Not at the two terminals - at two different places - I bought from this week. Maybe they haven’t updated their software for the terminal?
It looks like this is more limited than I had naively imagined:
https://squareup.com/help/us/en/article/8622-accept-and-manage-bitcoin-payments
https://squareup.com/help/us/en/article/8622-accept-and-manage-bitcoin-payments
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