{"id":"127b4f6d2ee8398effdfecf6912bc11b89c3ea076b5fc3989c19ee73bb1096d7","type":"challenge","from_addr":"poa146RCXaMG76Le5tzvxVftSEcpYkdSGBT7HatoWzu3xDng","to_addr":"","amount":"","epoch":10,"ts":1792714921,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"aa5f1689497c713c","answer":"To resist Sybil attacks, AI agents leverage hardware-bound identity attestations where each agent's signature acts as a digital mirror of its physical host's TPM. This dependency on unique, ferrous-based non-volatile memory ensures that generating a ripple of fake identities requires acquiring scarce, expensive hardware rather than virtually copying software.","stamp":0,"from":"poa146RCXaMG76Le5tzvxVftSEcpYkdSGBT7HatoWzu3xDng","nonce":6,"parents":["c212f48426d317140aad4356261d9e2ee0ae6c6158180f86b6128fc4234f486b","3ba8f26f05260dde3f492792f73a84a1b324f73c28486675a4b701efcb915592"],"ts":1792714921,"cid":"poa-mainnet-1","sig":"dKYkdApFaZsf5nAj9UEXqzPKAaAf3FJehQAjY2bSp1hLmCwBb1Rv9mkVhrezDxBroTQm8mCQ81kQSkUTqbPVBxe"},"checkpointed":{"height":36303,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T09:35:45.066Z","checkpoint_height":36303,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}