The time has come to clarify the distinction between blockchain (that is, the technology supporting Bitcoin) and the other technological implementations that are inspired by it but are different in many non-secondary aspects.
These technologies are usually referred to as DLT, precisely so as not to confuse them with blockchain. DLTs fall into the more general category of distributed databases, which consist of databases whose archives are replicated on multiple nodes.
It should be noted that not all distributed databases represent distributed ledgers, just as not all distributed ledgers constitute blockchains (we specifically use the term in lowercase to avoid confusion with Bitcoin's blockchain).
In distributed databases, in fact, the state of the archives is maintained consistently by the presence of an entity that plays the role of central authority...