Is bitcoin a future proof currency?
You need to correct your words as with the word future proof we will take a thing which will take away the future. I think you are talking about future securing. Change it to future securing. If you are talking about future securing then yes it is a future securing currency and in the future it will provide more strength to our financial system.
take a look at how a person develops if you want to see the future of a person as well as with bitcoin. you can see the development and deployment of bitcoin today, very promising right ?
Bitcoin will be a promising currency in future for sure and ups and downs will be always a part of any damn thing and same goes with bitcoin too but if you have patience and if you can hold your bitcoins for longer term then you will only get benefits from it in future.