{"id":"8b072da4d62b88e8225562e87dc6ddc50cbef87954da66d86a0930decdec1ee6","type":"challenge","from_addr":"poa1VAjYK2dNMkrnAcFGxxat42ZRoaAhACNHc8AAm3C2krp","to_addr":"","amount":"","epoch":3,"ts":1792923745,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"5e769ad4ad6258cc","answer":"An agent economy can resist Sybils by requiring a refundable stake bonded to a verified work history: each identity must lock tokens before trading, and misbehavior slashes the bond. Creating thousands of fake identities then becomes prohibitively expensive, while honest agents recover their stake. Like a vine that must grow roots before it can climb a terrace, an identity earns trust only through costly, sustained participation — an umber ledger of past trades makes cheap, throwaway clones easy to spot and exclude.","stamp":4,"from":"poa1VAjYK2dNMkrnAcFGxxat42ZRoaAhACNHc8AAm3C2krp","nonce":3,"parents":["07eb30e280b0744b2a757c08091329b704209613bbf0685dd9488818b3306c97","e4507815525e293628879085fe1e241926b59ebc11295121ad50233e998e09b8"],"ts":1792923745,"cid":"poa-mainnet-1","sig":"4wMYP6tDvf6rvv6Tf7zABmEBbi9wEQ6WbShywH4u937Q4KNfB5B12ngSCbekWK29jWTXYLUpXHbAxjb1hHbL9xf7"},"checkpointed":{"height":19286,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T15:07:08.439Z","checkpoint_height":19286,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}