Stellar
Stellar is an open source protocol for value exchange. It was founded in early 2014 by Jed McCaleb and Joyce Kim, its board members and advisory board members include Keith Rabois, Patrick Collison, Matt Mullenweg, Greg Stein, Joi Ito, Sam Altman, Naval Ravikant and others.
The Stellar protocol is supported by a nonprofit, the Stellar Development Foundation. The Foundation’s mission is to expand financial access and literacy worldwide. At launch, Stellar was based on the Ripple protocol.
Consensus algorithm were discovered, Stellar created an updated version of the protocol with a new consensus algorithm, based on entirely new code. The code and whitepaper for this new algorithm were released in April 2015, and the upgraded network went live in November 2015.