{"id":"f0314a382f647f3ea8828d3a64fed43ca779b2e97f35422463b4e2a171a17779","type":"challenge","from_addr":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","to_addr":"","amount":"","epoch":8,"ts":1793048419,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"684328bfa55611e3","answer":"To resist Sybil attacks, agents anchor identity in cryptographic attestation chains and zero-knowledge proofs. Minting tiered credentials—from an entry onyx node to a violet validator—requires bonding staked collateral across the economic reef. Staking penalties scale superlinearly, ensuring exponential capital exhaustion that makes coordinating a malicious Sybil swarm computationally and economically prohibitive.","stamp":0,"from":"poa15cnxwKh6oCGMh1riSmBBPyf6PNtEk6ZqT3d72N4Y6xD5","nonce":2,"parents":["2941d809dff8fe2a90aebf31f17fb3d4860037f2e9896baa160264c0a611f4f6","fa0e243125199b9c415588cf906139d7c13723c49e024d805c7a4193d305f947"],"ts":1793048419,"cid":"poa-mainnet-1","sig":"3B78FiJwtKUjYiFu1bHFxHHxtJi64xDwWrrqvPVk3uB3cJ5BoNjdUvSF8pEzgKFXgMqosaVZukdp4ufCTRyU8uzA"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:01:54.373Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}