The South Korean authorities have recorded an increase in illegal transactions with cryptocurrencies, and El Salvador has introduced a discount on gasoline when paying in Bitcoin – these and other important news of the cryptocurrency market in our daily review.

Crypto exchange KuCoin has prohibited Chinese citizens from registering on its platform. The company will end servicing existing clients from this country on December 31.

On October 2, the number of active addresses in the Polygon network of secure L2 solutions for the first time exceeded the similar figure for Ethereum – 566,516 versus 527,158. Over the past 30 days, the first has grown by 168%, the second by 0.6%.

From January to August, the volume of illegal currency transactions using digital assets in South Korea amounted to 812.2 billion won (~$687 million), Yonhap News writes, citing the customs service.

A special committee of the Brazilian Chamber of Deputies proposed to raise the fines for money laundering using cryptocurrencies from 1/3 to 2/3 of the amount, and the prison term to 4-16 years and eight months.

In El Salvador, users of the Chivo cryptocurrency wallet will be given a discount on fuel when paying in Bitcoin. President Nayib Bukele tweeted this on Twitter.