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![0xWeb3ish Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::1862848560145846272.png) web3ish [@0xWeb3ish](/creator/twitter/0xWeb3ish) on x 2303 followers
Created: 2025-07-17 06:10:44 UTC

JAM: A New Execution Layer for @Polkadot

@Polkadot is getting a serious upgrade.

The JAM upgrade introduces a general-purpose VM directly at the base layer.
It’s modular, parallel, and built for scale.

Here’s why it matters:

Runs Wasm + EVM code

Supports multiple execution environments at once

Ties directly into Agile Coretime for flexible scaling

Most chains bolt on VMs after the fact.
@Polkadot is making the VM part of its core no fragmentation, no hacks.

JAM doesn’t just bring smart contracts to the base layer.
It turns Polkadot into a universal platform for next-gen apps.

Execution, scalability, and interoperability all baked in.

This isn’t just another feature.
It’s the foundation for Polkadot XXX.

![](https://pbs.twimg.com/media/GwCdK0uWoAAyGKJ.jpg)

XXX engagements

![Engagements Line Chart](https://lunarcrush.com/gi/w:600/p:tweet::1945727851145420897/c:line.svg)

[Post Link](https://x.com/0xWeb3ish/status/1945727851145420897)