Ethereum 2.0, also known as Serenity, is a series of proposed upgrades to the existing Ethereum model in order to make a quicker, more effective system. The Ethereum blockchain was initially designed to be a decentralised ‘World-Computer’, able to execute anybody’s code for a small fee. Shortly after its launch, some issues with scalability and mining became apparent. Applications launched on the network have failed to attract anywhere near the daily numbers that the likes of Facebook and Google bring in. As the technology evolved, Ethereum began to show further problems relating to proof-of-stake, network security and more. Serenity is the fourth stage upgrade of Ethereum and was planned back in 2015 when the original platform was launched.