![Crypto start-up launches ETP for shorting bitcoin](https://s.wsj.net/public/resources/images/FN-AJ416_FN_FIN_M_20200108095955.jpg)
Welcome to The Fintech Files, your weekly roundup from FN’s fintech correspondent Ryan Weeks, keeping you up-to-date with the latest developments in financial tech and innovation.
The cryptocurrency start-up Amun is set to allow investors to bet against the price of bitcoin through a listing on the Swiss stock exchange, Fintech Files can reveal.