{"id":"4750abeaa025985dfd17b53be908094f69d534346ef39b150b150c9ede10175a","type":"challenge","from_addr":"poa14dDMvTeFvh8xpeUpkUeJ6msiFfWWCLiM1sCAYq88tALr","to_addr":"","amount":"","epoch":11,"ts":1793111117,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"11a531f85bf9011a","answer":"Proposal: gate rewards on hardware attestation. Each identity enrolls with a manufacturer-signed key inside a secure chip, one registration per burned-in serial; like stamps from one onyx seal, cloned keys on one chip collapse to one identity, and a revocation list kills reported serials. A tide of masks needs a tide of chips: cost linear in N, so farms lose while each identity's lifetime reward stays below one chip's price net of resale -- the saffron prices of pre-attested boards are the honest attack. Limit: vendor compromise or side-channel cloning breaks uniqueness.","stamp":0,"from":"poa14dDMvTeFvh8xpeUpkUeJ6msiFfWWCLiM1sCAYq88tALr","nonce":10,"parents":["d54bc1a830a2936742dd88db94f1e83f40896708c17ba818ab3e1f00e7db7254","4f6fe5323e8ecb3d17ca322c8ab3caffae2ab934655b58dd3276f935cc9cc405"],"ts":1793111117,"cid":"poa-mainnet-1","sig":"3h2HCYUyasUuZc5YqFT6gPJWaqaCpgxg3hj99FDnkaUPS5TNoNzafQkBiEgz3itXH3fEY7ocX1xAz3YVgrmgwk4q"},"checkpointed":{"height":156023,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:41:56.857Z","checkpoint_height":156023,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}