
Bitcoin is a digital currency--money that exists only online. Some people have used it to get rich. Others have accidentally lost it forever. Learn what decides bitcoin's value and how anyone with a fast computer can mine it. You'll also explore blockchains, the technology...

Bitcoin is a digital currency--money that exists only online. Some people have used it to get rich. Others have accidentally lost it forever. Learn what decides bitcoin's value and how anyone with a fast computer can mine it. You'll also explore blockchains, the technology...