What is JAM? Polkadot's Biggest Ever Upgrade Explained
JAM represents the most significant change to Polkadot’s architecture since the blockchain was first fully introduced.
![What is JAM? Polkadot's Biggest Ever Upgrade Explained](https://img.decrypt.co/insecure/rs:fill:1024:512:1:0/plain/https://cdn.decrypt.co/wp-content/uploads/2024/06/polkadot-jam-learn-gID_8-pID_6.png@png?#)
JAM represents the most significant change to Polkadot’s architecture since the blockchain was first fully introduced.
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