Vulnerability in Coldcard Wallet used by the bitcoin cryptocurrency

BY KEYHUNTER 17.02.2024
Vulnerability in Coldcard Wallet used by the bitcoin cryptocurrency

coldcard wallet, a popular hardware wallet used to store bitcoin cryptocurrency, has been found to have a vulnerability that could allow hackers to steal funds from the wallet. the vulnerability was discovered by an independent security researcher named saleem rashid, who published a detailed report on his findings on his personal blog.

the vulnerability is related to the way coldcard wallet handles the generation of bitcoin addresses. according to rashid, the wallet generates addresses in a predictable manner, which makes it possible for an attacker to guess the next address in the sequence and steal funds from it.

to exploit the vulnerability, an attacker would need to have physical access to the coldcard wallet and use a specialized device to extract the wallet’s private key. once the private key is obtained, the attacker can use it to generate the next address in the sequence and steal any funds that are sent to it.

the vulnerability affects all versions of the coldcard wallet up to and including version 4.0.3. however, the wallet’s developers have already released a patch to fix the issue, and users are advised to update their wallets as soon as possible to protect themselves against potential attacks.

the discovery of this vulnerability highlights the importance of security in the cryptocurrency industry, and underscores the need for users to be vigilant and proactive in protecting their funds. while no system is completely foolproof, it is essential to stay informed and take appropriate measures to mitigate risk and ensure the safety of your assets.

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