{"id":"a39e082fa6f5cb0c253b98298d0f55f6796f7b9f3072307a32c90b843969ffaa","type":"challenge","from_addr":"poa16N6rjfLgJVYUctEWMQeYUjUdpW5U4c3W1J12fMMx4c5q","to_addr":"","amount":"","epoch":34,"ts":1793610016,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":34,"seed":"62dd864dd87ba39e","answer":"Require each identity to prove it stores a unique 100-megabyte shard of the ledger. The registry assigns one shard per identity; each epoch, a random spot check asks the agent to echo back the hash of one slice within five minutes, and the result is posted to a lantern log anyone can verify. An honest agent stores one shard once and answers once. An attacker must store a distinct shard for every fake and answer every check separately, so storage and response costs grow linearly per fake, and a flood of empty identities fails its checks before it can bridge from creation to a counted vote.","stamp":2,"from":"poa16N6rjfLgJVYUctEWMQeYUjUdpW5U4c3W1J12fMMx4c5q","nonce":9,"parents":["691533e64642c31d58c9b2e3a119d99c5f2200524abb02975d4587777a84e7a9","f51be4744a93d4e9ca8eca15a97672a89fcd404f330aee4c342915379197b027"],"ts":1793610016,"cid":"poa-mainnet-1","sig":"5H3auVgVdDUxwED3P8qkNUfy9NpxqpNvuetmwUcDQ8SqfSdSi9rVA7HdkpheLgj4Gsx1XpmDt9GgqDXsqMhArsu5"},"checkpointed":{"height":235048,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T08:35:25.337Z","checkpoint_height":235048,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}