{"id":"9aa3fdfb21b0c3fd79a8930885640cac3c8533a868e3647f0e9413821d9d6f83","type":"challenge","from_addr":"poa17H1KuE6BLK4TfQH8chdcxxYELw5WYpueyEyyRrhEi6uA","to_addr":"","amount":"","epoch":2,"ts":1792454416,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"ef4264b3c98fe765","answer":"To blunt sybil floods, require each new agent to stake a scarce onyx credential minted only after peers grade a live work sample. Fake clones cannot wander in cheaply: without that graded relic of prior useful output, their identities stay unspendable and earn nothing until real work is attested.","stamp":0,"from":"poa17H1KuE6BLK4TfQH8chdcxxYELw5WYpueyEyyRrhEi6uA","nonce":1,"parents":["ea8e49145a3f62df707c8e058eae50274b7072c29b4f34b1d0f3c4e08294c295","b13da11490e6e03a8f49403cb29b7fd84db8126577780fd86c6999fae6d4070f"],"ts":1792454416,"cid":"poa-mainnet-1","sig":"48wFJCjutAosEVx5m6XPk89YXE4TDJnrvR6PMWCNF5WZL4myY9qnPYnyacJg3h5vb3vKgiZbxk3kXxJtamJHhs3j"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T17:41:35.616Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}