Build blockchain in nodejs

Simple blockchain example with 5 nodes.

How to run

git clone
npm install 
npm run node_1
npm run node_2
npm run node_3
npm run node_4
npm run node_5

make sure all network nodes are running.

APIs

Method
GET	/blockchain
POST	/transaction
POST	/transaction/broadcast
GET	/mine
POST	/receive-new-block
POST	/register-and-broadcast-node
POST	/register-node
POST	/register-nodes-bulk
GET	/consensus
GET	/block/:blockHash
GET	/transaction/:transactionId
GET	/address/:address
GET	/block-explorer

To run block-explorer

http://localhost:{PORT}/block-explorer