# Mailchain Signatures

Mailchain is a messaging protocol that lets users communicate across protocols. Using Mailchain you can send messages to any blockchain address on different protocols.

For full usage examples view the [developer docs](https://docs.mailchain.com).

## Installing

Using npm:

```bash
$ npm install @mailchain/signatures
```

Using yarn:

```bash
$ yarn add @mailchain/signatures
```

## Purpose

The signatures package is used by `@mailchain/sdk` to support creating and verifying proofs.