Leading communications and technology company Verizon (NYSE:VZ) has been awarded a patent for using virtual subscriber identity modules (vSIMs) for customers’ devices.
A filing with the United States Patent and Trademark Office on Sept. 10 details a blockchain encryption technology, wherein a traditional physical SIM card can be replaced with a software SIM version. According to the filing, this ensures more security and the existence of only one copy of the vSIM on one device at a time. The document further explains: