Moon said Wednesday that he hoped to hold groundbreaking ceremonies within this year for projects to reconnect the two Koreas.
Moon compared this initiative to the gradually expanding ties that Europe instituted after World War II, starting with a six-nation coal and steel community and eventually culminating in the European Union.
The Kremlin's missive was sent to congratulate Kim on National Liberation Day, a holiday celebrated in both Koreas that marks the end of their occupation by Japan in 1945, which was assisted by Soviet and American troops. Washington, which cancelled an annual joint military exercise with South Korea that had taken place in August in previous years, has refused to ease sanctions until North Korea finally and fully denuclearizes.
The global sanctions stop 90 percent of all trade with North Korea and most worldwide finance.
In his opening statement, the North's chief delegate Ri Son Gwon said: "As the Pyongyang meeting of the leaders of the north and south is being discussed, I think talking about the issue will provide answers to the wishes of the people".
"That is certainly a step in the right direction", she said.
In the decades since the war, the vast North Korean propaganda machine that helps its leadership maintain control over the citizenry has been fuelled by efforts to demonise the United States and, to a lesser extent, South Korea. Meanwhile the U.S. has urged the worldwide community to maintain tough sanctions on the isolated regime-Seoul has caught three South Korean firms importing coal and iron from the North a year ago in violation of the measures.
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Referring to imprisoned pastor Andrew Brunson , Trump said "they have a great Christian pastor there, he's a very innocent man". The crisis has been precipitated by investor alarm about President Tayyip Erdogan's influence over monetary policy.
With that in mind, Moon said only when "complete denuclearization" and "peace" are established on the Korean Peninsula, "economic cooperation can be carried in earnest".
Putin invited Kim and the South's President Moon Jae-in in June to an economic forum in Vladivostok next month, although it is not known whether the North Korean leader responded to the invitation.
The North Korea has also accused the United States government of "unilateral and gangster-like demand for denuclearization", following US Secretary of State Mike Pompeo's Pyongyang visit, where he reportedly urged North Korea to take concrete steps toward denuclearization.
While stressing the importance of Pyongyang and Washington striking a deal, for which Moon has assumed the role of a mediator, Moon emphasized it was important to remember the Koreans were "the protagonists" on this whole issue.
Cho, the chief of the South Korean delegation, said the two sides also "talked a lot" about worldwide sanctions meant to punish the North for its development of nuclear weapons, but he didn't elaborate.
South Korean president Moon Jae-in has announced he will head to Pyongyang next month for a third summit with North Korean leader Kim Jong-un.
During their first summit in April, Moon and Kim agreed to seek a formal end to 1950-53 Korean War, which ended with a truce rather than a peace treaty, leaving the sides in a technical state of war.