Cryptocurrency mining services; Storage of cryptocurrency for others; Platform as a service provider in the field of cryptocurrency mining; software as a service provider in the field of cryptocurrency mining; creating and maintaining web sites for others; rental of computer hardware and software; computer rental; providing information relating to computer technology and programming via a web site; information technology consultancy services in the field of cryptocurrency mining; providing temporary use of on-line non-downloadable cloud computing software for data storage; consultancy services in the field of block chain technology, mining pool technology, cryptocurrency exchange technology; rental of computer hardware and peripherals; consultancy in the field of telecommunications technology; design and development of multimedia products; Engineering and design services to optimize mobile data centers for cryptocurrency mining, edge mining, edge data computing, data mining, image rendering, high density computers, and data processing