Every step you take. There is always a risk waiting for you. If you put in a bank Like people and do not want to get a loss, maybe what your uncle says is true. But, if you want to earn big interest and big profit you can invest in bitcoin. But, Bitcoin does not always promise you can get it. Because bitcoin is very fluctuating.

Your uncle advice you from his experience and in his time nobody knew about crypto currencies. So, his reaction and advices expected. I think it's impossible to change his opinion and the only option you have is to put your uncle in front of the fact, to buy coins in inform him about it after.

2 This is a very important thing for investors of course. But they are required to choose one of them. If I were you, I would invest some of my money in bitcoin. But before you do that you should know that bitcoin is very volatile. Bitcoin can not promise you that you will get big profits quickly. If you do not want to take that risk then Bank is the best choice you have today. Bitcoin is only for long investment. Think well.

If you ask established authority figures within the financial system – for example Deutsche Bank chief strategist Ulrich Stephan – “should we invest in Bitcoin?” then the answer is generally an emphatic “no”. It’s high volatility, lack of obvious use other than as a vehicle for investment, and the bubble-like behaviour of its value are usually cited as flashing red “danger” signs. And logically, one would expect these people to know what they are talking about.

I think invest into bitcoin is better. Because bitcoin is more instant profitable than bank. If you buy bitcoin at low rate and sell it when price is high then you got more profit. Bank will not give you that. That's why i think invest into bitcoin is best than bank. It is tottaly depend on your mind that what will you do.

If you want an early income like in a few days you might have $100 profit then invest in bitcoin but those early incomes will not happen always. Investing in bitcoin comes with a big risk that you might not able to get again your capital and that is the sad thing about bitcoin but you can try other altcoin if you really want  to invest in cryptocurrency. If you want the safest invest of all time then go to a bank but doubling your capital might take a decade for it to happen and investing in bank needs a lot of money.

it is a bit difficult to convince people with an investment with bitcoin it is profitable for me to prove it to convince the person, try to invest little by little with your money as capital

I think better to invest in bitcoin. If you see statistic bitcoin get more profit over a year then bank. Also, some banks invest in bitcoin too.

Hello Friend! I recommend investing you in bitcoin, as long as there is an opportunity. The market is now going through not the best of times, but it will recover in the near future.

it is possible to invest directly in the coin, so now there are many tools on the market that are tied to the price of bitcoin, but the bitcoin itself is not purchased.