At present, in term of reception, we should pay the cost for the strict controls. Later on, digital forms of money could be intensely managed. maybe in 5 years to come. total bitcoin users are already very large and bitcoin will have a very high price in that year

Any kind of investment will have its own share of risks.  Study first before investment because if you already invest and you realized that you dont want this kind of business you will waste your time and money.

Actually, as of now there are lot of bitcoin online wallet that you could use if want to use bitcoin.  I suggest you to try blockchain.info web wallet for right now than shift to electrum when you will learn more about difference between these two wallets.

in my opinion bitcoin will still be the most dominant crypto because in terms of price and bitcoin technology is the basis of cryptocurrency,like an imposition of a world-wide ban on bitcoin specifically or an enhancement in the blockchain technology that beats in bitcoin in every way.

I think they cant trace if they didnt know your bitcoin address or your wallet address.The only thing they can know that if you are holding BTC or any other coins is if you given your KYC into an exchange.

every one of all the miners of investment in bitcoin really hope bitcoin can be more successful than the present... I believe in the future bitcoin will find a solution to this problem.

The five countries that banned Bitakenai are:
Bolivia
Bangladesh
Nepal
Morocco
Ecuador
All of those 5 countries look like poor countries and I don't think they have many influences on bitcoin neither on its popularity or its price.