Blockchain Types:

 

Public:

Public blockchains have ledgers visible to everyone on the internet and anyone can verify and add a block of transactions to the blockchain.

       Examples – Bitcoin, Ethereum, Dash, Factom

Private:

all permissions are kept centralized to an organization. Private blockchains allow only specific people in the organization to verify and add transaction blocks but everyone on the internet is generally allowed to view.

       Examples- Multichain, Blockstack

Consortium:

controlled by a consortium of members. Only predefined set of nodes have access to write the data or block.

      Examples- Ripple ,R3 & Hyperledger1.0