Cryptocurrency is volatile, expensive to trade, illiquid, and rife with scams and account hijacking. Yet it contains kernels of technology and principles that likely will dominate financial markets in the future.

Apple co-founder Steve Wozniak is suing YouTube over a Bitcoin-related scam. A similar scam made headlines recently with a mass Twitter attack.

A new email scam claims to have images of you viewing pornography, and to make its assertion more convincing, it includes an old leaked password in the message. Don’t be fooled.