It is a good idea I had the same thought, but those books ain’t cheap. This sticker has a lot of beginner knowledge in the QR code that can easily be read by many and not just 1 person per book.……
Both are an IOU. Holding on coinbase you at least have the ability to collect on that IOU by removing it from exchange. ETFs are a walled garden and really only should be used by speculators who don’t want underlying freedom tech.……