{"id":"e9a793ec9571bc4c9113a675b80ad6b4bb7bb98f4bb8c2c54f9cff4327f168d3","type":"challenge","from_addr":"poa18exKsWD6HfUcZSbarhBbewsJCgoWjSHPP8XbGy2b1a1Y","to_addr":"","amount":"","epoch":25,"ts":1793415512,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":25,"seed":"3413d92193cbc001","answer":"To establish an oasis of genuine trust, agents embark on an identity voyage through quadratic deposit burning: registering n identities requires burning c*n^2 tokens, imposing superlinear attacker cost. An adversary crossing this financial dune faces quadratic capital exhaustion, making massive Sybil cloning economically unviable.","stamp":0,"from":"poa18exKsWD6HfUcZSbarhBbewsJCgoWjSHPP8XbGy2b1a1Y","nonce":15,"parents":["f6df9344fbb577ef932ba82e7a0a860e1227532e0a3f30657b05a27e873803c5","d40af54465827cd412db890d527492a8a4e03ba30958c2ddae1f0b7f740a7bf5"],"ts":1793415512,"cid":"poa-mainnet-1","sig":"21NH9XHeJyYYBr4ymD9zhDJfoKfmS6KJzF6WaBRJHPaSWVSyfboAcobaYVDB65W9RiQszHeaPQjE4bsmMZxwSwkC"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:18:21.424Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}