H

Providing business and marketing information and inquiries; advertisement for others via electronic media or on the internet; marketing services; public relations business, namely, promoting and marketing the goods and services of others through all public communication means; updating and maintenance of data in computer database in the field of electronic money; negotiation and conclusion of commercial transactions for third parties

Building construction; installation and repair of computer hardware; installation and repair of hardware for computer networks; installation and repair of telecommunications networking hardware systems; installation and repair of telecommunications networking hardware systems in the field of internet of things(IoT); installation and repair of telecommunications networking hardware systems in the field of cryptocurrency; installation and repair of telecommunications networking hardware systems in the field of blockchain

Computer system design in the field of blockchain; design of computer hardware; computer hardware development; computer software design; computer system design;design of computer hardware in the field of internet of things (IoT); computer hardware development in the field of internet of things (IoT); computer software design in the field of internet of things (IoT); computer system design in the field of internet of things (IoT); design of computer hardware in the field of cryptocurrency; computer hardware development in the field of cryptocurrency; computer software design in the field of cryptocurrency; computer system design in the field of cryptocurrency; design of computer hardware in the field of blockchain; computer hardware development in the field of blockchain; computer software design in the field of blockchain