 Despite the failure of Hinh's alleged coup, the French continued to encourage Diệm's enemies in an attempt to destabilize him.On 31 December 1954, Diệm established the National Bank of Vietnam and replaced the Indochinese banknotes with new Vietnamese banknotes.In early 1955, although American advisors encouraged Diệm to negotiate with the leaders of the political-religious forces who threatened to overthrow his position and to forge an anti-communist bloc, he was determined to attack his enemies to consolidate his power.