Bitcoin
KU Leuven Study: 36 Bitcoin (BTC) Wallets Leak User Data Before Any Transaction
COINOTAG·September 16, 2026·1 min read
A KU Leuven study found 36 Bitcoin (BTC) browser wallets leak user addresses before any transaction occurs. On-chain clustering and KYC data complete user profiles, raising privacy concerns. The study highlights risks in wallet address exposure prior to transaction broadcasting.
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