I am not thinking about BTC for the next 100 years more likely for the next year or two. In 100 years or less, BTC will be probably replaced by some more advanced transaction system
That is true, the 100 years is enough for bitcoin to get replaced by another more advanced cryptocurrency which will be the reason for the cryptocurrency industry to continue growing because if we will have more advanced cryptocurrencies then it means that the progress for solving the issues in the market will be faster and better.