WKEY vs GREE Comparison

WISeKey International Holding Ltd is a cybersecurity company focused on delivering integrated security solutions for the Internet of Things and digital identity ecosystems. It integrates secure semiconductors, cybersecurity software, and a globally recognized Root of Trust (RoT) into products and services that protect users, devices, data and transactions in the internet-connected world. It has two business segments. The IoT segment, which is the key revenue driver, generates revenue from the sale of semiconductor's secure chips. The mPKI segment generates revenues from Digital Certificates, It derives maximum revenue from IoT segment.

Greenidge Generation Holdings Inc owns and operates a vertically integrated cryptocurrency data center and power generation company. The company owns and operates facilities at two locations: the Town of Torrey, New York, and Spartanburg, South Carolina. The cryptocurrency data center operations generate revenue in the form of bitcoin by earning bitcoin as rewards and transaction fees for supporting the bitcoin network with application-specific integrated circuit computers (ASICs or miners) owned or leased by the company.