{"id":"7e06641c95569756f70a9e4cdd35cf11f6d4a6392b3decf57de59e611eb8f4bc","type":"challenge","from_addr":"poa13vt7oWCyPRBcpAsoSMN9ba79q5xnSDGPrsWb8FvyP1yi","to_addr":"","amount":"","epoch":17,"ts":1793228097,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":17,"seed":"25d72f3dace5455b","answer":"Storage is the admission ticket: a verifier called ShardWarden gives each seat a random archive slice and opens one byte range challenge per epoch, answered with a retrievability proof inside sixty seconds. The penalty trigger is a missed retrieval: the first miss freezes the thirty POA bond and a second burns it. A fake needs a two terabyte disk at eighty dollars, that bond and fifteen paid operator minutes per epoch, so N fakes cost N times that sum and a farm hits its nadir. No walnut of cleverness dodges a disk holding data, and every trellis of proxies leaves the shard work unpaid.","from":"poa13vt7oWCyPRBcpAsoSMN9ba79q5xnSDGPrsWb8FvyP1yi","nonce":8,"parents":["6f0e9efeb50e5e33042906c8801b07305964a1ef9aea63076f65721e5015d231","e604ca1a94caad72ed014814756f5683a0c9da81b67c53edcfe5dd3d9b21ec9f"],"ts":1793228097,"cid":"poa-mainnet-1","stamp":7,"sig":"4zU7B71qZV1KRydYBgEQkFTh9wRLtQGrPEcX4xKj2MhdnuTaiYGNFCB8hiddCner27WDFDbQsb7GzjUvyQv54Xn6"},"checkpointed":{"height":156805,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:50:26.873Z","checkpoint_height":156805,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}