https://www.reuters.com/article/us-southkorea-northkorea-cryptocurrency/south-korean-intelligence-says-north-korean-hackers-possibly-behind-coincheck-heist-sources-idUSKBN1FP2XO >South Korea's intelligence agency told lawmakers North Korean hackers could have been behind the $530 million theft of virtual coins from a Japanese cryptocurrency exchange last month, people familiar with the matter told Reuters on Tuesday.