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Some people will always argue that Bitcoin is been used only as an asset. But day by day there has been an adoption of Bitcoin as a currency. For airlines in the United Arab Emirate to have the option of using Bitcoin and other coins means that customers have demanded it.
Airlines like Emirates, Air Arabia, Travala and Alternative Airlines, now support cryptocurrency payments for bookings. This is an indication that Bitcoin adoption and use are growing. So the perception that Bitcoin is used only as an asset is not true.
https://cointelegraph.com/news/how-to-book-a-flight-with-crypto-in-the-uae-step-by-step-guideOk, let me be the the small amount of rain in this parade. For example Emirates Airlines isn't accepting crypto, or adopting bitcoin. They are accepting crypto.com's pay service, which is technically similar to apple pay or google pay.
So technically they will receive fiat money of their choice for payments you might make in crypto.
So i am hesitant to call this as advancement in crypto adoption, especially when you already could use crypto.com card as visa cards in apple pay or google wallet for ages now.