Do we need a hard fork ?
I don't believe so, the major problem is the "competiviness" between the miners who maintain the network

we want a mix of collaboration in order to run the right protocol, still a good amount of competition to avoid formation of cartel which would gain together more than 50% of control. It needs only the cooperation of the 3 big ones to do so, check out BTC.com, AntPool, BTC.TOP.

This is how fragile bitcoin security is

see hashing power distribution courtesy blockchain.info

Tell us what do you think ... and let's prepare together a solution

We believe we have a solution, we would like to develop it more with you if you are interested.
we use "smart litigation" ... it's like the new court system on the blockchain to decide how to handle the greedy parties on the bitcoin networks who try to abuse the system.

By having a build-in "litigation" system we can face future security risk without endangering the blockchain:

read and learn more in our forum