>Someone found a way to replace this gatekeeper with their own version The gatekeeper function was "protected" by hash of its name and parameter types and this

>Someone found a way to replace this gatekeeper with their own version The gatekeeper function was "protected" by hash of its name and parameter types and this is the $600M quote: "You don't need to find a full hash collision, you're only checking the first four bytes. " And it is all in the environment where mountains of hardware with highly optimized software are combined in huge networks with the only purpose of calculating few basic types of hashes :)