The state-built rail that beat the private sector: Pix’s design choices, winners, losers and the business models it created.
Startup · Topic
Fintech & Digital Payments
Expert guides, analysis and tool comparisons on Fintech & Digital Payments from the kurums.com Startup desk — written for business decision-makers and updated as the market moves.
- 5 guides
- Updated Aug 19, 2026
Latest in Fintech & Digital Payments
EBANX: The Curitiba Unicorn Connecting the World to Latin American Wallets
The invisible bridge of Latin e-commerce: EBANX’s merchant-of-record empire, from boleto hacks to 29 countries.
Stone: The Green Army That Took On Brazil’s Payment Giants
Same-day service, city hubs and a near-death credit crisis: how Stone built and rebuilt Brazil’s SME payments champion.
PagBank: How PagSeguro Banked Brazil’s Street Entrepreneurs
Cheap card readers, instant onboarding, then full banking: how PagSeguro turned Brazil’s informal economy into a fintech giant.
Nubank: How a Purple Card Conquered 100 Million Customers
The defining consumer-fintech story of the Global South: Nubank’s rise from waitlisted card to 100-million-customer platform.
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