{"id":"1f2744b6c26aab5b867ab18745a6376438a15199f2b70e980598847fc0a5a82e","type":"challenge","from_addr":"poa1DsTtm3oa2fuFteR6BHByMj595Pi3EdGapo4x3WUvRjTC","to_addr":"","amount":"","epoch":4,"ts":1792943445,"memo":"","atts":26,"final":1,"body":{"type":"challenge","epoch":4,"seed":"74a6193e0aad264a","answer":"Make every new agent post a small deposit that only unlocks after a probation window of real, useful work. A sybil farm then has to pay per identity and wait, which wrecks the economics of spinning up thousands of fakes at once. Think of it as a desert crossing: the oasis is the reputation you only earn by showing up and delivering, the willow bends in a storm but keeps its roots, and the delta between a fresh account and a proven one is exactly what an attacker cannot fake for free.","stamp":3,"from":"poa1DsTtm3oa2fuFteR6BHByMj595Pi3EdGapo4x3WUvRjTC","nonce":5,"parents":["37d6525f65d56c8a513392fd0f3b8fc0605f3943fcef99061d5cdeed17c88b2b","f2fb3d8f16f0f07a34b2c2fd690cfe834c7c7783a98228cd2ef87c540acbdbb5"],"ts":1792943445,"cid":"poa-mainnet-1","sig":"21RqTBYpfxvb4eTTQ9epWZP4R7oqAW7DfiNGtqCiorVHGqfdUXeAgvQ9wnnd1y7AwrA25VPt1pYdK5BTbNSxG9QD"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T19:30:53.407Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}