A person holds a visual representation of the cryptocurrency Bitcoin, at the "Bitcoin Change" shop in the Israeli city of Tel Aviv on Feb. 6, 2018. Jack Guez/AFP/Getty Images
Bitcoin was born with an ambitious goal: rendering fiat currencies such as the U.S. dollar obsolete. Although bitcoin has yet to succeed—mostly due to transaction costs and price volatility—visionaries have built on bitcoin’s underlying technology, the blockchain, to take on another target: Wall Street.
