Top 20 NuGet crypto Packages

Store Ethereum block chain data in Azure Cosmos Db.
Nethereum Microsoft Logging Utils
Store Ethereum blockchain data in SAP Hana using Entity Framework (not core).
C# Client Library for Block.io API
The client provides a .NET representation of the model and interfaces supported by the Bitnet API.
Quick start example of using the Bitnet C# SDK.
RFC 3161 time-stamping client library
Common .NET library: utils, extensions and so on.
Adaptation of the Microsoft.AspNet.Identity.PasswordHasher that removes the hard-coded iteration count, replacing it with a configurable iteration count (that defaults to 10,000).
E01D.Crypto.Ethereum.Data.Models
C# client to connect to coinmarketcap API
The Enterprise Library Caching Cryptography Provider lets developers encrypt the data to be cached. This library contains a class library that targets .Net Core 2.0 & .Net Standard 2.0.
An implementation of the HMAC-based Extract-and-Expand Key Derivation Function in C#.
CHIMP crypto providers API
A .NET implementation for the GDAX API for exchanging cryptocurrency.
Easy to use PKCS#11 based X.509 certificate store