> Blockchain is probably the most useless technology ever invented (unless you're a criminal or an influencer who makes ungodly amounts of money off of suckers).
Are you sure you are not confusing blockchain with crypto coins? Blockchain as a decentralised immutable and verifiable ledger actually has use in 0-trust scenarios.
Actual "0-trust scenarios" are incredibly elusive in the real world. It pretty much comes down to illegal or "extra-legal" transactions. Almost nobody in the real world has a practical interest in carrying out transactions with people they don't trust and people that our outside the jurisdiction of their legal framework.
It turns out that most people actually like being able to press criminal charges or have the ability to bring a law suit when the transaction goes south.
How is blockchain technology mutually exclusive from being able to take legal action against e.g. fraud?
Sure there are implementations that can be used that way, but the core idea of a blockchain could be used to do the opposite as well, for example by making transaction information public and verifiable.
At some point in its lifecycle, it's no longer enough to hear about what a technology "could be used" for, because the time has come to judge it on its actual real world uses.
Are you sure you are not confusing blockchain with crypto coins? Blockchain as a decentralised immutable and verifiable ledger actually has use in 0-trust scenarios.