It is no surprise that anonymity has been leaving bitcoin. Bitcoin is not as anonymous as it used to be.
Monero the more anonymous bitcoin has been getting a lot of news as it is being used for many illegal purposes such as drugs and money laundering.
South Korea today, however, is increasing regulation on all cryptocurrency exchanges as reported by
https://revoltmedia.org/south-korean-new-rules-on-cryptocurrency/.
South Korean laws passed this morning are now only letting South Korean exchanges accept users if the user has real-name bank accounts connected.
Regulations like this are the first of many soon to come that will try to take anonymity from cryptocurrency.
The South Korean government reasoning was to prevent money laundering and other illegal activities.
The reason why cryptocurrencies are not anonymous anymore because there are so many people are posting in social media's like Twitter, Facebook, YouTube and etc. Telling that you can earn by sitting infront of your desktop and some news tells that bitcoin and cryptocurrencies are just scams and you cannot earn with it that is why many countries banned bitcoin.