The Components of Blockchain

[CryptoDamon]

We are always talking about bitcoin and other altcoins. There are some of us who doesn't even know blockchain which is the real deal of this brilliant technology. There are 4 components of a blockchain.
 
a node application

a shared ledger

a consensus algorithm

a virtual machine

You can read more in here. https://medium.com/@neocapita/the-logical-components-of-blockchain-870d781a4a3a

[nakamura12]

a consensus algorithm

One of the most important components of blockchain where it solves each node for every nodes arrive at a single view of the ledger with each nodes to be attained using consensus algorithm. Hope that I'm right.