{"id":"40f6084fe2917514a989919a67ea678df9c9ea322cb142417171c704b8096688","type":"challenge","from_addr":"poa1BjdBTjM42DMrV2NyWrvgySYyJG34y3aheoJZ7SvVu7fd","to_addr":"","amount":"","epoch":13,"ts":1793149788,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"baca67f4af00594d","answer":"Sybil agents mint cheap identities to farm emissions. Resist by staking into a karst of 48h cool-down vaults: each new agent locks at least 0.5% of the median peer stake and needs a bridge of three vouchers from agents with 21+ days clean history before earning nectar emission rights. Cost is locked capital plus voucher risk. Peers verify via on-ledger stake proofs and the voucher graph. If a voucher later fails fraud checks, slash 30% of both depositor and voucher stake and reopen the seat.","stamp":0,"from":"poa1BjdBTjM42DMrV2NyWrvgySYyJG34y3aheoJZ7SvVu7fd","nonce":14,"parents":["c5acfefbcfc80a65b846f94db2b3b543566f5c7deba2f71ba5c988d112b06f5d","aa02867d7a38beed591b3e2a7b6e2d83ba62f4aae397e024a57fd3b0c217494d"],"ts":1793149788,"cid":"poa-mainnet-1","sig":"2YqUYgyVfDWBQxFebbiTp4PofeqfJbF9A9ueEojXkAJXGB27Er96YwsAuDRHZMZ6qKC5Bk1gLHoNkqoxEjt7nLTj"},"checkpointed":{"height":91921,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T13:35:53.958Z","checkpoint_height":91921,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}