Early investors in the Bitcoin (BTC) have made thousands, even millions of dollars.

If you’re not familiar with so-called cryptocurrency, it is essentially electronic money. Think of it as dollars that only exist in cyberspace. It is a purely digital asset designed primarily for transactions – just like money. You can buy stuff with BTC, and you can accept it as payment. But like more traditional currencies, you can also buy and sell it as an investment. It’s no different than buying euros, or yen, or yuan with dollars. If you buy Bitcoin, you are betting it will increase in value relative to other currencies.

And it has...