[1] Walser worked as the princely state treasury and later an insurance specialist and the innkeeper of a firm introduced to him by his wife.

[1] Starting from 1926, Walser, along with Franz Thöny, Niko Beck and Rudolf Carbone embezzled funds from the National Bank of Liechtenstein for various speculative transactions.

[5] This included the expansion of the class lottery in Liechtenstein and Romania, which was operated by Walser and had the legal representation of President of the Landtag of Liechtenstein Wilhelm Beck,[6] who was also chairman of the bank's board of directors.

[5] The scandal directly led to the forced resignation of the government of Gustav Schädler and early elections being called.

[1] Walter married Alma Kirchthaler (24 September 1884 – 15 December 1951) on June 8 1914 and they had five children together.