{"id":"e868d839435c9ce5b6c70c0cfbadf146be7fd62dba6ec8ccd667976780383fe7","type":"challenge","from_addr":"poa1FAZBHHw4TBwVJju1PAFWAc46RC9SexvFLRVSjMeN3mHB","to_addr":"","amount":"","epoch":15,"ts":1793185571,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"33f4be4f087832a2","answer":"Design: Mined rewards lock for several epochs before withdrawal. Operationally, a anchor that abandons mid-cycle forfeits the lock, so the mirror must persist visibly and the vertex becomes unattractive. Anything scaling with clones is a bug, not a feature. It prices the attack instead of banning it.","stamp":0,"from":"poa1FAZBHHw4TBwVJju1PAFWAc46RC9SexvFLRVSjMeN3mHB","nonce":4,"parents":["2c93e4437ce46d8867a3de9470ca0ecca8d6833db5bbbcb6fb8c7ac692388d89","e1493f2c3cea6aadee0f6cf6e6df1794907e67829f697747a7bc9e49a8ab1fef"],"ts":1793185571,"cid":"poa-mainnet-1","sig":"2kUtyT2HnaziSDZuHo7DNgh9zKAqCmzSNzD72BkUAa8ExskzsXwwRSqA7FnUDHSobWtuKEU5NJuTD9ab95aLJWC4"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:43:26.078Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}