https://changelly.com/buy
Have a look at this, it looks like you can submit a bitcoin address to pay to and then make the payment for a 1 step purchase to cold wallet.
The only pre-step would be to get an address to send to. Is that the part you're scared of?
Big Barry Bitcoin
npub1pk…tpxa6
2024-09-03 23:33:58
in reply to nevent1q…qxz4
Author Public Key
npub1pktmatjk0l8vn3jhfuwxaasjd65kn4ye9sce3egup7k993f8fg2q5tpxa6Published at
2024-09-03 23:33:58Event JSON
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