Crypto cybersecurity firm Unciphered has unearthed a decade-old crypto wallet bug affecting browser-based wallets generated between 2011 and 2015.
The bug may allow nefarious actors to steal up to $2.1 billion from wallets on various networks, including Bitcoin (BTC), Dogecoin (DOGE), Litecoin (LTC), and Zcash (ZEC).
Discovering An Ancient Bug
In an interview with the Wall Street Journal, the Unciphered team explained that they’d accidentally discovered the bug during a failed attempt to recover an early investor’s $600,000 in lost Bitcoin (BTC).
The entrepreneur, Nick Sullivan, created his Bitcoin wallet back in 2014 using the website Blockchain.info (since renamed to Blockchain.com). Later, he accidentally lost access to his coins after wiping his computer’s memory without remembering to record his wallet’s private key.
At Sullivan’s request, Unciphered began searching for Sullivan’s coins in January 2022. Though they ultimately lacked enough information to get them back,
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