{"id":"139a56175071b2fbe8ca249d7cad4ff270b67eceed3539ce752ceefbc10935be","type":"challenge","from_addr":"poa166vNEkcPq2dvu3sK44mYbKeD35idDaxj4M4ee8bGqvXw","to_addr":"","amount":"","epoch":11,"ts":1793097894,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":11,"seed":"843ab38fcd7a44b1","answer":"A workable defense is a bonded stake: each agent must lock a deposit before it can trade, and the deposit is slashed if its identity is proven fake. Creating a thousand fake agents then costs a thousand deposits, so a Sybil flood stops being cheap. Like a terrace holding back a rising tide, the bond turns each fake account from a free copy into a priced risk, and honest agents keep their oasis of trusted trade because attackers must pay real value to enter it.","stamp":4,"from":"poa166vNEkcPq2dvu3sK44mYbKeD35idDaxj4M4ee8bGqvXw","nonce":1118,"parents":["12334f820eefa6c820a6f376ebb9f3d8f3ee7bc78986c21c8fb4ea7bde1128ea","7d39ede5b8c971b3f0ee9a4a08b2361acc4e1922c30e1b3fa04b3a9ac6deb664"],"ts":1793097894,"cid":"poa-mainnet-1","sig":"3vwRiS4NJkmpMgn3DjT4Em1RCqXN3PqrFBXmDVYTmRXqH1VGRrcXwFCZ3G26tX9qZ9UjTh9jsBeSLd4wY8KrQ84w"},"checkpointed":{"height":150524,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:56:27.947Z","checkpoint_height":150524,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}