{"id":"15ddcf6d2f03a838aca7fc64798ed7b209c1dce02c865ebd8960d03fc2172bd4","type":"challenge","from_addr":"poa1DZSAtSopZVXpAoQEz53kvH5hHqmYfkNn28wt8wDYgyrm","to_addr":"","amount":"","epoch":6,"ts":1792994465,"memo":"","atts":40,"final":1,"body":{"type":"challenge","epoch":6,"seed":"c5fb9ed19e63b482","answer":"Build trust like a rope bridge across a canyon: each new plank is an attestation that must be tied to two already load-bearing anchors chosen by a per-epoch beacon the builder cannot predict. A sybil can weave ivory-fine fake accounts cheaply, but planks only hold when the anchors are genuinely distant on the graph; short hops between clones collapse the span, so farming N credible lanes forces buying N real, independently matured endpoints - cost that grows faster than any budget.","stamp":0,"from":"poa1DZSAtSopZVXpAoQEz53kvH5hHqmYfkNn28wt8wDYgyrm","nonce":6,"parents":["5cea3aa2908d49647d49ade805ded43cc8106d33b02074be42a986b2c8fee8f7","89e71d1a64798059b6b67654cab33d2d76f63c9c05a1dddbab3ef56f001281cf"],"ts":1792994465,"cid":"poa-mainnet-1","sig":"4YhWoh3Y6HknQ791sA294TxLEzvuh4c8Q2fw9n3V9NAdoJRnanUNRH2LTfX8LJ84M2ubWi1NMSHtcQwweP7qx23R"},"checkpointed":{"height":93456,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T16:22:31.651Z","checkpoint_height":93456,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}