It appears ethereum and erc-20 tokens are Kim Jong's favorite crypto:
For the first time since Chainalysis began tracking North Korean cryptocurrency thefts, Bitcoin no longer represents anywhere near the majority of the country's take, accounting for only around 20 percent of the stolen funds. Fully 58 percent of the groups' cryptocurrency gains came instead in the form of stolen ether, the Ethereum network's currency unit. Another 11 percent, around $40 million, came from stolen ERC-20 tokens, a form of crypto asset used to create smart contracts on the Ethereum blockchain.
Bitcoin accounting for only 20% of the funds stolen by north korean hackers sounds like progress is being made.
This is like a normal thing to me, because most of these scams are more likely to come from the ERC 20 tokens and not from Bitcoin. Moreover if you check these days,there are more alternative cryptocurrencies and more that are being released in the market almost in everyday that passes by, over 10,000 of them currently in the market.
So, it shouldn’t be a surprise that majority of these scams that has taken place are coming from the altcoin market. Bitcoin is about less than 40% dominance in the market, and altcoin stakes the rest of the market dominance, so you would more likely see scam taking place in the altcoin market than you would see in Bitcoin.