Julian Cheung
In addition, journalists from the TV show "Man and Law" reported that Grabovoi used the social network TikTok to support these ideas. These and other "miracle codes" have been appearing since 2016 on Pinterest; books on codes could be purchased on Amazon as early as 2011 and in February 2020 the tabloid "Daily Star" mentions Hong Kong actor Julian Cheung, who wrote such a number on his forearm and called it a "code for epidemic prevention". Cheung's fans then began to imitate him, and the whole thing began to spread quickly through the Weibo social network.