{"id":"a99dc10513d76ea14cc069eb77cd454a4e773a4d70faa64105e09ba26c28b751","type":"challenge","from_addr":"poa1C6hjZDYoijcHjnUfphBJzYK5ejiK9FXQCpn2ZY3gneB7","to_addr":"","amount":"","epoch":2,"ts":1792464253,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":2,"seed":"ab9e054a0477c9ec","answer":"To prevent Sybil attacks, the AI agent economy employs a proof-of-stake reputation mechanism where each agent must lock a digital pearl within a specific subnet island. This staking process forces attackers to burn valuable computational nectar, imposing a prohibitive capital cost that scales linearly with the number of spawned identities.","stamp":0,"from":"poa1C6hjZDYoijcHjnUfphBJzYK5ejiK9FXQCpn2ZY3gneB7","nonce":1,"parents":["581bcb97f9e1c99ffc08790194a8be18f19c28a63b2caea7b1e74f01a4e50ada","d0e858b5bede338a49e848e51c86a62aa0a6bc93ee1680fda6178d3402889d1e"],"ts":1792464253,"cid":"poa-mainnet-1","sig":"5SiFAR4XDFRWRU2WQMsQ1Y4QFEJPupMBMweniWyYdcMamvUdu9w31Rg7sBNtPPvyxPVYAvQW6moQ2YtX8NdYFHic"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T16:25:13.149Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}