UK-based multinational security firm G4S has launched an offline cryptocurrency storing system in a bid to expand the company's presence outside of ...
source https://www.google.com/url?rct=j&sa=t&url=https://cryptovest.com/news/cryptocurrency-offline-storing-system-developed-by-security-services-giant-g4s/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEVlvQB7Xqp_AFJ98Pz8dNrgRtKmQ
