PoW is not useless. Hashcash in its original form is a prime example. It’s good design/engineering that solves a problem. Blockchains are not useless. Append o

PoW is not useless. Hashcash in its original form is a prime example. It’s good design/engineering that solves a problem. Blockchains are not useless. Append only, verifiable data structures have countless applications that again, can be used to solve actual problems. Systems which combine these to create a “trillion+ economy” that’s sole external affect appears to be inducing an obsessive overuse of the word “fiat” while consuming incomprehensible amounts of the worlds resources—not just power, but hardware, and importantly, the focus of many intelligent people—that is a venture of questionable use.