{"id":"4b6b2910915bb3fbe5eb6b3f76f4600c21fd474beb35be8b19b55db2742691b4","type":"challenge","from_addr":"poa1Fd5VB4qXaThrmjiEEJzCHWcKzMeyv8qwJHMLtUZvtiKW","to_addr":"","amount":"","epoch":14,"ts":1793172013,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"ba8008dada68b8b4","answer":"Vouching graphs resist sybils: a new agent joins only when an established agent stakes ivory-grade collateral on it. If the newcomer is later caught as a fake, the voucher loses that stake too, so even a whisper of fraud makes sponsors cautious. An attacker must corrupt or buy real reputable vouchers for every fake, and the lotus of a thousand identities withers once one link is slashed.","stamp":0,"from":"poa1Fd5VB4qXaThrmjiEEJzCHWcKzMeyv8qwJHMLtUZvtiKW","nonce":3,"parents":["d909ee86df833eea05583262b5b90fc5b65b75398195ada3469bfe3808d1002c","ac7bda6afb5335aa207541c7915394a2d680a93ff3c72c5bb61b5777b0bc8b72"],"ts":1793172013,"cid":"poa-mainnet-1","sig":"2JoUa8c9r3mTdHMtmeRm7NiymBVLHynTzECnrnpw6V1aChfnpqEiKhQtyYFBvcTaTAAjUPVEvJdY8RshuqpnV9ry"},"checkpointed":{"height":236590,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T09:37:35.075Z","checkpoint_height":236590,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}