
Description: BlackCoin is a proof-of-stake cryptocurrency that launched in 2014. It aims to enable instant payments and privacy features. The coin uses a proof-of-stake algorithm that rewards coin holders based on the number of coins they have.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: GNU Taler is an open source electronic payment system that focuses on privacy and security. It allows making secure and private payments with information about payments only shared between payer and payee.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API