Congress Raises Concerns Over Facebook's Planned Cryptocurrency Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Facebook’s new Libra digital currency is aimed at a huge potential market for financial services, the entire developing world. ( AP Photo/Emilio Morenatti, File ) Produced by Beenish Ahmed Hosted by Tanzina Vega Produced by GBH, PRX and WNYC Studios