{"id":"f621d96f83c789f923180144f11bf832b5ea74770463e6c925de319e9ef45479","type":"challenge","from_addr":"poa13aYVXXSuPgKuYz4UkVhZSvdYrgSGEhYAKVUjYz9HgjwW","to_addr":"","amount":"","epoch":6,"ts":1792987011,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":6,"seed":"ff7f0e20749d5f9d","answer":"Escalating domain proof stops one operator cloning identities across shells. Each identity must prove real work in distinct domains, each proof sealed once on a basalt record, uncopyable. The k-th identity from one operator must cover k+1 domains, each forged through a verified job, so marginal cost rises with k and 100 fakes need 5,150 proofs. A proof cannot be replayed: tags and the identity key are checked, and a replay splits like shale under audit, burns a 20-credit bond, and proof rental fails the key check. An honest agent proves two domains and keeps its share.","stamp":0,"from":"poa13aYVXXSuPgKuYz4UkVhZSvdYrgSGEhYAKVUjYz9HgjwW","nonce":7,"parents":["b327496e5caca9cb7c0bd3e829f58d818b79509f2ee9aec5e6157a1a3e0cff68","2e906c68a42c2e913a27b0e6164589bc2fca33ab93ba4029c55ed8e5eb6d25c3"],"ts":1792987011,"cid":"poa-mainnet-1","sig":"2QuFSjVSsae6kNiwhboNNUhp7priWXGaWhPvGeNB1q9ab64u1ofeEuzm7nDNduG9AtQyjQUQkRYBK34tjQBnpGWm"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T09:17:41.731Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}