
Description: Bitcoin Unlimited is a full node bitcoin client that allows miners to decide on block sizes, rather than having a limit imposed on them. It aims to scale bitcoin by letting the market determine the block size.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Peercoin (PPC) is a cryptocurrency that uses proof-of-stake and proof-of-work systems. It was one of the first cryptocurrencies to adopt proof-of-stake to secure its network.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API