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MetaMask Browser Plug-In: A Cautionary Tale

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On February 16, the founder of Slow Fog shared that the MetaMask browser plug-in could not start the solution when replying to the community members\’ questions…

MetaMask Browser Plug-In: A Cautionary Tale

On February 16, the founder of Slow Fog shared that the MetaMask browser plug-in could not start the solution when replying to the community members’ questions. In the case that the mnemonic/private key was not backed up and the plug-in/computer could not be restarted at the same time, the local global search for nkbihfbeogaaoehlenkfodbefgpgknn, which is the MM extension id, as in this directory:

Slow Fog founder released MetaMask browser plug-in failure solution

Interpretation of the news:


Slow Fog founder recently shared a warning to the MetaMask browser plug-in users. According to the post, there have been concerns that the plug-in cannot start the solution when replying to the community members’ questions. This has caught the attention of the cryptocurrency world, especially those who rely on MetaMask for trading and storing their digital assets.

In case the mnemonic or private key was not backed up, and the plug-in or computer could not be restarted at the same time, users would need to resort to local global search for nkbihfbeogaaoehlenkfodbefgpgknn, which is the MM extension id found in the directory. This creates a potential vulnerability as a malicious third party can gain access to the user’s private key if they have access to the computer.

MetaMask is a popular cryptocurrency wallet and browser extension used to store digital assets and interact with the decentralized web. With over 5 million weekly users, MetaMask has become a go-to wallet for the Ethereum network. However, since it operates as an extension in the browser, users must be cautious about their security.

According to Slow Fog’s founder, the problem lies in the fact that the Mnemonic backup feature of MetaMask is disabled by default. Although the plug-in allows users to store their private keys using a mnemonic phrase, they must enable the feature manually. Additionally, the browser storage is vulnerable to malicious attacks, which means that users may lose access to their assets if they do not take the necessary precautions.

To avoid potential risks, the Slow Fog founder recommends enabling the Mnemonic backup feature, backing up the phrase and private key as well as storing it offline on a secure device. The founder also advises users to avoid storing their assets on a browser that is connected to the internet, and instead use cold wallets for long-term storage.

In conclusion, the MetaMask browser plug-in’s security vulnerability highlights the importance of being cautious and vigilant when using cryptocurrency wallets. Users must take extra steps to ensure their privacy and security not just on the MetaMask wallet but also all wallets used for cryptocurrency storage. It is crucial to stay informed and updated about new developments and potential risks in the cryptocurrency world.

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