It is good see jokes coming around during troubled times, anyone with a bit of common sense could identify that none of the exchanges or wallets are secure as you could hear major hacks and then the end customers looses their funds and then they have to fight for the coins for years. Stick to the original concept of storing the coins without much hassle and why would you risk storing under someone else's authority when you do not need to spend much to hold he coins on your own. The interest rate you are talking about is meager and considering the risk reward no one with the right sense would risk .