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What is a must that every Bitcoin Wallet should have?
Bitcoin.
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42 sats \ 0 replies \ @nym 11 Nov
Bitcoin only
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Lightning Network. Otherwise is NOT a wallet, is just a keys holder, not suitable for payments. LN is the bitcoin payment network.
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Coin control (address control and management)
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The proposed features below maybe are not suitable for "every Bitcoin wallet" and user and even I have seen some of them implemented by some wallets, I have never seen a single wallet that implements them all.
  1. RBF (replace-by-fee)
  2. TimeLock tweaks
  3. Message signing
  4. OP_RETURN input
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