Bitcoin is great as a form of digital money, but its scripting language is too weak for any kind of serious advanced applications to be built on top.
When I was in grade five or six, I just remember quite a lot of people were always talking about me like I was some kind of math genius. And there were just so many moments when I realized, like, okay, why can't I just be like some normal person and go have a 75% average like everyone else.
A smart contract is a mechanism involving digital assets and two or more parties, where some or all of the parties put assets in, and assets are automatically redistributed among those parties according to a formula based on certain data that is not known at the time the contract is initiated.
I think people don't realise that running a piece of code that verifies some conditions for a financial transaction, that by itself is a lot less work than verifying a cryptographic signature, and so even if the virtual machine is inefficient, the cryptographic signature is still going to dominate.
The industrial revolution allowed us, for the first time, to start replacing human labour with machines.
I personally like hard forks. Particularly, I like the fact that they give users a measure of control, requiring them to opt in to protocol changes. Sure, they can be a little more chaotic if they're controversial, but that's the price of freedom.
