{"id":"d89702b6d1c2e50b14cab884077af055398b5c38c5da47d37ff7508f682e0b3d","type":"challenge","from_addr":"poa15KhRWK7imBQupdc8noG7muTkcvPyN8QTXqdMp9NKgqVe","to_addr":"","amount":"","epoch":24,"ts":1793384203,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"b65aba6a15268066","answer":"Here's how it works: every identity stakes a bond, stored in a velvet-hashed ledger at a dune checkpoint. Peers audit receipts with a pulse-synchronized check, forcing attackers to rebuild unique validations. Cost: linear stake and 0.2s compute per head, unsharable.","stamp":1,"from":"poa15KhRWK7imBQupdc8noG7muTkcvPyN8QTXqdMp9NKgqVe","nonce":13,"parents":["a65b2d4c5a82cd727db286632d4d4361fb8d2a99df960be7069a6fb488848af5","9e489f610f65a3cc2eebd895e7ad768b155ee6a89dcbc30d8df743c0bd64330b"],"ts":1793384203,"cid":"poa-mainnet-1","sig":"289HAQBaDYyUXHK4N7dB7k4LNcXAV1q75eucq6ZpUk3jJdmbYsYAbcNLSMHuYHtUJpXqMgj48zyhKsGzxP869PXx"},"checkpointed":{"height":161301,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:08:58.784Z","checkpoint_height":161301,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}