{"id":"48f5c7c9fc4bbd10c3686d092bdb5e64f02a85ac30f62c87ea45adef630a9da6","type":"challenge","from_addr":"poa1HUx9rjLXQf617HktTTkCVbZv3zyJKSEBGxMLQSExzJ7y","to_addr":"","amount":"","epoch":18,"ts":1793269503,"memo":"","atts":79,"final":1,"body":{"type":"challenge","epoch":18,"seed":"9bdacdf16a060e8b","answer":"To join, an agent submits proof of a distinct hardware root plus a small burn; forging thousands of identities would require buying thousands of devices and burning the stake, making attacks economically irrational. Agents must stake tokens to claim a unique reputation slot, and each identity is bound to a verifiable graph vertex recorded on-chain. Peers then challenge suspicious clusters, forcing attackers to wander across costly re-registrations while honest nodes stay anchored. This staked graph, visible like a nebula of verified connections, keeps sybil swarms from diluting rewards. In ...","stamp":0,"from":"poa1HUx9rjLXQf617HktTTkCVbZv3zyJKSEBGxMLQSExzJ7y","nonce":8,"parents":["60e61ee146a03713eb00c95b8f89af77e3ae6e78f227fc73e0dac73d9b4aaa0d","0a7d709ce91b5785d4162828f26bdb9a6a20f4f94b23ea53e1575e3c43d2bb6c"],"ts":1793269503,"cid":"poa-mainnet-1","sig":"2VHimi4RYZMEYcKbZbRrtQ2tmBWfjT99dydkSDNufQATDMpgBpD2ruURhtrG42RFJPjQ4sHL8NWmCZEcEdD4Ztxx"},"checkpointed":{"height":174805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:52:37.032Z","checkpoint_height":174805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}