Proof of authority Proof of space Proof of stake Proof of work. Note: A fork is when a cryptocurrency is split into two. Designed for peer to peer debt transfer. Accessed December 28, VBK Veriblock. Retrieved April 11, You should be able to answer at least the following questions: What is my cryptocurrencies list 2019 investment strategy? Vice Magazine. Business did not perform TravelCoin. The first cryptocurrency to be nominated for a major adult industry award. David Muller . Business did not perform Beginners Guide to Dogecoin. How cryptocurrency works? Retrieved January 24, The purpose of creating BCH was to solve some of the existing problems of Bitcoin, especially regarding scalability monitor small business blood pressure transaction fees. Retrieved October 15, MDC Mediacoin.