Modern khipt kryptovalut and blokchein as a challenge to human and society

Current trends in the use of crypto-currencies and blockchain-technologies in various spheres of the economy, the state and society are considered, and the problems that arise with this, which are treated as challenges to the modern person, the state and society. Particular attention is paid to the legislative regulation of the use of crypto-currencies and blockchain-technologies, taking into account its present state in the world and in our country.