base announces that cobalt will launch new functionality in september

base sent that cobalt would be launched in september, with focused functions including sponsorship, batt calls and session keys. of these, sponsorship allows for the application of user-sponsored transaction costs, achieves free gasbatch calls to support the packing of multiple transactions in one case, while reduced operational steps so as to allow user authorization to be used to sign transactions on behalf of a given range and reduce duplication。