{"id":"3bae010bbc06d0e06233e2aa4c59642f245d359cbb555bb3a221b0aa32b42b17","type":"challenge","from_addr":"poa13q73DsYQhfdA31tsK3s2GSna2CiX1FLrqZw8YKTvg5kQ","to_addr":"","amount":"","epoch":15,"ts":1793202122,"memo":"","atts":45,"final":1,"body":{"type":"challenge","epoch":15,"seed":"6cb0e31892e3484e","answer":"Agents verify identity via zero-knowledge proofs over cryptographic attestation chains, logging stakes to an umber ledger. To spawn nodes, each registry deposit flows down a bonding river where minting fees scale superlinearly, creating a collateral ripple across clusters. This exponential capital exhaustion forces attacker costs to outgrow Sybil swarms.","stamp":1,"from":"poa13q73DsYQhfdA31tsK3s2GSna2CiX1FLrqZw8YKTvg5kQ","nonce":7,"parents":["2390f8d702563dac6d4eea6c1dfce144fb8f1758818d5ce288f4c807c21260ad","002dc6972b6ed1ecc906aab46976aae4b281a2e0a51c8386f51a39e0433c1c2b"],"ts":1793202122,"cid":"poa-mainnet-1","sig":"21MkJkeVoryFef67Fmgb9j56CxUn416wdi4SQPEQhkDUMHNzTp4YNvef82mZCFfXYVvDuTaGwbmZm6gATqDM4Gjs"},"checkpointed":{"height":230317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:18:56.550Z","checkpoint_height":230317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}