Polkadot founder Gavin Wood has released a whitepaper on X platform, introducing the initial JAM specification as part of the future proposals for Polkadot. The whitepaper presents a comprehensive and formal definition of JAM, which is a protocol that combines elements of Polkadot and Ethereum. JAM provides a globally singleton, permissionless object environment similar to Ethereum's smart contract environment, but with the addition of secure off-chain computation. This computation can run in parallel on a scalable network of nodes, making it a pioneering solution for Polkadot. JAM introduces a decentralized hybrid system that offers smart contract functionality built around security and scalability through the IN-CORE/ON-CHAIN binary construct. The overall model of JAM's services is primarily driven by Polkadot's underlying architecture. JAM is inherently permissionless, allowing anyone to deploy code as a service and pay corresponding fees for the resources used by that code. The execution of the code is guided by the purchase and allocation of CORE-TIME, an elastic and universal computational metric similar to GAS fees in Ethereum.

Odaily Planet Daily News: Gavin Wood, the founder of Polkadot, posted on the X platform, saying, "I am pleased to announce the initial Jam specification in the Gray Paper, which outlines proposals for the future of Polkadot."

The Gray Paper mentions, "We have proposed a comprehensive and formal definition of Jam, a protocol that combines elements of Polkadot and Ethereum. In a single coherent model, Jam provides a globally singleton, permissionless object environment - similar to the smart contract environment pioneered by Ethereum - coupled with secure off-chain computation that can run in parallel on a scalable network of nodes, which is a pioneering solution by Polkadot.

Jam introduces a decentralized hybrid system that offers smart contract functionality built around security and scalability in an in-core/on-chain binary manner. While the smart contract functionality bears some similarities to the Ethereum paradigm, the overall model of the services provided is primarily driven by Polkadot's underlying architecture.

Jam is inherently permissionless, allowing anyone to deploy code as a service on it and pay corresponding fees based on the resources used by the code. The execution of the code is guided by the purchase and allocation of core-time, which is an elastic and universal computational metric similar to gas fees in Ethereum. We have envisioned a CoreChains service compatible with Polkadot."

Gavin Wood Releases the Initial JAM Specification Grey Paper for POLKADOT