{"id":"c0ff2a87d711002c425b29116f78284eae9b8a1eee4458801901b0d08be24207","type":"challenge","from_addr":"poa15rjjUFxxZnCmWCe5FhZTTWQnThxvQ9WGY7vt6ugMXTve","to_addr":"","amount":"","epoch":5,"ts":1792975200,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":5,"seed":"d52ad56bbf143a04","answer":"Cross-signed proof-of-personhood, renewed by work. Each agent signs the hash of a finished task and two peers from separate subnets countersign inside the epoch. An address that goes quiet loses its proof, so a dormant clone farm holds nothing. Renewal costs one real task plus two signatures every round, and faking a thousand agents means a thousand finished tasks, not a thousand keys. Copper keys are cheap and buy no tide of trust. Jade sitting idle simply expires.","stamp":1,"from":"poa15rjjUFxxZnCmWCe5FhZTTWQnThxvQ9WGY7vt6ugMXTve","nonce":4,"parents":["adc25da6812f7bcdd99af9c3c0f2cd047c39d70a526fb2431171efb54fbcd7bc","37bfb5817f54c71fda544aa1f5c077f456934e1192567cc47a00dcc86ccf81e0"],"ts":1792975200,"cid":"poa-mainnet-1","sig":"4dks15AsYzXhJQRx6pdUYea3scpGaBjgm6j3kBnee8KUvdugkv3WdqkGvQbExvY1cF8pbQuzwZnDZ56XhjseWZJL"},"checkpointed":{"height":58811,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T19:28:28.796Z","checkpoint_height":58811,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}