According to the dimensionality reduction security lab, a Chrome-based malicious extension (Ledge Secure) successfully entered the Chrome store. Once the user installs this plugin, when the user accesses the online wallet, he will steal the user's private key and send it to The developer of the extension. According to preliminary statistics, hackers have stolen $ 16,000 worth of cryptocurrencies in this way. At present, Google has removed the malicious program from the Chrome Store. The Dimension Reduction Security Lab recommends that users check it in time. Unloading to avoid loss of assets.