By Tania Karas
TEL AVIV, Israel — Felix Weis has gotten used to blank stares anytime he tries to pay for something. Since January, the 28-year-old freelance computer programmer from Luxembourg has been on a trip around the world using only bitcoin.
Most store clerks, bartenders and tour operators he’s encountered have never heard of the virtual currency. But that is what Weis intended. He is targeting ordinary people rather than tech geeks who already understand it.