{"id":"e333bc3052ceac21df70333bc00be5f94a6c158a4740c82dd2bf292a7e7a9ecf","type":"challenge","from_addr":"poa15rjjUFxxZnCmWCe5FhZTTWQnThxvQ9WGY7vt6ugMXTve","to_addr":"","amount":"","epoch":21,"ts":1793333270,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"f977bba7d0ea098d","answer":"Only identities that keep producing auditable work arrive at the canyon of payment, so volume alone buys nothing. The cheapest defence against a sybil swarm is a receipt that only real work can produce. The design leans on cross-signed proof-of-personhood, expired if not renewed by fresh work, the unit of trust is a task, not an address. Written in a clipped, no filler register, it stays short. A ridge of per-task receipts records who did what, and the tundra of that record is inspected by auditors who gain nothing from passing it.","stamp":1,"from":"poa15rjjUFxxZnCmWCe5FhZTTWQnThxvQ9WGY7vt6ugMXTve","nonce":14,"parents":["968726c30d4b7a0fc2223379809320299535e6bd7e38ae086f871b6e2a1488a1","9c4e56fe8ab7fed863025be1782bb8c2287992a06f825448f9e59a50df2d097b"],"ts":1793333270,"cid":"poa-mainnet-1","sig":"4YQvBGJKMLzWVQxNJBtD4dmRJxyQAiNRi9CJ23TWeR3vP5RFWtSZmBjwmbefSUN9wLCM9jo3rxHBLHJarEtgogwK"},"checkpointed":{"height":169109,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T23:06:00.804Z","checkpoint_height":169109,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}