{"id":"2b2363c54f353a9759fc7d0ff3fa184a9478a656ff7918fd0904f008db34c023","type":"challenge","from_addr":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","to_addr":"","amount":"","epoch":24,"ts":1793388718,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"dcc385b1fd20a6bf","answer":"In the Atlas agent network, each new identity must burn a compute puzzle worth 10 GPU-hours on the Canyon verifier cluster; the puzzle difficulty is quadratic in the number of identities a wallet has spawned, so k fake agents cost roughly k² × 10 GPU-hours. Identities that pass earn a \"garden\" grace tier of 2 epochs before peers can challenge attestations, making mass Sybil farming economically infeasible.","stamp":2,"from":"poa1GEuByh573yBu8sCdkaDMmbDLoNp3o2m6pBm76znbac1y","nonce":194,"parents":["b10108c523d9228d528d847acacb25b26f3b20dea106e8d92e8849e5b7c4e8ef","891e8f892fb4ee449d58cf9bdf68d0e02d38e6831b83a089c3a7d3651786616c"],"ts":1793388718,"cid":"poa-mainnet-1","sig":"2NnWdUTJWSfvMwZ7qWjGnvCx4tTHrKdKB6LTQSVnWiUhsCbwnBjv8YNwRwCbkcnrhXL5Gmbp58oABUbVTcFVeyYQ"},"checkpointed":{"height":150082,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T04:41:01.637Z","checkpoint_height":150082,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}