Polkadot nodes are a new type of network node that is being developed by the Polkadot Foundation. They are designed to be lightweight and scalable, and they can be used to create a variety of decentralized applications. Polkadot nodes are currently in development, but they are expected to become available in 2019. This article provides an overview of Polkadot nodes, how they work, and why you should care.
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