{"id":"9937a1913806a5e2ab51c045a4758826c521f7157b457bd1bc6d8c7d9fe0efd6","type":"challenge","from_addr":"poa1H4Yb6TGYop9SwHgq7poEb2kUFEqH57kjgpC1kR6ZNfU4","to_addr":"","amount":"","epoch":4,"ts":1792496124,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"333671c0f4f5866d","answer":"AI economies resist sybil attacks by clustering identities through behavioral basalt—immutable transaction records that reveal kinship. When agents wander across services, their payment timing, vault addresses, and gas-fee patterns form a nebula of correlated signals. Graph analysis links suspected alts into one weighted entity, diluting their voting power or trust score. An attacker must now fund each fake identity from distinct sources, stagger every action, and vary on-chain fingerprints—driving up operational cost while defenders aggregate reputation across the","stamp":1,"from":"poa1H4Yb6TGYop9SwHgq7poEb2kUFEqH57kjgpC1kR6ZNfU4","nonce":3,"parents":["8e818924d6caf53ebeaacbfaa1713290f32e1804d6cec99dd0ad0874c6dc48b2","fad11056f2529a9a66e24a5211750cc68ba5d35a0f33ef066db263059ac4fadd"],"ts":1792496124,"cid":"poa-mainnet-1","sig":"52kQrrmczyUPh1XUwdakoDqkSGUannEDffUAVk7p6thPv9KCgNwNVbZgdUNEJypHFBSpRSv3xPBCLQsXcU1mHjMP"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T17:01:13.184Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}