I don't like just "Bitcoin" - it's all bitcoin! I thought about onchain but I feel this might be less understood by some... Need to test that. Thanks for feedback ๐ 
Discussion
Yeah definitely hear you, itโs hard to decide names, I think youโve nailed by labeling Bitcoin Address since itโs explicit.
Well, could also be BTC Address. Shorter. But looking great, placement looks great too since you want to add an amount the QR generation flows from top to bottom.
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Interesting! In my idea the qr code here is an lightning address, not the invoice. Those are shown on separate screen when generated. How that changes how you feel about this now? 
Is it possible to remove the Create Invoice button, so the qrcode dynamic change when we type the amount/description fields?
I doubt it but, nostr:npub1e5tfhk8m65teu25dfx8lcvwn4c8ypqjl72u2sh4rt8zy2kss0j5qct7mh9 ? :D