BusKill Is a DIY Tool to Lock Down Your Laptop

https://ift.tt/eA8V8J

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.

via CoinDesk https://www.coindesk.com/buskill-is-a-diy-tool-to-lock-down-your-laptop