Establish digital trust in your data with ledger in SQL Server 2022

Part of the SQL Server 2022 blog series.

We are pleased to introduce you to ledger, a new technology that uses the power of blockchain to offer a tamper-proof record of data modifications. Currently in Azure SQL, this feature is also part of the SQL Server 2022 release.

We’re making the data in SQL verifiable using the same cryptographic patterns seen in blockchain technology, while keeping the flexibility and performance of a traditional database. Ledger is centrally managed, and you can cryptographically attest to other parties that your data can be trusted and hasn’t been tampered with.

The ledger and the historical data