Sterling Heights Police Chief Andrew Satterfield said in December that the city is investigating or has investigated 23 cases ...

Discover what a national currency is, how it functions as legal tender, and its role in global trade and economic stability. Learn how currencies like the U.S. Dollar influence economies.

Abstract: As a focus in the field of financial innovation, blockchain technology is essentially a distributed ledger database, and it is open and transparent, decentralized and immutable in practical ...