At the recent Polkadot Fellowship meeting, Dr. Gavin Wood, creator of Polkadot and Kusama, revealed significant advancements in the Join-Accumulate Machine (JAM). Version 0.4 of the JAM gray paper now includes “Ordered Accumulation,” a critical update and the final core protocol enhancement before the v1.0 release.
According to Polkadots official statement, JAM is “a prospective design to succeed the relay chain.” The platform explained that the name originates from CoreJAM, which stands for Collect Refine Join Accumulate. Initially outlined in an RFC by Gavin Wood, CoreJAM details the computation model the machine embodies.
JAM aims to revolutionize decentralized computing by solving the “sharding island” problem through a distributed, decentralized data lake. This allows for efficient data modification and reuse across work packages, exceeding the capabilities of existing models like the Polkadot relay chain and Ethereum.
The “Ordered Accumulation” feature enables sequential processing of work packages across blocks, especially when output data from one package relies on another, leading to reliable and efficient computations.
Polkadot Virtual Machine to Receive 64-bit Upgrade
The meeting also highlighted potential refinements planned for JAM. These include field additions and operational optimizations to boost performance. Additionally, the Polkadot Virtual Machine (PVM) will undergo a significant upgrade from 32-bit to 64-bit, promising substantial improvements in processing power and data handling capabilities.
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In another significant development, Fellowship member Andrei Sandu shared an exciting roadmap update for Polkadot. He stated that Polkadot‘s elastic expansion is anticipated to launch in January or February 2025. This launch marks the final step in completing Polkadot’s highly anticipated 2.0 version. The full launch of Polkadot 2.0 is therefore slated to occur within the same timeframe.
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