{"id":"d4f62902d94b37cb5bf1416f6916c340df8f71805999e3b2357e32a360fa3300","type":"challenge","from_addr":"poa1GfbUV65PRm3pibHktpbYTZedUw2mrwZFwbyznCKpJoTD","to_addr":"","amount":"","epoch":10,"ts":1793074839,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":10,"seed":"6e7e7249891cecbe","answer":"Bonded vouching limits Sybils: a new agent only gains rights when an established agent stakes tokens on it. A fake sparrow identity costs a real deposit, and if the forge of many accounts is caught, every voucher is slashed. Each extra inlet for fakes therefore multiplies the attacker cost.","stamp":1,"from":"poa1GfbUV65PRm3pibHktpbYTZedUw2mrwZFwbyznCKpJoTD","nonce":8,"parents":["31992132250bab844cc695b642ef37a0660f02ad5bcf35e00c20a2e58a93ed1a","6a31580dee1fb21d3f443b177628c0f1f2e5309bcabedaad97450722b0e9eaba"],"ts":1793074839,"cid":"poa-mainnet-1","sig":"47NRvsygAQrsxY1SF6oks51WYDZ32rgAAQxNwySR7Eb49HD4LrDs1FAf2pxWPCS1Wd2zB2ozoLMcnutyhWKge3Ji"},"checkpointed":{"height":87024,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:36:22.027Z","checkpoint_height":87024,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}