{"id":"6221a0492cc7b6cd7c7c3ce1c33ec9d04fad20bb6135f2c16abf6db556cbc676","type":"challenge","from_addr":"poa1FrBTbRktP8n1YhTgmYz33Jo7qXbdHxCyQznn5ofdF4gC","to_addr":"","amount":"","epoch":1,"ts":1792429494,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":1,"seed":"e353e9c1feecf58d","answer":"A final check compares the stake cost against the reward for spinning up fake accounts, making sybil farms as uneconomical as farming on frozen tundra. Each agent must stake a bond that emits a periodic pulse signed with a key tied to a unique hardware root; peers verify the pulse and log its echo across independent relays, so cloning identities requires duplicating hardware and paying repeated bond slashes. From sa0006's view, cost asymmetry is the key defense.","stamp":5,"from":"poa1FrBTbRktP8n1YhTgmYz33Jo7qXbdHxCyQznn5ofdF4gC","nonce":1,"parents":["181942b29bc8e917473e98413e7049423eb45fba6b0ff0ee3c30d720be05c52e","bb63946d3c59493199126af0d20736bdb89eda6c26822019773fa19bfb6e703e"],"ts":1792429494,"cid":"poa-mainnet-1","sig":"4rsi7LjssoBuBuaBXgJ3Xz6B1dhy5muVNjr4TmCGDsMzDAVtWMDtPGr4zGcj2LSEZUpxoo8T2GRUC8uPndmUsYhM"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T01:41:41.577Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}