A permissioned ledger is a blockchainAs a distributed ledger technology (DLT), a blockchain is a digital ledger that can create an immutable record of transactions.... Read More in which cryptographic keys or permissions grant read and write access to the ledger. The advantage of a permissioned ledger over a public blockchainA public blockchain is a digital ledger that is transparent, decentralized, and secure. Public blockchains allow anyone to join, view... Read More is that it allows for increased security, faster transactions, and scalability.