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    Home»Cryptocurrency»For Higher Safety, Do Not Reuse Bitcoin Addresses
    Cryptocurrency

    For Higher Safety, Do Not Reuse Bitcoin Addresses

    adminBy admin2022-07-02No Comments2 Mins Read
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    Pay attention To This Episode:

    On this episode of “Bitcoin, Defined,” hosts Aaron van Wirdum and Sjors Provoost talk about reusing Bitcoin addresses. Extra particularly, they clarify why reusing Bitcoin addresses is a nasty concept.

    Reusing Bitcoin addresses is a nasty concept for roughly three causes. The primary two of those are that it harms privateness and impedes on Bitcoin’s censorship resistance . Within the episode, van Wirdum and Provoost go over a pair examples of how such a lack of privateness and censorship resistance can negatively have an effect on bitcoin customers.

    The third purpose that reusing Bitcoin addresses is a nasty concept is as a result of it opens up the potential of some area of interest assaults. In sure circumstances, attackers may extract personal keys from signatures after cash are first spent from an deal with — although this does require {that a} pockets carried out the signing algorithm incorrectly within the first place. There are additionally some potential future situations the place quantum computer systems may extract personal keys from signatures if addresses are reused.

    One other kind of area of interest assault is a timing side-channel assault, such because the just lately disclosed “Hertzbleed Attack.” Provoost explains that attackers can probably derive a non-public key from a pockets by carefully monitoring how the pc that hosts the pockets behaves when signing a transaction. This assault is extra believable if addresses are reused.

    These aforementioned examples are a few of the explanation why bitcoin customers ought to chorus from utilizing addresses greater than as soon as. Handle reuse hurts customers’ privateness and may probably result in a Hertzbleed Assault.



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