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That would be great! All these sectors cryptocurrencies, food and health are very much popular on steemit site and if you really create good content then you will achieve popularity pretty quickly!

I am expert in both sectors.
Food Technology is my field that I studied

Oh that's great. You have studied Food Technology so it would be an added advantage. You will be able to share valuable knowledge on that topic which will benefit all the members of steemit community. Keep sharing knowledge!