Yes, many banks are interested in blockchain, some of them even use it in their new products. But these acts have nothing in common with the acceptance of the cryptocurrencies, at least not in the nearest future. Banks give praise to blockchain but fervently criticize crypto. Banks and cryptocurrencies fundamentally contradict one another. Banks were, are, and will be centralized institutions aimed at controlling all the financial acts, while crypto is decentralized. Fast development and popularity of crypto is frighten banks.