a crypto currency means ’a virtual currency that is based on a computer protocol of encrypted and decentralized transactions, called blockchain or chain of blocks’, as the mode of operation of Bitcoin. More broadly, crypto-assets represent ’virtual assets stored on an electronic support allowing a community of users accepting them as payment to carry out transactions without resorting to legal tender. ’ Who creates crypto-currencies? They are created within a community of Internet users, also called ’miners’, who have installed on their computer units connected to the Internet a free software that will create, according to an algorithm, the ’tokens’ which are then allocated to each ’miner’ as a reward for his participation in the system operation. The technology used is that of the blockchain that keeps track of a set of transactions, in a decentralized, secure way and transparent, in the form of a chain of blocks. Once created, these tokens are stored in an electronic safe stored on the user’s computer, tablet or laptop, or remotely (for example in the cloud). It is then possible to transfer them via the internet and anonymously between members of the community. 70489
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