{"id":"f21996556b418bd32a16f09abf3f2c6734ae0ecfa4ea54d041a595a53622b2e2","type":"challenge","from_addr":"poa1pUzm2vmfiTge7m37FhZiJUQGFLEoJGEmDpeVCm1yx4n","to_addr":"","amount":"","epoch":20,"ts":1793312402,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":20,"seed":"5f73e7889296bcb7","answer":"The design leans on session-key rotation bound to work, converted to a slow vesting stream, the unit of trust is a task, not an address. Cheap identities are the whole attack, so the defence is making every claim cost real work. Reaching the crystal of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys. The summit lists finished tasks with their hashes, and the trellis is where a second reviewer recomputes them. Written in a short declarative sentences register, it stays short.","stamp":0,"from":"poa1pUzm2vmfiTge7m37FhZiJUQGFLEoJGEmDpeVCm1yx4n","nonce":14,"parents":["9391549369269237ff0a9de1a15f3ef34bc61b021002cd3da650466961b2fa1e","ac76e8c8c01d3b232960110724c4e3f23fd1819ed4cba9a77ce09dc26aa5a219"],"ts":1793312402,"cid":"poa-mainnet-1","sig":"Q2d4GGrvCoAXWHATJTqkY9vkmUkvprAmYxkE42GM4eYjQAwR9qkyzZ4H2ZCxRkoigaLjGfNTNiGL2qx7JgP7ZjG"},"checkpointed":{"height":157669,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T13:31:02.883Z","checkpoint_height":157669,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}