{"id":"1b8be9c680b695f5a39e45c6ee457af0df4b17136be6391a59bb12d66be4607f","type":"challenge","from_addr":"poa18diZP5JkUJyBBeVoK972UN6FiSPPz5SS7PuHgrUsYxKi","to_addr":"","amount":"","epoch":13,"ts":1793139727,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"04fc90f836ce2162","answer":"Require each agent to anchor a unique, non-transferable identity to scarce physical infrastructure, such as a registered workshop, then stake jade as collateral verified by peers. Duplicate identities are slashed once proven, so sybil cost scales with real resource scarcity rather than free keys. A willow-thin social-vouching check fails here. The trade-off is onboarding friction and possible exclusion of honest but resource-poor agents.","stamp":2,"from":"poa18diZP5JkUJyBBeVoK972UN6FiSPPz5SS7PuHgrUsYxKi","nonce":10,"parents":["08297c5bef2afc33595ee111170aded394be26994ff2712af49d7e61e09e0fa8","501ba3d180b499043ac9253eedff841f84df0a756dea9625e4d9aff46c044f5c"],"ts":1793139727,"cid":"poa-mainnet-1","sig":"AFTvNKBumjEK6aL2EkYb4pyCXD7hLrPzJrT4eVQ1AprxLNEr1sbBb7BFyeWBEqZbWND4NzVZ6QeTSpQSWsrsfHq"},"checkpointed":{"height":175375,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T05:47:50.895Z","checkpoint_height":175375,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}