"If [the United States] keeps thinking that way, it will never be able to move the DPRK even a knuckle nor gain any interests no matter how many times it may sit for talks with the DPRK", Kim said, according to a transcript published by the state-owned Korean Central News Agency.
Mr Kim's remarks suggest an attempt to breathe new life into the stalled negotiations.
"North Korea has tremendous potential for extraordinary growth, economic success and riches under the leadership of Chairman Kim", the American president said.
"We have work to do, but I am confident we will continue to make progress", the secretary of state said. South Korean media has speculated he will take the blame for the unsuccessful Hanoi summit.
Moon is reportedly seeking to hold another summit soon with Kim, possibly to lay the groundwork for a third meeting of the US and North Korean leaders.
Despite the deadlocked negotiations, Kim said his relations with Trump remain excellent.
In Hanoi, the United States came with "completely unrealisable plans" and was "not really ready to sit with us face-to-face and solve the problem", Kim said.
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When asked about Kim's comments, South Korea's presidential office said Seoul is committed toward keeping the atmosphere of dialogue alive and helping negotiations between Washington and Pyongyang resume at an early date.
Defense lawyers have maintained the women were pawns in an assassination orchestrated by North Korean agents.
"The confrontation is likely to continue as there's a low chance that the USA will change its position", Mr Shin said. The meeting, which was cut short by the White House and ended without an agreement, also cast doubt on the "true willingness" of Washington to improve relations with North Korea.
"By that sort of thinking, the USA will not be able to move us one iota even if they sat with us a hundred, thousand times, and will not be able to get what it wants at all", he said.
Ms Choe Son Hui, another official who has played a highly visible role in the United States talks, was promoted to the job of first vice foreign minister, a move that could give her even more sway if discussions resume.
But North Korea has said it wants the U.S.to begin to relax sanctions in exchange for gradual nuclear concessions. "Washington will always make exceptions - as long as Pyongyang has something to offer".
One of the most interesting new appointments was Choe Ryong-hae's ascension to president of the Presidium of the Supreme People's Assembly, displacing one of the most ancient officials in service and completing his political rehabilitation after a stint in a re-education camp in 2015.
But Kim said he did not feel the need to meet Trump just to secure sanctions relief, and said the prospect of another summit like February's meeting in Hanoi was "not inviting".
Unlike his father, Kim Jong-Il, the young Kim has increasingly greeted foreign heads of state and visiting dignatories, performing the functions of a modern head of state.