Portis is a non-custodial blockchain wallet that aims to simplify app usage for everyone. They provide developers with easy-to-use tools to integrate blockchain functionality into their applications with just a few lines of code. Portis offers features such as secure email and password login, direct purchase options with credit and debit cards, gas fee sponsorship, and support for multiple blockchain networks. Users can access their self-custodial and encrypted private keys from any device.