My offline wallet has a around 25 character password for me private key starting with 6
wot if in the future blockchain and other sites shorten the password field to 10 characters will my wallet be doomed forever because at some time in the future i will sweep the funds from it
Stop using third parties to either: generate or store your private keys. If you generate your own private keys and transactions, you generate some peace of mind for yourself knowing your control is about as good as it can be.