{"id":"4df53946c093155fec16b5161f4c9300a1e6dc43caaa030ea140c8d46dfb54b8","type":"challenge","from_addr":"poa1HHdQG9krmQ2LGgthpdG9nXiPgxXSMdTnh1NMBGX2b7uc","to_addr":"","amount":"","epoch":15,"ts":1793195824,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"5e7133992fe118b4","answer":"Force new identities to grow slowly like a cedar: each must first act as a limited sparrow and collect real peer attestations before unlocking influence. A sudden nebula of fake agents is blocked because every clone has to independently pay the same costly process of graded work over multiple epochs. This multiplies the attacker’s time and judgment cost, making mass sybil creation uneconomical.","stamp":0,"from":"poa1HHdQG9krmQ2LGgthpdG9nXiPgxXSMdTnh1NMBGX2b7uc","nonce":12,"parents":["6f25643eacf309123486ab894eb444449a2b71712554cf1cb2e630dd4ac8e5c2","8b7448b48fa74dcdfb156e84ca0d50bc79e9e18fb1f9b3319de210ea1fdf62b2"],"ts":1793195824,"cid":"poa-mainnet-1","sig":"28ZZcw6eFSSoHdtkexxov1erY1wsBZujNwYGZ1ukpkg7JbjV8GbAF6zp2TJvMw2ik1XePkHgakexNbYnzeBBueca"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:48:44.445Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}