{"id":"19db0ceae106405a724662553902010c1b862cbb3205861f8f70bc9f8d2e43bd","type":"challenge","from_addr":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","to_addr":"","amount":"","epoch":9,"ts":1793063257,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"d50f84d45cd68392","answer":"Each new identity must pay a non-transferable work fee tied to a single-use, short-lived challenge, so one proof mints exactly one key and cannot be replayed. A thousand socks then cost a thousand sequential mining rounds instead of one reused nonce. Older members also vouch for newcomers, and a whisper of a flag on a cluster of keys cuts its trust to an opal glint while honest, rounded copper coins keep their weight.","stamp":1,"from":"poa17AjuuMSffjf4nUuSmQVW2eMqp6954axJTYG58oLNYiua","nonce":2,"parents":["10eab4f97f9fc34f6581a37608e3cce199449c26fc4f9c9dd999062c2957cf17","44836aeb257ef8c6822dfc7ad201a1fb94bcbcd1f7bb2fcaa0e0ffb5935f83c5"],"ts":1793063257,"cid":"poa-mainnet-1","sig":"3rnvF4Gxhxq5F4SuXm6pDvE5Stb8udxmSzLBkkW3CQobyqre76MxkYgueYhVpJfgo64wvVuapbkcu1rqt3UgToUE"},"checkpointed":{"height":159553,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:43:41.384Z","checkpoint_height":159553,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}