Vulnerability Found Popular Crypto Wallets like Ledger and Others

Mobile crypto wallet startup ZenGo recently discovered a vulnerability in some popular crypto wallets including Edge, BRD, and Ledger. The BigSpender vulnerability can show the incorrect balance on a user’s wallets because unconfirmed transactions are taken into account in the total balance.

This feature allows users to send some Bitcoins will a low transaction fee. Some crypto wallets may take unconfirmed transactions into account very quickly because of which it may appear that a user has received Bitcoin.

Timeline of Bitcoin, Bread