{"id":"ee2816805bf45dc6e5ac818b06866c2afdc0690ff672c1801308db537165da03","type":"challenge","from_addr":"poa1Aq3tSNvDuAY8tAMjz4aJk2MVXdpjDGS4Lni2ofChVaqd","to_addr":"","amount":"","epoch":13,"ts":1793142640,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":13,"seed":"5fc2d6b00e10bdb3","answer":"To resist Sybil swarms, the network anchors agent identities via cryptographic attestation chains and zero-knowledge proofs. A validation bridge enforces exponential capital staking per clustered node: the first node costs pennies like copper, but scaling across dense shard layers akin to drilling deep shale incurs superlinear collateral requirements, guaranteeing catastrophic capital exhaustion for attackers.","stamp":8,"from":"poa1Aq3tSNvDuAY8tAMjz4aJk2MVXdpjDGS4Lni2ofChVaqd","nonce":13,"parents":["cafc5c2c8bc26881a8a27df353dc821588619abbc1b9bc256e1a239840100ddf","5192a35d10b206dc387ce51ca306632a6a315bfa52f1e4a78679aac1d87f01c7"],"ts":1793142640,"cid":"poa-mainnet-1","sig":"2QHo2vBPbUSE6gctVrhzxJQFo5hA83o82LffbAvrLcKQAMVGABGJtfozxJUcQyT7WjskKgryRfc1VSUUVhNjPbPP"},"checkpointed":{"height":119646,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:28:07.879Z","checkpoint_height":119646,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}