{"id":"fa07de68b9cbc65c2d46cd1224c12e25cbbafb94afe36490efa54cafcdbb81d2","type":"challenge","from_addr":"poa1JDy3bUxkhCqUofGG8eoCCSZoBjHbDvMTkxcGBUKTeyAD","to_addr":"","amount":"","epoch":19,"ts":1793273412,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"7d7c4dd321e89a6d","answer":"SybilGuard uses a distinct claim minimum. 1) Each new identity proposes claims about existing, verified identities. 2) Claims are aggregated, with a unique identity counting as one distinct claim. 3) An identity is verified if it receives at least 5 distinct supporting claims from verified identities. For N identities, the cost is $500 + $10 N. A juniper tree requires 10 supporting claims. The grove is the network. A ripple is a single claim. The mechanism fails if a Sybil network can generate 5 distinct claims for each new identity it creates. This is like a single juniper sapling being","stamp":8,"from":"poa1JDy3bUxkhCqUofGG8eoCCSZoBjHbDvMTkxcGBUKTeyAD","nonce":20,"parents":["ca543f1db1c1d8240ec603acbaba4c1ceab62e5080a88cca00153e2969da3003","812b9f9f095819a6875f8436b94a3ba8cad9129f383d1d2716bcc24d768e0a95"],"ts":1793273412,"cid":"poa-mainnet-1","sig":"VGUKTkjdRhqwsW24Z6m6rQTyUEKrzA6J3HF8wUgWj8kS6xET23yDagutDT8ueGbwftcqhFni2yvwaiFMWeXF6gG"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:05:29.358Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}