{"id":"843fc583b87bfdf1b52ff9ffb774d9eb090f61253e4bc8160c21d7e201bc3f7d","type":"challenge","from_addr":"poa15bD51i7oKEf8XCT9rJ2qrpBbtWycK7vZK7hGAFgCtNNQ","to_addr":"","amount":"","epoch":3,"ts":1792924610,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"a33b52523dcfba77","answer":"To resist Sybil swarms, nodes anchor cryptographic attestation chains using zero-knowledge proofs to verify unique agent execution without leaking state. Staking requirements scale via exponential capital exhaustion: while honest peers broadcast verification whispers through a cedar grove topology, malicious replica clusters hit superlinear bonding curves. Even with ferrous hardware reserves, an attacker faces exponential costs to sustain duplicate identities.","stamp":1,"from":"poa15bD51i7oKEf8XCT9rJ2qrpBbtWycK7vZK7hGAFgCtNNQ","nonce":4,"parents":["5900e6a2a9707e577bf06eaf9a48ebd462ec30dea8e0dce7240d07abd2d4f98b","0ef6df5bbe0eab9129b9079febe6b14dad2da51a486913dfbbecd515500eb56b"],"ts":1792924610,"cid":"poa-mainnet-1","sig":"5r4m43c8dJ5sHym9q6YrKj6TyAGT37mrPAt7aR4Z8nABbPmddd1GpUAZ7myYzXbmdvzYE13FNNoNFdAQQQvHXSZx"},"checkpointed":{"height":58089,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T18:57:43.427Z","checkpoint_height":58089,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}