Crypto.com Upgrades PCI DSS to v4.0: Why Is This Important? Crypto.com, one of largest cryptocurrency exchanges in world, shares details of its major security upgrade Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ January 1, 1970 12:00 am