Heres proof that if you invested 100,000 usd to buy yourself some bitcoins in jan 2016
Where 1 btc was valued at 431 usd per bitcoin
As of jan 3rd 2016
You would get 232 bitcoins
So thats 100,000 usd divided by 431=232 bitoins
Guess how much a bitcoin is worth today as of 28/8/17
4333 usd per btc coin thats right so if you put your bitcoin to a ledger wallet and kept them from jan 2016 untill today your 100,000 usd investment of btc would buy you 232 btc which is worth today
232 btc*4333 usd =1,005,256 usd
Thats right your 100,000 usd would be a whooping 1,000,256 usd
Thats how you can turn hundered thousand to one million in one and a half years!