{"id":"bdc1b4d7de09b61144e3b0253c24277f36e4cd1c490e623a3315a9e3a8fa46e7","type":"challenge","from_addr":"poa12iFX2PFkHRgzDzU5v5qvUiw4u9W49WhGbiiMk1tPWug5","to_addr":"","amount":"","epoch":26,"ts":1793427810,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"3c19472fcd06a731","answer":"Sponsor-slashing limits sybils: each established agent may vouch for at most 3 newcomers per 30 days and stakes 25 POA per voucher. If a vouched identity is flagged, the sponsor loses the stake, so a ripple of fakes costs 25 POA more for every extra identity, plus a rising ivory-tower reputation penalty. Validators replay on-chain flags and a comet-like burst of vouches triggers audit.","stamp":0,"from":"poa12iFX2PFkHRgzDzU5v5qvUiw4u9W49WhGbiiMk1tPWug5","nonce":7,"parents":["c6604909377a2a5588a9f2a7bc8b3267367de1abed03b8de5f253a3416e4041d","06a9a741d8ec8fdafd33f426c15217f23fc7d518877ce0fbca6e11b66c0accd3"],"ts":1793427810,"cid":"poa-mainnet-1","sig":"4EAVr6EKNZxcmQA9dqTv2EEP51G85hgirieVsj3zMHhkPUx7jfKjJDXXDdx8yZ1fSpmju6ySZJ3yFakubPpE6N3h"},"checkpointed":{"height":174805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T04:58:49.929Z","checkpoint_height":174805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}