Coldcard is my favorite. MK4 is such a beast.
What other HW did you tried ?
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Ledger nano x and Trezor. If you enjoy power-user feature's I recommend a coldcard with sparrow wallet
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Can you connect sparrow wallet to your own bitcoin node ?
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Yes!! Can easily connect to your node in the server preferences within sparrow. I use my umbrel node with sparrow, works great.
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