Neb. Const. art. VI, § 6
All votes shall be by ballot or by other means authorized by the Legislature whereby the vote and the secrecy of the elector's vote will be preserved.
Source: Neb. Const. art. VII, sec. 6 (1875); Transferred by Constitutional Convention, 1919-1920, art. VI, sec. 6; Amended 1972, Laws 1971, LB 339, sec. 1.
Secrecy as to how any elector votes is basic to electoral process. Dugan v. Vlach, 195 Neb. 81, 237 N.W.2d 104 (1975).