This is the 12775th most frequent Russian word.
криптовалюты
"Криптовалюты" means "cryptocurrencies" — digital or virtual currencies secured by cryptography.
Here, 'криптовалюты' is used as the subject of the sentence, referring to digital currencies collectively.
Криптовалюты становятся все более популярными среди инвесторов.
Cryptocurrencies are becoming increasingly popular among investors.
In this sentence, 'криптовалют' is in the genitive case, indicating ownership or relation of regulation to cryptocurrencies.
Некоторые государства начали регулировать использование криптовалют.
Some countries have started regulating the use of cryptocurrencies.
Here, 'криптовалют' is in the genitive plural form due to its connection to the noun 'рынок', specifying the type of market.