Gavin Wood, the founder of the Polkadot protocol, has unveiled a new Gray Paper outlining the forthcoming Join-Accumulate Machine (JAM) upgrade for the network. This announcement occurred during Wood’s presentation on Polkadot’s future at the Token2049 crypto conference in Dubai.
Wood introduced the JAM Implementer’s Prize, a 10 Million DOT prize pool, to encourage diverse development of the JAM protocol.
Polkadot Unveils JAM Upgrade
According to the announcement, the JAM upgrade aims to replace the relay chain, which acts as the central data chain in the Polkadot network, with a “more modular and minimalist design” that will allow Polkadot to run generic services and increase network stability.
The parachains service within JAM will support existing Substrate-based parachains, enabling developers to continue using Substrate to develop and deploy their blockchains.
Notably, these services will have no predefined limits on code, data, or state capacity and can accommodate additional DOT deposits for increased capacity.
JAM’s design includes several technical improvements. It replaces WebAssembly with the Polkadot Virtual Machine based on the RISC-V ISA, an open-source instruction set architecture (ISA) used to develop custom processors.
It also introduces SAFROLE, a SNARK-based block production algorithm. These upgrades are reportedly designed to optimize performance and scalability within the Polkadot network.
On The Path To Decentralization?
To realize the vision of “a truly decentralized protocol,” Polkadot aims to support multiple client implementations. Furthermore, the JAM Implementer’s prize has been established to incentivize and fund projects contributing to the development of JAM implementations. The announcement further reads on the matter:
We believe that supporting a range of implementations in various programming languages will strengthen the ecosystem’s foundation. It distributes the power of protocol implementers more widely and reduces the risk of a bug in one implementation taking down the entire network.
The JAM Implementer’s Prize will collaborate with existing and future funding initiatives that support Polkadot’s ecosystem and technology stack. These initiatives include Decentralized Futures, Grants, and Polkadot’s on-chain treasury.
The prize will be activated when JAM is ratified as a Polkadot technology through the network’s on-chain governance mechanism.
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