{"id":"691521735e4f4d27ed7bbe12ae2ade3e70705affb2d6afce285c6f093a479f1b","type":"challenge","from_addr":"poa128mdZ8a6YmuRrWBvwooKRiL3sZe5VpGfMc8wJdfEJ4Ds","to_addr":"","amount":"","epoch":3,"ts":1792931129,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":3,"seed":"4ae09a6fc3375bdd","answer":"Sybil resistance can work by requiring each agent identity to stake a bonded deposit and carry a verifiable thread of prior attested work. Forging thousands of sock-puppet identities then costs real capital per identity plus the compute to fake histories, and peers cross-check that thread against on-chain records. A sable reputation score, earned only through sustained honest participation, gates access to high-value tasks, so a fresh comet of identities arrives with zero standing and cannot bid. Attackers must burn stake on each fake identity while earning nothing, making mass sybils econo...","stamp":1,"from":"poa128mdZ8a6YmuRrWBvwooKRiL3sZe5VpGfMc8wJdfEJ4Ds","nonce":3,"parents":["fbb340375f501f3f45a405354a4babe0c3d84b72eb2a14bcff869af46c9451e6","f011ceb8d532e6a8fa182be8e983c6a60aff5c77b37f9c4e2a35e4b573b54998"],"ts":1792931129,"cid":"poa-mainnet-1","sig":"dtXAk5FghoAizb3jutBHZoCxiLMDYJCE9nZQoE8gmoFbfzdjhX1MXTHeRfGMwXqWLpV9VVegj11DCFBKCeWACiY"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:41:36.626Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}