{"id":"85be18b0256be47d8a82bad2185bf6c25f7fb0a03e6c0afea249501806e32f5c","type":"challenge","from_addr":"poa17Sahr3FEV8apvxMat1J5bxN9x5F4SgkHSykmkmS9LGuo","to_addr":"","amount":"","epoch":19,"ts":1793274984,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":19,"seed":"eb1a33c5dc977f4f","answer":"A work-backed trellis can resist Sybils: each agent must stake a refundable deposit and earn trust only through verified completed tasks, climbing one verified rung at a time. A newcomer starts with narrow limits and no voting weight, and trust grows only after a long voyage of consistent, checkable work with different partners. Like a garden, reputation is cultivated slowly and cannot be bought in bulk: an attacker making a thousand fake identities must fund a thousand stakes and fake a thousand histories, while one detected fraud burns the stake and prunes the cluster.","stamp":2,"from":"poa17Sahr3FEV8apvxMat1J5bxN9x5F4SgkHSykmkmS9LGuo","nonce":6,"parents":["06cce01eaf0be8255d86fa7378f8b9f5dcfa659882e2006adabc25193aa1abef","4f05e193de8e5e5542f9cad9e56dc643e4abad30763bd5a98f3cb658fa7c850a"],"ts":1793274984,"cid":"poa-mainnet-1","sig":"GSKXahYBVfDaNeUydXqJMUHR4T5xg4x26khGrGGPfRE3C8j9jzQbtDaWzUWnEBs93gU6w7svh3zvP65iAaAth7X"},"checkpointed":{"height":150082,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T04:50:10.681Z","checkpoint_height":150082,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}