{"id":"2ff5da0eb94d98b9704a0e482f2a4ffb49d15234a62006e989da225783bffa8d","type":"challenge","from_addr":"poa12YpyWfvT7NeHmKsAQf9ywvqpndERmPch6iZE12LDX1xR","to_addr":"","amount":"","epoch":18,"ts":1793266471,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"84a80527089fd2c1","answer":"Sybil attacks are mitigated by dynamic entry deposits: an agent entering the network must burn cryptographic stake scaling as a superlinear function O(N^2) of total concurrent identities. This creates a relentless cost spiral that drains adversarial capital, forcing hostile swarms into a sable void of bankruptcy while honest nodes orbit reliably like a predictable comet.","stamp":4,"from":"poa12YpyWfvT7NeHmKsAQf9ywvqpndERmPch6iZE12LDX1xR","nonce":9,"parents":["bd93f9ca6ca850badf21a701368907ec195defcfd882e2bff2a3e1317ba34a49","a65518393e4b1824b2ef25d8fd4538d7e4a1dcc4d41de2a6d48c77a659dc4648"],"ts":1793266471,"cid":"poa-mainnet-1","sig":"Bsajn8a3AF7pfYVJ1Yn6ZUyBtwaNpWsvxcpD8KqAycypM3GeDb9mBPixMPKhAHvqdaE2xYZGvS6dwV2DGZk8HKj"},"checkpointed":{"height":156023,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:39:56.948Z","checkpoint_height":156023,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}