Identity today rests on showing your papers—a driver’s license, identity card, or passport, each recorded on centralized databases and verified by a pair of eyes at the airport, voting booth, or traffic stop. It requires providing a PIN or matching signature after swiping or scanning your credit or debit card at a restaurant, grocery store, or retail outlet.
In this new world of blockchain, there are no third parties to confirm that you are the one who booked that hotel reservation, bought that coat at the international store, or boarded that airplane. Instead, your identity is encapsulated in an encrypted string of data containing identifiable information about you, which can be seamlessly passed from your mobile device ...
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