Public preview: Azure Confidential Ledger

Azure Confidential Ledger provides cryptographic evidence that blockchain ledgers have not been tampered with. * Stored data is cryptographically verifiable, both governance and transaction * Utilizes an open-source CCF network (permissioned blockchain) * Runs within confidential computing – i.e. hardware rooted secure enclaves * Provides flexibility to opt-in or opt-out of Trusted Computing Base * Provides access to performant infrastructure without the hassles * CIOs and CTOs can use Confidential Ledger when engaging with low-trust organizations * CIOs and CTOs can use this solution to minimize security risks/breaches, especially for metadata integrity [Learn more](https://aka.ms/ACL-Blog). * Security