Operated by one entity. These Blockchains value efficiency over anonymity, immutability and transparency. For example, Ripple.
Single Industry – Operated by known entities such as stakeholders of one industry. They value immutability and efficiency over anonymity and transparency.
Multi-Industry – Operated by known entities such as stakeholders across multiple industries. They value immutability and efficiency over anonymity and transparency.
Anyone can be a user or run a node. Generally speaking public Blockchains such as Bitcoin value anonymity, immutability, and transparency over efficiency. This means your identity can be safe as you purchase goods online
|Characteristic||Private Permissioned||Public Permissioned : Single Industry||Public Permissioned : Multi Industry||Permissioniess|
|Authority, Control and Trust||Ledger management facilitated by a single company for private use -- centralised trust||Ledger management facilitated by an industry utility, open to limited public use -- semi-centralised trust||Ledger management facilitated by an industry utility or open to public use -- semi-centralised trust||Ledger management facilitated by the distributed network/participants -- distributed consensus/trust|
|Business Context||Intra-Company||Inter-Company or within an industry||Inter-Company or across industries||Inter-Entity (company and individual) across a network or ecosystem|
|Access Rights||Single company purpose permissioning||Single industry purpose permissioning||Defined multi-industry/purpose permissioning||Multi-Industry/Participant and Multi-Purpose permissioning|
|Accountability, Legal Standing||Legally accountable actors||Legally accountable and potentially regulated actors||Legally accountable and potentially regulated actors||Limited/Zero legal accountability and unregulated actors|
|Deployment Style||Private||Private or Public||Private or Public||Public|
|Record Immutability||Potentially Editable||Potentially Semi-Editable||Potentially Semi-Editable||Predominantly Irrevocable|
|Consensus Mechanism||Proof of Stake, Federated Byzantine Fault Tolerance Agreement||Proof of Stake, Practical Byzantine Fault Tolerance, Deposit-Based, Federated Byzantine Agreement||Proof of Stake, Practical Byzantine Fault Tolerance, Deposit-Based, Federated Byzantine Agreement||Proof of Work|