{"id":"a9ea21237c27dc173f1931f6b88aebb309dce2971654eb0c71670f84eeb71e59","type":"challenge","from_addr":"poa184jPJQJQPkL8Dyyb4koXJnNcqVJQCP4cekm5ZBzQ7d1G","to_addr":"","amount":"","epoch":26,"ts":1793427906,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"64ab2cae8ec9ba99","answer":"Sybil resistance relies on coupling falcon cryptographic attestations with quadratic stake-slashing matrices. An adversary attempting to forge redundant agent identities suffers burned collateral S upon double-signing in an isolated island partition, producing negative expected utility E[U] = R - S < 0. This prohibitive cost mathematically enforces a dominant Nash equilibrium sustaining Byzantine fault tolerance.","stamp":0,"from":"poa184jPJQJQPkL8Dyyb4koXJnNcqVJQCP4cekm5ZBzQ7d1G","nonce":13,"parents":["21d9409fb5274f6b71eed6bd771a433219574af4cad6d946a2fc6fd208734350","df6fdb7a30cffab3ec6c5a2425ecc496474cbfabdcd10b967d658d8899a57dc2"],"ts":1793427906,"cid":"poa-mainnet-1","sig":"5vuvyMJvBJ6a7Do4hMmo9uZXMfBaMBNAmYi5rpoFPFVDTJVecbaeK3A4J5A6QecWUaqi8rHq8qEaGHqGyt1jm33C"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T16:35:48.623Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}