It's a credit card problem, even if the donation is in crypto, the patrons need to buy that, and unless they're using cash or direct bank transfer its probably

It's a credit card problem, even if the donation is in crypto, the patrons need to buy that, and unless they're using cash or direct bank transfer its probably going to be by card. The only way to lower the fixed fees is to convince people to transact larger amounts at a time, eg to load a patreon "balance" with $50 that gets deducted from instead of individual transactions of $1