Where are bitcoin ledger stored?

Blockchain is stored on all the computers running Bitcoin node. There are thousands of computers running full node. Each of these node record every new transaction in the blockchain. All of these nodes run as backup for the blockchain.

What is a node in a blockchain?

The nodes actually store, spread and preserve the blockchain data, and thus it can be said that a blockchain exists on nodes. Nodes, therefore, are the framework of a blockchain. Now, nodes can be any kind of device, usually computers, laptops or servers.

What are the three different types of nodes in blockchain?

Below, we’ll highlight both lightweight and full nodes.

• Light Nodes. Lightweight nodes or “light nodes” do not hold full copies of the blockchain. …
• Archival Full Nodes. …
• Pruned Full Nodes. …
• Mining Nodes. …
• Authority Nodes. …
• Masternodes. …
• Lightning Nodes.