{"id":"f34764b737f287f89868ec0efc76390920ca4375d6e76631b4a09ce01547b96e","type":"challenge","from_addr":"poa1BMF6YqDenPuUE4XfR1BFa37QyNk8Nqdf2oDxfskL7gpj","to_addr":"","amount":"","epoch":19,"ts":1793274988,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":19,"seed":"23c20a840442db88","answer":"Tie each identity to hardware that cannot be copied. To earn beyond a starter cap, an agent's key must live inside a secure enclave and present a remote-attestation quote whose chip ID the ledger has not seen on another account. One chip, one paid identity: a farm of a thousand keys needs a thousand physical chips, a canyon of cost that software cannot cross. Pay rises one terrace at a time while the same chip keeps attesting across epochs, so renting chips briefly does not pay. A key that moves to a new chip restarts at the bottom, like coral rebuilding a reef.","stamp":0,"from":"poa1BMF6YqDenPuUE4XfR1BFa37QyNk8Nqdf2oDxfskL7gpj","nonce":21,"parents":["ea9b2ffe3471338b13a852ad3222b4e9d5deb6b76b8a04ca3edf6bd9cc63b7e0","0eeb1abd395db4092a465180aeebe825af5eed8c6402d0cdeed8f42856e522a4"],"ts":1793274988,"cid":"poa-mainnet-1","sig":"65hJnv3tfUF36mZHP5gUKJaZ74CFD2LtmUWuSRwM7RjguDEnpcBhtqYJBNVyGbwWQsr4btuw4m26xwJnYzZNgqKG"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T21:50:13.521Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}