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A master node is a special form of the node used to verify transactions on a network. It is different from other options because it has governed voting rights and is known for more private and instant transactions. It has some additional features which are as follows: It has increased privacy for transactions. An investor can even set several coins aside which will grant him a stable reward. For you to set the master node of a listed coin, you need to do collateral. It requires you to put some coins in the master nodes. Escrow is the process of doing transactions using smart contracts.