A blockchain can be both permissionless (like Bitcoin or Ethereum) or permissioned (like the different Hyperledger blockchain frameworks). A permissionless blockchain is also known as a public blockchain, because anyone can join the network. A permissioned blockchain, or private blockchain, requires pre-verification of the participating parties within the network, and these parties are usually known to each other.
The supply chain management is an ideal use case for permissioned blockchains. You would not want non-vetted companies participating in the network. Each participant that is involved in the supply chain would require permissions to execute transactions on the blockchain. These transactions would allow other companies to understand where in the supply chain a particular item is.
Cryptocurrencies and Initial Coin Offerings (which are not backed by national governments) usually involve implementations of permissionless blockchains.
The supply chain management is an ideal use case for permissioned blockchains. You would not want non-vetted companies participating in the network. Each participant that is involved in the supply chain would require permissions to execute transactions on the blockchain. These transactions would allow other companies to understand where in the supply chain a particular item is.
Cryptocurrencies and Initial Coin Offerings (which are not backed by national governments) usually involve implementations of permissionless blockchains.
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