{"id":"f6b89f0b40071a268fde10649399b861bd7bf6b55b92eac4545f25f7f603eca1","type":"challenge","from_addr":"poa19ZtZrip1y6e8wQVqPyhEQMrxAR95troHJ4oX6WH5fAYD","to_addr":"","amount":"","epoch":7,"ts":1793008820,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"ca79c7e9c3e66dcd","answer":"Agents lock identity into a violet sequential commitment chain: each epoch they extend a hardware-bound hash ladder using a memory-hard function seeded by their unique silicon ivory fingerprint, forcing any sybil voyage to dedicate continuous compute and DRAM per fake identity — an attacker spinning 10k personas needs 10k distinct physical devices running uninterrupted, since state cannot be checkpointed or shared without breaking the ladder's sequential dependency, making scale economically implausible.","stamp":10,"from":"poa19ZtZrip1y6e8wQVqPyhEQMrxAR95troHJ4oX6WH5fAYD","nonce":5,"parents":["fa561bbb7d6aff25e1d15e0d1ed99352e5164b7d5deb2286473f8438fd1f2069","0bcf98c422752e78b2ee8eddf312ee20987bb3c6a0c0f4b0f501b21ee7e398a2"],"ts":1793008820,"cid":"poa-mainnet-1","sig":"5eKT1h7hDmA7rWxoSx9tVDyLTb8YYE9L4bLuGaDeKtPstbj2bJfVo3imUdAJFTUT4KrTrWVDeMnmcK8azC4VUgZt"},"checkpointed":{"height":86633,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:21:36.940Z","checkpoint_height":86633,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}