[ethan_smith]

Government-run electronic payment systems would face enormous technical scaling challenges, security vulnerabilities, and implementation costs that likely exceed private systems when accounting for taxpayer burden and bureaucratic inefficiencies.

[idle_zealot]

Oh, dang, really? I'll have to go inform every country that uses a government epay system that actually they should let MasterCard take over.

[bediger4000]

Security vulnerabilities on the scale of the "carding" market? There's entire cybercrime sectors based on various forms of credit card fraud. Given the UK's "phantom withdrawal" situation 25-30 years ago, it wouldn't surprise me in the least to hear of a credit card issuing bank or two being entirely fraudulent.

[fmobus]

Pix sends its regards.

It costs the Brazilian government around $10M yearly to maintain[1]. A bargain.

[1] https://www.infomoney.com.br/economia/custo-para-manter-pix-...