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ICOs are effectively just selling promises to users, and there is no guarantee that the finished product will actual exist in the future.
From watching your videos I think for myself that holding a few main cryptocurrencies and mining a few is the way to go. It's easy to see how users can fall into the trap of thinking all crypto tokens will rise at a crazy rate over time.
I appreciate you saying that you should only invest what you can afford and I've taken your advice. So thanks for keeping all the advice grounded in reality, much appreciated.