United States and South Korean forces later rescued the soldier, who is recovering from his wounds and severe malnutrition.
The craze has spread so far that, in Korea, bitcoin is trading at a premium over prevailing international rates.
Last week, almost $64bn of bitcoin was stolen by hackers who broke into the NiceHash marketplace in Slovenia. Christopher Hill, a former US ambassador to South Korea, commented: "The hope is that South Korea can play the kind of role that the [UK] has played in European politics, that is, South Korea can somehow deliver-in the Chinese view-a more reasonable US [foreign] policy".
Defence expert and senior research fellow at Washington-based conservative think tank the Heritage Foundation told CNBC the drones could potentially carry out surveillance and attacks against soft targets, but also had another advantage.
"Our military safely guided the defected solider and plans to investigate further the defection process and motivation", a spokesperson for the South Korean Joint Chiefs of Staff, Roh Jae-cheon, said at a news conference.
With a range of 13,000km, the missile could hit the mainland US.
"It is hard to build a direct connection between the two".
On that occasion, the defector drove to the heavily guarded border at speed and ran across the border as North Korean troops fired at him.
A North Korean soldier has defected to South Korea by crossing the demilitarised zone (DMZ) under the cover of thick fog, officials in Seoul say.
The reopening of Kaesong, however, is a remote possibility. Due to the similar nature of this most recent attack, it is expected that North Korea is likely responsible.
In a separate incident, South Korean authorities found two North Korean men on a wooden boat off the country's east coast Wednesday.
Speaking before the Security Council vote, analysts said the new sanctions could have a major effect on the North's economy.
The rash of defections also threatens to complicate South Korea's efforts to ensure the smooth running of the 2018 Winter Olympics, which begin in Pyeongchang in February.
For years now, cryptocurrency enthusiasts have been repeating the mantra that one should not keep funds on an exchange.
"The example I give in the book is Hong Kong and Shenzhen", Min said.
The economic ties between Hong Kong during British colonial rule and the mainland Chinese city eventually played an important role after the handover of Hong Kong to China. In addition to being one of the most impenetrable countries in the world for traditional espionage, it's also one of the most protected nations for cyberespionage.
The North Korean soldiers who approached the line were believed to be on a mission to hunt down their defecting comrade.
"They have trained the fishermen to engage in war for the sake of China if China goes to war". "But both sides realize they don't want war".
On Tuesday, Japanese newspaper Asahi Shimbun reported that the North Korean regime had started tests with a view to loading intercontinental ballistic missiles (ICBMs) with anthrax. "They can share in its success". "Almost none have worked effectively to halt the regime's military and nuclear ambitions".