Barcodes on ballots could violate secret voting rulesThe barcodes and QR codes on ballots could violate secret voting rules. A heated debate has erupted online over barcodes and QR codes printed on election ballots, with voters questioning whether the codes could be used to trace who voted for whom, potentially violating constitutional guarantees of ballot secrecy. Since polling station officials record the sequence in which ballots are issued, and ballot stubs contain corresponding numbers, the ballots could theoretically be matched to individual voters, fundamentally contradicting the principle of secret voting. Notably, yellow ballots for the constitutional referendum contained no barcodes or QR codes. The yellow ballots for the constitutional referendum contained no barcodes or QR codes.

Source: Bangkok Post February 13, 2026 18:37 UTC