Most (all?) open ledgers are marketing scams. The blockchain reduces counterparty risk because it escrows value, is immutable, etc. Private blockchains do none

Most (all?) open ledgers are marketing scams. The blockchain reduces counterparty risk because it escrows value, is immutable, etc. Private blockchains do none of this and are typically attempts by huckster Bitcoiners to sell software to decision makers at large companies who want to buy into a buzzword.