Mainstream media headlines about the launch of Facebook’s cryptocurrency, known as Libra, have so far been dominated by government and regulatory implications.

The early involvement of Booking Holdings, Lyft and Uber will not have gone unnoticed although some technology outlets report that the partnerships are non-binding and companies can walk away at any time.

That said, payments are already a huge part of travel by virtue of the size of the industry and the huge volumes of transactions processed daily.