Bitcoin is fundamentally different from these projects, as Bitcoin does not have a self-referential authority structure. In Bitcoin's system design, there is no specific self-referential structure. Its operations are entirely peer-to-peer, utilizing UTXO wrapped in asymmetric private key solutions. Peer-to-peer transaction confirmation is not handed over to any specific centralized institution or organization, but rather to an abstract longest chain, which is held by all competing miners.