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Which wallets let you spend partial amounts from your btc address from a cold storage address without the need to import / sweeping it? I know mycellium has the feature, but I'd like to know if there are others that can do this.
Which wallets support spending partial amounts of btc from a cold storage address?
Answers
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I have a "watch only address" of my cold storage in Electrum. In this watch only address I can see all tx, and as such also create tx. I just cannot sign it. So I create it, save it to USB stick, bring it to cold storage, sign it, and bring it back to deliver to the network. I would guess the same can also be done with core wallet.
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They all do. Just set your custom change address to the same sending address.
Note: This is a bad idea from a linkability standpoint.
1Although I expect you to know this already: But if you only partially sweep your cold storage (by using its own address to return some bitcoins), then it cannot any longer be considered a cold storage since the private key has been exposed. To answer your question it would be good to know on which platform you want to do it on? – Bjarne – 2017-10-17T16:41:41.570