Quote from: franklin2058 on August 12, 2019, 03:26:30 PM

What kind of process have to go through? Who make the final votes? I guess the change is similar to implementing BIP.

Usually when these things arise, a group of people propose their version of bitcoin, then the miners will decide which way bitcoin will go to. A fork is created, and the version with the most number of miners and nodes will get the most support and basically that will be the 'chosen' one. Perhaps I'm wrong with what I'm saying here but that is the concept I grasped and is almost close to what it really is.

Quote from: franklin2058 on August 12, 2019, 03:26:30 PM

I heard many posts here said "Economic Majority" vote decides. Does this mean who hold the most bitcoins decide? Maybe not. I guess BIP is determined by Bitcoin Core developers, so the total bitcoin supply (21 million) is also determined by Bitcoin Core developers.

Economic majority is not applicable for PoW coins. Hashing power is what decides the fate of bitcoin, not the people who holds a shitton of it.

Quote from: franklin2058 on August 12, 2019, 03:26:30 PM

Also, the argument against the "Economic Majority" is it is often the case we can't find holder for the addresses with a lot of bitcoins. How can we contact them for vote?

An address isn't associated with any personal information whatsoever, so I don't think it will be an easy feat.

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For further reading on the matter:

https://en.bitcoin.it/wiki/Hardfork
https://en.bitcoin.it/wiki/Consensus