Do not rely on a single trading platform and put all your money, but must
To rely on a range of platforms known worldwide
I don't think we have to use different trading platforms it will make the status of trades to be worse better choose the best of all and stick with it.
With you all other point agreed.
Yes it will be safe if we stick with single platform because there are so many scammers as well, we will have to know the one who is giving us better project than other and the one that can be safe,. Scamming projects should not be invested, be a good trader and know new skills of trading so overcome you previous lose, try to stick with single project which is highly beneficial.
I don't think that relying on one exchange is just an option in order to secure your capital in trading. There a re a lot of legitimate exchange in crytpocurrency. All of them gives you an an advantage that may vary to each other; thus it's better to check them all for your own good.