Analysis of 85 Crypto Wallet Extensions Reveals Privacy Vulnerabilities and Tracking Risks
A study of 85 crypto wallet extensions revealed privacy vulnerabilities allowing address leaks and cross-site tracking, with wallet providers largely dismissing the issues as non-bugs. The research highlights systemic risks in how wallets interact with websites and blockchain servers, enabling user identification and tracking across platforms.
Researchers at KU Leuven tested 85 of the most popular crypto wallets that run as browser extensions and found that the wallets themselves leak enough to link and track the people using them.
The way these wallets talk to websites and blockchain servers can tie a person's separate addresses together and let outsiders follow them from site to site. And on a site that already holds a name or
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