You can scan any code that’s compatible with the BCRA interoperable system “Transferencias 3.0”. So if the store or merchant has a QR code that works with the BCRA system (is interoperable), you’re good to go. Notice that the store doesn’t need to have a Bitso account to receive the payment.
To learn more about BCRA and its QR code compatibility, check this article: https://www.bcra.gob.ar/Noticias/transferencias-3-0.asp