12월 15일 Remint 일일 퀴즈 정답(Remint Daily Task) - What was one of the issues the Bitcoins solved?

What was one of the issues the Bitcoins solved?
What was one of the issues the Bitcoins solved?
비트코인이 해결한 문제 중 하나는 무엇입니까?
비트코인이 해결한 문제 중 하나는 무엇입니까?