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I am in it long term, I would say 3 years time to reach that figure and from there who knows. I could see it easily get into the 5k+ range if Crypto becomes mainstream.

I think you have to define mainstream.

Crypto soon will be an investment vehicle similar to Gold and other commodities. However, I wouldnt consider that mainstream in the investment world although it is huge.

As a basis for the financial system, I think blockchain is the future. The question is how decentralized it stays. We all know the banking system is getting involved and doing their best to establish their own ecosystem.