WIRED BusinessWhy You Need a Physical Vault to Secure a Virtual Currency
I am transfixed by the plummeting signal strength on my phone as employees of cryptocurrency exchange Coinbase close the flap of the stuffy silver tent I’m standing inside. The fabric walls enclose a cubic space about 8 feet across and contain mesh that functions as a Faraday cage that blocks electromagnetic radiation. By the time the door is sealed, my connection to the outside world has drained away to nothing. Now the ceremony can begin.
