Now, with inter-Korean tensions easing far more rapidly than North Korea-US strains, that possibility is looking more likely. China and Russian Federation have reportedly increased trade with the country since the summit, and now South Korea has started providing more aid and discussing removing sanctions.
He also said that "eventually" there could be a meeting on USA soil.
The Chinese delegation's visit to North Korea came as Beijing was widely seen as part of a bid to improve its relationship with Pyongyang.
He added that Kim had said he was ready to allow worldwide inspectors into North Korea's Punggye-ri nuclear testing site and the Sohae missile engine test facility as soon as the United States and North Korea agreed on logistics.
In a rare sign of discord between Seoul and Washington, Kang said on Wednesday that U.S. Secretary of State Mike Pompeo had expressed "discontent" with an inter-Korean military pact reached during a summit last month.
On the same day that Kang spoke and Trump issued his brow-beating, China, North Korea and Russian Federation called for eased sanctions.
In a statement released Wednesday by the Russian Ministry of Foreign Affairs following a round of tripartite meetings in Moscow, the three ministers also expressed their support for ongoing talks between the DPRK and both the US and South Korea. Still, the lifting of the 2010 sanctions could offer at least some tangible benefits to the North.
"The perception that sanctions can bring us on our knees is a pipe dream of the people who are ignorant about us, but the problem is that the continued sanctions are continuing our mistrust", Ri said.
He has encouraged U.S. allies to maintain sanctions on North Korea until it denuclearises as part of his administration's "maximum pressure" campaign against Pyongyang.
"For North Korea, the most meaningful result from the lifting of the May 24 measures would be that its ships will be able to travel through Jeju Strait again", said Koh, referring to waters between South Korea's mainland and the southern island of Jeju. "This indicates that Seoul is unhappy with the Americans: If Kang made a faux pas, she would be fired". "The three parties also oppose unilateral sanctions".
The statement contradicts the "maximum pressure" strategy pursued by Washington and enthusiastically endorsed by Tokyo, but which Seoul now appears to be wavering on: It calls for sanctions to remain in place until denuclearization is complete.
In her remarks to the Washington Post, Kang also differed with the United States view on the denuclearization process. Last month's third summit in Pyongyang was partly aimed at salvaging faltering nuclear talks between the North and the United States.
She suggested instead the dismantlement of the Yongbyon nuclear reactor complex - an idea North Korea has put forward, in return for vague, reciprocal U.S. steps.
Pompeo told a reporter travelling with him Monday that "we made significant progress".