A private cryptocurrency is a digital asset that can only be used by certain users. It is typically controlled by a limited group of individuals who have the ability to monitor and approve transactions. Private cryptocurrencies are not traded on exchanges and may have limited use cases.
A public cryptocurrency is a digital asset that is available to any user, including those not a part of the original development team. Public cryptocurrencies are typically traded on exchanges and have a wide range of use cases. They are generally open source and can be used by anyone.