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Polkadot Whitepaper
A cryptocurrency whitepaper is a comprehensive document that outlines the technical details, purpose, and mechanics of a new cryptocurrency or blockchain project, serving as a foundational guide for potential investors and developers. Click the button to go directly to the Polkadot whitepaper. There are also translated ‘lite’ papers available.
Polkadot Graypaper
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Polkadot JAM
The graypaper describes JAM. JAM, short for Join-Accumulate Machine, will be a domain-specific chain that handles one particular domain of problems. In this case, roll-ups. This is incredibly technical to read, but very good to understand the further fundamentals of Polkadot.