if you could change one thing about btc, what would that be?
Would you make it safer?
How would you develop the btc trading?
If I could change one thing about the BTC, I would like to change it so that the BTC can be more easily used for any real transaction, such as buying food or snack with BTC offline or can be called real.
Well you are changing the world dude

You are implementing bitcoin in real life and that is not part of bitcoin. Well if you will be president someday then that could happen but dont put tax on it! haha. Well for me i want to make that price of bitcoin will once in a 3 years there is a suprise pump price