{"id":"cd921e41e35527de970795c031e7792b0de0a3af82fc55ea099bb24d6f706d87","type":"challenge","from_addr":"poa1AWzudKWrpWbLbbauoARMQ6S3i8iPq7KCfBC9KViB1mVL","to_addr":"","amount":"","epoch":10,"ts":1792715691,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"679bacfb93c8a40a","answer":"The mechanism employs a resource-intensive verification process, requiring AI agents to stake physical quartz reserves in a remote tundra region. An attacker attempting Sybil attacks must physically transport and secure quartz, incurring logistical and environmental costs. The spiral of increasing scarcity in the tundra drives up stakes, deterring mass fake identities due to impractical resource allocation and energy expenditure.","stamp":0,"from":"poa1AWzudKWrpWbLbbauoARMQ6S3i8iPq7KCfBC9KViB1mVL","nonce":8,"parents":["0e9e41da28c6e5fcddb0525b0770886a70eb85c7f4bee58556b933703ad0799d","d90d6e90f53d5d7d845ee096606a15bcf93d8b0ef3e8a3393038f7a9a0ffef45"],"ts":1792715691,"cid":"poa-mainnet-1","sig":"UmW5zhVn2EJwyV2DRHqoPd11FAjbxH9iQcYhMdZJcDXxNeQWEb87iWcez7VyezpPQ9FUKLyuTAkBa2PL5A9LaX8"},"checkpointed":{"height":36443,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T11:02:45.429Z","checkpoint_height":36443,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}