A machine in the corner of the mall for digital currency exchange. Whether you use it or not is a kind of risk taking because you don’t know what is behind the machine, who operates it, any proper business license to protect your money if things go wrong.

In digital world, we must not solely put focus just on cyber protection. Every aspect counts towards a secure business model.

From the digital currency operator’s perspective, secure cyber protection is not enough. Physical security, anti-tampering to manipulate network connection, I/O port interfaces and so on are all attack vectors.

From he customer perspective, trustworthy of the machine is the prime concern.

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