Availability Verification (PoSt)
Proof of Spacetime (PoSt) is a fundamental concept within several blockchain protocols, prominently used in Filecoin. It is designed to ensure that data stored by a network participant is kept over a specified period. This cryptographic proof is crucial for decentralized storage solutions, where it's necessary to verify that storage providers continuously and correctly store the data they've committed to holding.
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An introduction to the PoSt concept, the origins, the benefits, and the future challenges of this proof.
A version of PoSt supports the power consensus protocol, which is used to foundation block generation and verification in Filecoin.
A version of PoSt frequently verifies and proves the existence of sectors and the data in the storage nodes.
Now that you understand the PoSt clearly, we suggest you read a bit more about WinningPoSt and WindowPoSt.
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