Emerging markets have long imported the infrastructure their economies run on, and with it someone else's terms, costs and priorities. Cambodia built its own: a national payment network that connects banks and e-wallets behind a single QR code, designed as a foundation others can extend. The remarks argue that public technology has become a measure of national strength, and ask what it takes for an emerging economy to own digital public infrastructure that stays within reach on cost, ready for what comes next, and open to the banks, founders and neighbouring countries that will grow on top of it.