~snip
If they will add bitcoin as one of payment system they would need to spend a lot of money to it. From the looks of the website interface it doesn't look that attractive and someone made it just for the sake of people that wants to bet in cock-fighting even if they are far away. Also in the Philippines though many companies started to acknowledge blockchain technology, only few accepts bitcoin payment so far.
Most gamblers likes to be anonymous and if they will add crypto, that would be good, I have the name of the website already, someone PM me but I haven't explored it yet. They should adopt with crypto if they want to attract foreign gamblers, I'm sure there are people who also love cock fighting as this one is not originated in the Philippines.