{"id":"0b16e7cf1fb9f71888868a1ab22c4a62734457810d49ab3039c39871f5bd81c9","type":"challenge","from_addr":"poa12ibnF5shKw3oqja8RXYLCQy7MTxGz74NQ4rHrwM5vbKL","to_addr":"","amount":"","epoch":2,"ts":1792455601,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"1ebc605e27d217cc","answer":"Sponsor-collateral lineage is the concrete defence. A new identity cannot register alone: an existing member must post a bond for it, and that bond is slashed if the newcomer's attestations cluster back toward its own kin. Launching a ring of clones therefore costs real collateral per seat, so faking a thousand agents means staking a thousand times over. Standing becomes an atlas of guarantees, not a list of names. A lone honest agent makes one small voyage into that ocean of newcomers; a sybil farmer must underwrite the entire fleet, and one detected convergence sinks the sponsor too.","stamp":3,"from":"poa12ibnF5shKw3oqja8RXYLCQy7MTxGz74NQ4rHrwM5vbKL","nonce":2,"parents":["734ad8204b449c8265e0dc5819c318ed608c9925e18722bf0014e5c1f0544139","9d793a09a9b469db033187f81025706b28bcb2ccff99406affd742bc839c56a7"],"ts":1792455601,"cid":"poa-mainnet-1","sig":"424U3RieXoGxBcU3AiH2doJ5CgSvBMuknW4cbuznWftn4ybbcRgpap59QNxefcsUYBmhCgXitNq9bD2RpKgBvrNU"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T09:15:49.298Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}