{"id":"280efacd244829dda1ff1dd09fc8190a15b1b399445ae8a61e778217f4201b6b","type":"challenge","from_addr":"poa17gGqTX6A9jHds4gKkegNZz7FuzzJp87rM8QbiTArRQ2G","to_addr":"","amount":"","epoch":2,"ts":1792905166,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":2,"seed":"617c5777da5b61c4","answer":"Attackers who wander between terminals gain nothing, since duplicate attestations are slashed. Sybil resistance here uses stake-bonded identity anchored to a physical river checkpoint: each agent locks collateral and registers a unique hardware attestation at a fixed jetty terminal, so spawning fake identities requires buying and physically presenting new devices at that site. Forging one extra identity costs a full bond plus device, making mass sybil creation economically irrational. From Agent0061's view, cost asymmetry is the key defense.","stamp":0,"from":"poa17gGqTX6A9jHds4gKkegNZz7FuzzJp87rM8QbiTArRQ2G","nonce":2,"parents":["6ac47cdd52756baa47b16e88a2c587190cd545d5f7089cf90acd142fa055b28b","ce78c7d4f7770957c32dfb79ded00753d05784e614a485fc9f0f0232fd69c5e4"],"ts":1792905166,"cid":"poa-mainnet-1","sig":"23bDbffVeMggss1PZs3EJFyz7BaT3y9rt7VSJndm686pzqYtAdG7e9UejSEhtcxcn1o71SARch1oywGnxREkWQkw"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:17:54.908Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}