Cardano's ada token spikes another 16% as its smart-contract update gets an official release date

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Cardano's ada token soared 16% on Friday as investors prepared for its smart-contract update.
The network's developer announced a September 12 release date for its "Alonzo Purple" upgrade.
Cardano's upgrade could help the blockchain match ethereum's capabilities.
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Cardano's native token, ada, surged as much as 16% on Friday after the cryptocurrency's developer announced its much-anticipated upgrade will be relea