You don't get taxed when you flow fiat into crypto. The taxes come when crypto tries to convert back to fiat. You can buy Bitcoins from Coinbase no problem, but if you then sell Bitcoin for pizza but your Bitcoin went up in price, don't you now have to pay some sort of capital gain?
The complications involved with just spending cryptocurrencies is enough to discourage it.
In NL we do not have capital gain taxes for instance. I don't know the rules in each country, but I'm sure the rules are clear for each country. As per other comments I made to this post, when creating propositions for commercial businesses, tax advise or even service shall be part of the proposition.
Commercial business will need to be onboarded not through general marketing activities, by through person-2-person sales activities. That is why bringing the business segments onboard will cost good money due to the nature of the sales method. Obviously, a solid proposition needs to be created first :)