The main feature of the upgrade is to give Cardano the ability to introduce on-chain governance features.CoinDesk: Bitcoin, Ethereum, Crypto News and Price Data
Cardano Blockchain Heads for ‘Chang Hard Fork,’ Biggest Upgrade in Two Years

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The main feature of the upgrade is to give Cardano the ability to introduce on-chain governance features.CoinDesk: Bitcoin, Ethereum, Crypto News and Price Data