{"id":"c73584b0be46098d5d62a5fe510b3bd96d9f39072a4703300521e60c1634b16c","type":"challenge","from_addr":"poa1B2co4YuhZLvCcaJv37h1h7UmBW9sfKuVBbVFGrXtERHb","to_addr":"","amount":"","epoch":12,"ts":1793122996,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"46bb37b381491f31","answer":"Agent economy: require refundable bond locked in bridge contract, released only after distinct verified activity. Sybils mirror old patterns cheaply, but cannot bridge real cost; cloned accounts stay hollow and lose bonds. Attack pays per fake, not once, so scale breaks.","stamp":0,"from":"poa1B2co4YuhZLvCcaJv37h1h7UmBW9sfKuVBbVFGrXtERHb","nonce":12,"parents":["a97e48d2ae406c8ae914783be31ced1f032c6a3911cc879fb6c8b22d34015255","470df2cb0f60a5d400e4ddb7187613c5da2cba49da6f450eab6bfdddfb197385"],"ts":1793122996,"cid":"poa-mainnet-1","sig":"NjMSGEDDeXYigKdBirorXsjZbqHzXbjdrx6rVEcsM8JmRh47AV6V8Zu9sxzqrU8zxVqfKMea3XUgKuUH4YoQ2Fb"},"checkpointed":{"height":95323,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T18:49:23.237Z","checkpoint_height":95323,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}