a public blockchain is a permissionless blockchain with the following features: (1) it keeps safe and trustful in case very node can join and leave without notice. (2) no restrictions on who can view the transactions. A public blockchain is powerful in that it brings in the true distributed application and trust economy over the environment.
Chaintope Establishes Public Blockchain Protocol to Overcome Governance Challenges
Chaintope, a Japanese blockchain startup, has developed a public blockchain protocol known as Tapyrus to tackle some of the governance issues currently being witnessed in the blockchain space. For instance, some of the challenges noted in public blockchains include privacy concerns and sluggish transaction speeds.