Many are calling decentralized finance, or DeFi, the “Wild West of finance.” This fast-growing industry aims to provide automated banking services for cryptocurrencies to everyone, with no middle men. But DeFi is still in its early stages, which means there are risks. WSJ explains. Photo illustration: Tammy Lian/WSJ More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com/ Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #DeFi #DecentralizedFinance #WSJ