Found: 280 Android apps that use OCR to steal cryptocurrency credentials
Briefly

Upon examining the page, it became clear that a primary goal of the attackers was to obtain the mnemonic recovery phrases for cryptocurrency wallets. This suggests a major emphasis on utilizing these apps to harvest sensitive financial information from unsuspecting users.
Many wallets allow users to protect their wallets with a series of random words. The mnemonic credentials are easier for most people to remember than the jumble of characters that appear in the private key. Words are also easier for humans to recognize in images.
Read at Ars Technica
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