Polkadot celebrates 4 year anniversary with unanimous JAM upgrade approval

The Polkadot community celebrated the blockchain’s fourth anniversary by ratifying the highly anticipated Join-Accumulate Machine (JAM) upgrade. The proposal received unanimous support, with backing from over 31 million DOT tokens. JAM ratification JAM is a decentralized hybrid system offering secure and scalable smart contract functionalities by merging features from Ethereum within... source: https://cryptoslate.com/polkadot-celebrates-4-year-anniversary-with-unanimous-jam-upgrade-approval/