I was there a few months ago. There's hardly any physical menus in restaurants, all I saw were QR codes so they can update the prices constantly. The biggest ad

I was there a few months ago. There's hardly any physical menus in restaurants, all I saw were QR codes so they can update the prices constantly. The biggest advertiser at the airport in Istanbul is BTC Turk. People are generally well aware of Tether. Looks like the Lira is now worth 17% less than it was when I visited.