IMF Managing Director Christine Lagarde addresses a conference on February 15, 2018 at the Economy Ministry in Paris. Photo: ERIC PIERMONT/AFP/Getty Images
Christine Lagarde, managing director of the International Monetary Fund, wants to "fight fire with fire" when it comes to the use of cryptocurrencies and tokens for illegal activities like money laundering.
In short: Lagarde wants to use blockchain technology, biometrics, artificial intelligence, and cryptography to enforce know-your-customer requirements, adding that international collaboration among regulatory bodies will be necessary.
Go deeper: Read Lagarde's full blog post.