One still little-understood aspect of Blockchain smart contracts is their ability to create what is nothing short of the first real form of currency investment in the world.
By using the term investment here, I am being specific. A currency is something used to pay for something with. It is not conventionally an investment at all, nor a reliable one at that (even in cryptocurrencies this is mostly true). Buying USD and then applying 1,000x leverage against CHF is not investing, it is speculating. Investing means buying something so that it gives the holder a return on investment (ROI), which is manifest in the form of an income receipt.