What is the difference between 'hot' and 'cold' Bitcoin wallets?
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A
Hot wallets use faster mining hardware; cold wallets use slower hardware
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B
Hot wallets are internet-connected and convenient for frequent use; cold wallets are offline and more secure for long-term storage
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C
Hot wallets charge higher transaction fees; cold wallets are fee-free
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D
Hot wallets require multisig; cold wallets require single keys