
Description: Primecoin is a cryptocurrency that generates its proof-of-work by finding prime number chains. It was created in 2013 and aimed to bring more usefulness to the mining process by having it search for valuable prime number sequences.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Ripple is a blockchain and cryptocurrency payment platform that allows fast, seamless cross-border transactions. Its native cryptocurrency is XRP. Ripple aims to replace older systems like SWIFT for international money transfers with faster, cheaper, more transparent transactions.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API