This is probably a big reason for why many cryptocurrencies have a high value as well. Nobody actually uses these things to trade for goods and services (well,

This is probably a big reason for why many cryptocurrencies have a high value as well. Nobody actually uses these things to trade for goods and services (well, maybe for drugs), everyone just expects the USD price to maintain or go up and values it based off of what they think they can get in USD in 5, 10 or maybe even 100 years.