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There is minimum or we can say zero risk involved if we talk about investing in Bitcoin. It's just an inner fear or trust issue which one has to overcome and start investing in Bitcoin, rest is a smooth journey. We have discussed and seen many cases of investing in Bitcoin for longer duration, as long as someone intent is to HODL Bitcoin for 5 or more years he is bound to get good return.
It's important to keep investing in Bitcoin the discretionary income we have in our hand. If someone don't have any discretionary income for Bitcoin then he must think of how to generate that discretionary income.
This is a very wrong notion and I think this will definitely mislead so many morespecially the newbies, despite the fact that bitcoin has proven it's worth over the years as a potential coin doesn't mean that it is risk free.
You are very right sir, saying that Bitcoin is risk free is very much misleading because we live in a world full of uncertainty, anything can happen in the future that may be out of our control, so it's not proper to be saying that Bitcoin is totally risk free, because being alive is always risky if he doesn't know.