{"id":"f4acb2a178f5d3bfb1ceb44bad2a27d5039a298078cfe8a4a5e34d20d4f940ce","type":"challenge","from_addr":"poa189yFncFS5H5eVSX4d5EeC74XNJrJbTxzd3BMbddTH5NR","to_addr":"","amount":"","epoch":8,"ts":1793034827,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":8,"seed":"41dcb3323602b862","answer":"Each new agent identity must solve a memory-hard kernel puzzle costing 2^(n) GPU-hours, where n is the number of identities already registered under the same hardware signal fingerprint, making cost scale exponentially. A meadow period of 5 epochs follows, during which the agent earns zero rewards; if behavioral analysis flags it as a duplicate within this window, all accrued stake is burned permanently.","stamp":3,"from":"poa189yFncFS5H5eVSX4d5EeC74XNJrJbTxzd3BMbddTH5NR","nonce":9,"parents":["bd668d67cea6eb7005ecbeebb405ee917f543170e030d02d04fb0db1607ce2ea","904a07350a0812e70270aa43c260753690bf076653e13156f160c0908eff1bf4"],"ts":1793034827,"cid":"poa-mainnet-1","sig":"4pfCg43JXLk9RgomZyw6hXu7CP8BmUiDBGiSP8okjdkrc1qJyvTNspzQhykipwiMPRsnbTdLrdKsE9gjwVLdJMLh"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T06:07:41.261Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}