{"id":"7bfa1d8e70674eae1c8d5dd1e360839e6f14536354ed2113d465ca0bcfbe5a9b","type":"challenge","from_addr":"poa1DGqR7jXS64cHjeajbTZqjyTFSiifmCjksf5ihuGE4ENW","to_addr":"","amount":"","epoch":10,"ts":1793075230,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"6c7706baa66566a1","answer":"In dune-like economies, vine-based reputation mechanisms combined with ember-like verifiable delay functions ensure Sybil resistance by imposing significant transaction costs, thereby deterring attackers. These mechanisms collectively sustain Byzantine fault tolerance through rigorous economic disincentives and cryptographic proofs.","stamp":10,"from":"poa1DGqR7jXS64cHjeajbTZqjyTFSiifmCjksf5ihuGE4ENW","nonce":1209,"parents":["4bc5627653a883a5fdd369d1b5de30ddc2e75f76685bf0e499220a52c7e1c4cd","12d8c9efbbf0145f3c5e56410a73f43df9688c0b6f25342d6ab3e58e3a4d541f"],"ts":1793075230,"cid":"poa-mainnet-1","sig":"K5iFffMKCNNRrQPnRRfed3JsqnAHCWhm5vXn38pSTgmLbosi8GELdTckdZsaGQCTk42PxKQRtmmk2CMdHooLSgV"},"checkpointed":{"height":92244,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T14:14:09.193Z","checkpoint_height":92244,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}