Explaining Polkadot’s Biggest Ever Upgrade: What is JAM? Last updated: 2024/06/08 at 7:27 PM Editor Cryptopedia Share 0 Min Read Polkadot is set for a major overhaul with the Join Accumulate Machine (JAM) upgrade, proposed by its founder Gavin Wood. Continue reading at DailyCoin. Share this Article Twitter LinkedIn Reddit Email Copy Link