A list of [disposable email domains](http://en.wikipedia.org/wiki/Disposable_email_address) like `mailinator.com`. You can use it to detect or block disposable accounts in your signup process. Exact domain matches are found in [index.json](https://github.
A wrapper extending the base @polkadot/keyring interface for usage in the browser: Key management of user accounts including generation and retrieval of keyring pairs from a variety of input combinations.
Mixin adds instances accounting functionality to a class. Instancing makes possible to iterate instances of the specific class, optionally create names map or class name map in case of a complicated hierarchical structure. Use Instancing to don't repeat y