DangBaekJeon result, DangBaekJeon became bad money, and SangPyeongTongBo became good money. This is related to Gresham's law, which is a monetary principle stating that "bad money drives out good". The casting of DangBaekJeon was stopped in April 1867. The next year, its distribution was stopped because of an appeal from Choe Ik-hyeon(Hangul: 최익현, Hanja: 崔益鉉), a janglyeong(Hangul:장령, Hanja: 掌令) in Joseon Dynasty. He insisted that DangBaekJeon affected adversely to all classes of the society in the past two years. After its distribution had stopped, DangBaekJeon was exchanged with SangPyeongTongBo or China money(Hangul: 청전, Hanja: 掌令) and was used in iron. Dangbaekjeon
Good Copy Bad Copy film was eventually released for free on the internet as a BitTorrent download. The filmmakers hope that releasing "Good Copy Bad Copy" for free will raise awareness and lead to other local broadcasting networks to show the documentary. The documentary first appeared on The Pirate Bay and then it was officially released under a Creative Commons Attribution-NonCommercial license on the Blip.tv video sharing site. On 8 May 2008, "Good Copy Bad Copy" was shown on SVT2, Swedish Television. On 8 September 2009, "Good Copy Bad Copy" was shown on YLE FST5, Finnish Television. On 5 January 2010, "Good Copy Bad