Fifteen years ago, the idea of sending money to someone with a username and a tap was novel. Domestic peer-to-peer apps — Venmo in the US (2009), Bizum in Spain (2016), M-Pesa in Kenya (2007), GCash in the Philippines (2004), UPI in India (2016), Pix in Brazil (2020) — each rebuilt the within-country payment experience around handles, instant settlement, and zero per-transaction fees on personal transfers. Within a decade, hundreds of millions of users in dozens of countries adopted the model. The within-country payment-experience problem was, by any reasonable measure, solved.
What this also did was expose how badly the cross-border peer-to-peer experience worked by comparison. The moment a transaction crossed a national border, users dropped out of the peer-to-peer experience and into the world of correspondent banks, SWIFT codes, IBAN numbers, FX margins, and "1-3 business days." The network effect that drove domestic P2P adoption ran into a structural ceiling at the country line.
The future of peer-to-peer payments is, in large part, the work of dismantling that ceiling.
Three forces pulling P2P forward — and one constraint holding it back
Three trends are reshaping the P2P landscape simultaneously, and one constraint continues to define what the future looks like.
Real-time payment systems are rolling out everywhere. FedNow launched in the US in 2023; SEPA Instant has been operating in Europe since 2017 and is now mandatory across the eurozone (2025); UPI in India processes more transactions than Visa and Mastercard combined; Pix in Brazil reached over 150 million users within four years of launch; Singapore's PayNow, Australia's PayID, Thailand's PromptPay, and dozens of others. Real-time domestic settlement has become the default expectation rather than the exception. Within-country, money moves instantly.
The G20's "Roadmap for Enhancing Cross-Border Payments" set a target that 75% of cross-border retail payments should be credited to recipients within one hour of initiation by 2027. As of the BIS CPMI's 2024 monitoring survey, only 35% currently meet this bar — and the corridors that disproportionately miss it (Gulf to South Asia, US to Latin America, UK to Africa) are exactly the ones that handle the largest volume of cross-border personal payments by transaction count.
Mobile-first is the operating assumption. Smartphone penetration in emerging markets has overtaken bank-account penetration. There are 1.3 billion adults globally without a formal bank account; over 900 million of them have a mobile phone (Global Findex Database, World Bank, 2022). Any payment infrastructure that requires a bank-issued card or account is structurally excluded from a population larger than the entire user base of most domestic P2P apps.
Card networks are losing share to direct rails. The 30-year dominance of Visa and Mastercard interchange-fee economics is showing genuine pressure. UPI, Pix, and similar systems route around card networks entirely. The merchant economics of accepting peer-to-peer rails versus card payments increasingly favour P2P. The "card terminal as the only way to accept payment" assumption that built modern retail is no longer the only valid one.
The constraint: cross-border interoperability. No single peer-to-peer network operates across borders at the same level of simplicity it operates within them. Some bilateral linkages exist (PayNow-PromptPay between Singapore and Thailand; UPI international links to Singapore, France, UAE); these are limited and slow to expand. The fundamental problem — that domestic P2P networks were built one country at a time — does not fix itself by stacking more domestic networks.
Real-time domestic payment systems now operate in over 70 countries; UPI in India processes more transactions than Visa and Mastercard combined globally. Cross-border settlement, by contrast, is reached within one hour for only 35% of payments — against a G20 target of 75% by 2027. The gap between within-country and between-country experience is the single largest open problem in payments today.
— BIS, 2024 cross-border payments monitoring survey, 2025; UPI / NPCI India transaction data
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