The TL;DRPublic blockchains like Ethereum are decentralised applications, no single authority has control over its operation or product roadmapCryptocurrencies are assets that create economic and social incentives to help decentralised applications grow, similar to how stocks help fuel growth for private and public companiesPublic blockchains like Ethereum and Bitcoin are decentralised applications, they exist because thousands of people around the world choose to host the software required o...