Any new tech "using blockchain" is a non-starter for general use; they are constraining themselves automatically by adopting "blockchain" technology. People as

Any new tech "using blockchain" is a non-starter for general use; they are constraining themselves automatically by adopting "blockchain" technology. People assume that "blockchain" is inherently good due to the buzz created by rampant speculation among Bitcoin traders, but the blockchain itself is an experimental platform that is dubiously fitted even to the narrow constraints of bitcoin, let alone forming the foundation of a "new internet".