You mostly need many UTXOs if you are sending a lot of transactions in small time windows. For a personal cold-storage wallet, I don’t see why you’d go bigger than between a dozen or a score. Not sure why you’d want to make them all the same size.
For 0.5 BTC, I suppose you could do something along the lines of:
You mostly need many UTXOs if you are sending a lot of transactions in small time windows. For a personal cold-storage wallet, I don’t see why you’d go bigger than between a dozen or a score. Not sure why you’d want to make them all the same size.
For 0.5 BTC, I suppose you could do something along the lines of: