NEM is very interesting project and this platform has a unique design architecture consisting of two components like a node (also known as a NEM or NIS server infrastructure) and a client (which interacts with nodes).
On the website of NEM you can read information that this system is the world's first Smart Asset blockchain and I absolutely agree with it. Users can include messages in platform transactions in three different formats: encrypted, unencrypted or hexadecimal and It looks like truly revolutionary project
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