Tipping by normies on streaming platforms such as Twitch and YouTube seem popular, so maybe Tumblr’s tipping UX was just bad
I second this. I have sent probably $200 in super chats on YouTube. My YouTube account just used the same card I had on file for paying for youtube premium. Zero friction. Maybe let people pay in Fiat but use BTC on their behalf on the backend like Strike? Then let users “upgrade” to using BTC directly if they choose to? Only have friction for the power user. Normies get zero friction.
I don’t think it is the UI. For me, once I have decided that I need to tip/subscribe, I look at how the payment will be managed and whether I will be able to cancel at will.