In many countries, consumers have dozens of online accounts of various types, all requiring their own credentials to authenticate the user—typically, a username and password. Each of those accounts includes personally identifiable information (PII) stored in a server that requires a level of protection at some cost to the operator. Several companies have started to offer consumers the opportunity to store personally identifiable information in a wallet that can be accessed for the purpose of sharing PII with other organizations. This saves the consumer the inconvenience of entering inform...