I hold some gold, some bitcoin, a small amount of real estate, and quite a lot of junk silver. Bitcoin has done the best by far, but it's so volatile I hold the others in case it crashes and burns. Real estate is in a bubble so big, I want out before it pops for another decade. The problem I see with bitcoin is that it was mean to be a vehicle for transactions and purchasing. Instead, people are using it as an investment because it has increased in the past so quickly. That's all well and good (and I'm in that boat myself) but when does it transition into the adoption as money for daily purchases? That's when it will be useful. When you can take out a device and pay for an ice cream cone instantly and without any hassle (and all the merchants take the payment), then we are there.