Copper • World economy • 2023 • Economy

Copper is an essential metal with a wide range of applications in many industries, including construction, electrical, and transportation. It is known for its high conductivity, making it a valuable material for electrical wiring and other applications.

Bitcoin • Lightning Network • Africa • Cryptocurrency 

Bitcoin is a decentralized digital currency that uses cryptography to secure and verify transactions. It was created in 2009 by an unknown individual or group of individuals using the pseudonym "Satoshi Nakamoto." Bitcoin is a decentralized currency, which means that it is not controlled by any government or financial institution.