If you had it for a very long time the value of the coins might have increase by now since the value of bitcoin has increased drastically. It is advisable you write your wallet details some where safe next time to avoid that next time.Blockchain among all crypto currency wallet seems to be lie Bitcoin among other coins.Though it still hurt me badly forgetting my password and never having access to my old wallet with blockchain . Though the coins I have there must be tiny as it was my very first when I started off with cryptocurrency investment.