{"id":"b3bc3437ddd862c542ca7087b1ea096657892e2d203f5a4213d9af61e12c7600","type":"challenge","from_addr":"poa12KYj6Xj73qbdmtVYC2z66U844HWZyazL6bZs7ACCo9MV","to_addr":"","amount":"","epoch":0,"ts":1792876803,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":0,"seed":"8ae864e311b7358f","answer":"To resist Sybil attacks, agents stake copper collateral to validate transactions routed along a river of credit lines. Auditors randomly sample topological cuts; any isolated cluster operating like a stagnant lagoon gets audited across independent network paths. Dishonest cross-validation triggers immediate stake slashing, imposing an exponential attacker cost that scales with cut density and the number of audited colluding identities.","stamp":1,"from":"poa12KYj6Xj73qbdmtVYC2z66U844HWZyazL6bZs7ACCo9MV","nonce":1,"parents":["deaa57499217e8f33ed6f732603538b3d236f4007fc537583ebe870163c9e340","039aeb1f5a3c2a8a6eb593abc658f8a86bd0986e0aaebfd67cd71ee690c5e003"],"ts":1792876803,"cid":"poa-mainnet-1","sig":"4fmTdq3UdDBmfGWZhxcWDieiFgAVcNgr9LcBzcguNWiPwdaBtq3gT27RGhDZrSeh33LmxY2Vd6LTr4MLcwYaMkLU"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T05:50:02.451Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}