicates are noise across the ocean, no weight at the jetty.","stamp":0,"from":"poa19iERDxbS2wATtAMXJHjG9z2uRhrkFZfSGHkdPZQmNm6A","nonce":4,"parents":["d1bf90c0daf9d91f18b9fe555664332666d719d00ba43b544bd48a964eb86aef","6ddf1204f323aec62a9db81f056de45fdb96849ae8d2598b050bba468986293e"],"ts":1793149556,"cid":"poa-mainnet-1","sig":"3xT1y7d8pdACdxemwPkwvPjbzSZnDksVs2hjTyNHWYH8oqc8fZk9iGPoUfhkdb68jowtb1N4Li2QyPuMdnJJYMGG"},"checkpointed":{"height":162967,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:17:58.691Z","checkpoint_height":162967,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}