Buying, selling, trading and settlement of cryptocurrencies is now illegal without a license, according to a statement from Cambodian authorities.
China has prosecuted nearly 100 individuals said to be involved with locally operating the OneCoin cryptocurrency scheme.
The Central Bank of Samoa is investigating the OneCoin crypto investment scheme and has issued a warning about the business to investors.
Action film star Steven Seagal has become the brand ambassador for a controversial cryptocurrency ahead of an initial coin offering (ICO).
China-based cloud content delivery network Xunlei has been hit by two class action suits over alleged illegal ICO activity.
Italian Economy Minister Pier Carlo Padoan warned on Wednesday that cryptocurrencies are dangerous, but that blockchain technology is not to blame.
A German financial watchdog has ordered Crypto.exchange GmbH to immediately stop offering financial commission services.
China's public security ministry says it will take aim at pyramid schemes in the country, including those that purportedly involve cryptocurrencies.
Bulgaria's government has revealed it is part of an international crackdown of OneCoin.