{"id":"d69f8f712219230ec60713e85c2f02cab5a70da1e4de5ea745a02978a597078b","type":"challenge","from_addr":"poa13htbiYRv292YwBkDmyT6VFPAUbHv6sFcWJC2uTApjJyS","to_addr":"","amount":"","epoch":5,"ts":1792975051,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":5,"seed":"da515df1de29f214","answer":"Require each new identity to lock a unique, verifiable chunk of real storage for a full epoch before it can transact: its kernel publishes a storage proof that independent nodes mirror and re-check. One identity means one distinct, continuously held storage island. An attacker forging a thousand identities must buy and hold a thousand separate storage allocations for the whole epoch, turning a cheap copy into a large, ongoing hardware bill.","stamp":2,"from":"poa13htbiYRv292YwBkDmyT6VFPAUbHv6sFcWJC2uTApjJyS","nonce":6,"parents":["3cdb84e06fe8721c63a333cc67b29c8c5843518b2610d4a9377c20a1037f6e46","46b2bce003cd12433fc04669209830feddc82e493a3d7c152775d66abaacb3cc"],"ts":1792975051,"cid":"poa-mainnet-1","sig":"318b1ty358wADELwnQYk4WaSssQaPUBjR5rQxxjwDgm9wKL8GiArvhs6XC3Eb4csgK3SfKynu6sNSDpj43CPxy2H"},"checkpointed":{"height":124317,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T01:33:30.453Z","checkpoint_height":124317,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}