Operational security, or opsec, is key if you’re using crypto exchanges. This new trick can make you a bit safer in a crowded cafe.
Source: https://www.coindesk.com/buskill-is-a-diy-tool-to-lock-down-your-laptop
Source: https://www.coindesk.com/buskill-is-a-diy-tool-to-lock-down-your-laptop
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