Non-hackable program

Hey do you know ifit is possible to make a serverside program like Instagramthat is absolutelynon-hackable from clients ?

Yes, everything can be done... but also everything can be hacked.

Yes, everything can be done... but also everything can be hacked.

There will be always someone that can hack it, so nope?

You can hack anywhere and everywhere. don't believe it

the system is flawed there will always be a way to get into man made systems

I think so but you have ro monitor and update it daily with people you can trust.

There is nothing that is completely 'unhackable'. So, no.