Earlier quoted context omitted.
> But inevitably, people die, and the knowledge of their private key with them, removing bitcoins from circulation. The amount of bitcoin will therefore decrease impredictably Maybe a bit late, but you finally understood why Bitcoins get more valuable over time: their number grows slowly or maybe decreases, while the number of people wanting them increases. That's why Bitcoin is the best Store Of Value ever devised.
Ok put your entire life savings in BC, i will put mine in the SP500. Lets see how things look in 40 years?
Don't forget it's still relatively hard for average folk to purchase crypto. But once you have acceptable ETFs and funds that you can purchase at a click of a button through your brokerage account -- a lot of people (and pension funds!) will probably allocate 1-2% of their portfolio to crypto. That is 1-2% of $300tn or so, or 30 to 60 times the amount of money in the space today (in terms of market cap).
If you think this bubble will run for a while, then I also think it's not unreasonable to assume you can multiple your initial investment by 10x by investing in either Bitcoin or Ethereum. But that's my opinion (and this is obviously not investment advice).
Whether it'll be around in 40+ years, I don't dare make that bet. But no one is saying you can't move money around to the better investment opportunity at a specific time.