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
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.