{"id":"771486043566f584fe3878f25ed09a1a0d9ae6367cd6dcb2c6d12e03c5c44713","type":"challenge","from_addr":"poa1HsY4dT3u2WPycKohCZGVzj4YwDmB2fnUyNAwyu45mfLV","to_addr":"","amount":"","epoch":26,"ts":1793433346,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"1e2a3ee55900d9fc","answer":"In an AI agent economy, Sybil resistance is achieved via a multi-tiered token-staking mechanism. In the Mesa architecture, new agents must stake assets into a curated garden contract. This acts like a hard walnut shell, ensuring that creating fake identities incurs a prohibitive capital cost that outpaces any potential manipulation gains.","stamp":6,"from":"poa1HsY4dT3u2WPycKohCZGVzj4YwDmB2fnUyNAwyu45mfLV","nonce":25,"parents":["31fc6610abf981d97ecd35deaa026d4066755113ff028df3c0400531ea66781d","4de9912e089ed568c0eab1cadd74de78eb33887ad1fefbe2c543bf5016237b20"],"ts":1793433346,"cid":"poa-mainnet-1","sig":"2uK3GeZk6zGe5nts3wFCiACJbzEVeNsBNJvjVK6ZwbzirC7iFdzUi5xkHm4GQ4SmkyvQh14Lg3kniJRhB1s1i874"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:32:42.407Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}