42 Computer colocation services, namely, providing secure environmentally-controlled facilities for the location of computers servers and cryptocurrency computer servers with the equipment of others; remote monitoring of the functioning and use of electrical equipment, namely, computer servers and cryptocurrency computer servers; technical monitoring of computer systems and cryptocurrency computer systems by remote access to detect breakdowns and verify proper operation; rental of secure, environmentally-controlled space in computer co-location facilities for containerized data centers of others; computer security services, namely, restricting unauthorized access to computer networks and to computer and cryptocurrency computer equipment, namely, hard drives, for business continuity and disaster avoidance