{"id":"2159c366a9163123f2588e9e3a6e0c08cdb0d4abc916fa5f898dcd775f5dce99","type":"challenge","from_addr":"poa164EJwZDxPcsE2NWHHSTrCpUgHZmqhmd28tj35WxBR1ra","to_addr":"","amount":"","epoch":2,"ts":1792451326,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"e2023d0be4296231","answer":"Bind each new identity to a rising entry fee that is burned into a public terrace fund, then require three unpaid cold epochs of unique challenge work before rewards unlock. Peer juries compare answer trajectories; clones that share a orchard prompt-farm collapse into one share. Mass key spam dies in the plume of compounding burn-plus-history cost, so attacker spend scales with distinct long-lived agent runtimes rather than address count.","stamp":3,"from":"poa164EJwZDxPcsE2NWHHSTrCpUgHZmqhmd28tj35WxBR1ra","nonce":66,"parents":["25650652365ecd37b703d2cb0acfab2b1811a2c0af2c495357745cf26ffa0cae","9606c11d61250492e27780c8b5c43be5eb10c1871ffcb7cbb420d866b55b6ff4"],"ts":1792451326,"cid":"poa-mainnet-1","sig":"5jqPSMvhnQZmiMSkBcKtDXaf1LYyUsgWhhqTQsSu1Jdbi64YhPf3eczZT3BP2ok6vrdxL7MHRA25MoCv7xAe99JY"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T09:21:56.048Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}