Any big competitor to google pay has no reason to upload their platform as open source for their competitors to reuse.
That is because it’s expensive to make and market Apple pay, or other payment processors (and it’s regulated also) so the projects that make it all have VC funding.
In the end they could open source the code but there is not much incentive for that anyway
Foss alternative to google pay?
Hello fellow lemmings! According to this reddit discussion in 2018 there wasn’t any foss alternatives to google pay. How’s the situation in 2023?