The master nodes sustain cryptocurrencies such as BitcoinBitcoin is a cryptocurrency. It operates without the need for a central authority like a central bank or a company,... Read More, EthereumEthereum is a decentralized global open-source platform. The goal is to create a world computer where anyone can build and... Read More, and Dash. As part of the blockchainAs a distributed ledger technology (DLT), a blockchain is a digital ledger that can create an immutable record of transactions.... Read More infrastructure, they verify new blocks and perform special operations governing the blockchain. Master nodes do not add new blocks of transactions to the chainA chain is a linear sequence of data blocks. Each block contains a cryptographic hash of the previous block and... Read More. Adding blocks is a function performed by the regular nodes in a blockchain networkA blockchain network is a decentralized system that allows for peer-to-peer transactions. The main components of a blockchain network are... Read More.
See https://www.investopedia.com/terms/m/master-node-cryptocurrency.asp [Investopedia]