
A Bank of Italy study of 200 USDC transfers across 10 corridors found costs ranging from 0.3% to 9%, with fiat fees driving the expense. Stablecoins beat the 6.65% global average but lost to Wise in four of seven corridors.
The Bank of Italy ran 200 real USDC transfers across 10 payment corridors connecting Italy with Brazil, Argentina, Japan, the UAE and South Africa. The goal was to compare total costs and settlement times against conventional remittance services. The results undercut the standard crypto pitch: blockchain fees were negligible, but exchange fees and currency conversion – the fiat on-ramps and off-ramps every stablecoin transfer still depends on – drove the real expense.
Costs ranged from 0.3% to nearly 9% across the 10 corridors, the researchers said. The 0.3% end looked competitive on paper. The 9% end was worse than most wire transfers. Where a corridor landed on that spectrum depended heavily on local payment infrastructure and regulation, the study found. Transfers settled in under 20 minutes where instant payment rails existed. Where they did not, settlement took one to two business days – no faster than a standard bank transfer.
The World Bank pegs the global average remittance cost at 6.65%. Stablecoin transfers beat that number in most corridors. But the more telling comparison is against Wise, the fintech platform that already squeezed margins hard. Stablecoins only outperformed Wise in three of seven comparable corridors. In four corridors, Wise won, the researchers said. That result suggests the “cheaper and faster” narrative needs serious qualification, especially when the benchmark is a tech-forward competitor, not a legacy bank charging 8%.
The study did not frame the results as a condemnation. The researchers pointed to domestic instant payment infrastructure as a key variable. Invest in better payment rails locally, and stablecoin remittances become more competitive fast. The blockchain layer is not the bottleneck. The local financial plumbing is.
Regulatory design also made or broke a corridor’s efficiency. Prohibitionist regulations do not kill demand for stablecoins, the researchers said – they push users toward offshore platforms, which bring their own fees and less consumer protection. Restrictive frameworks that stop short of outright bans still complicate retail operations enough to erode whatever cost advantage stablecoins might otherwise offer.
The EU’s MiCA framework and the U.S. GENIUS Act are now live, setting new rules for crypto assets and payment stablecoins. Whether those frameworks help or hurt corridor efficiency probably depends on implementation details that are not fully clear yet. MiCA at least creates a unified licensing regime across EU member states, which could reduce fragmentation. The GENIUS Act’s impact on cross-border flows is murkier.
Meanwhile, the stablecoin market has grown to roughly $307 billion – up about 16% over the past year, per DefiLlama data. That growth did not happen because remittances are broken. Stablecoins found other use cases: trading, DeFi collateral, dollar access in high-inflation economies. But remittances were always part of the pitch, and the Bank of Italy’s work suggests that pitch needs more work before it holds up consistently.
The fiat friction problem is not new. Anyone who has actually used a stablecoin for a real cross-border payment knows the blockchain leg is the easy part. Getting local currency in at one end and out at the other – that is where time and money disappear. The study’s point about fiat on- and off-ramp frictions is probably the most actionable finding. Fix those, and the underlying blockchain efficiency actually starts to matter. Do not fix them, and you are just moving the same old costs around with extra steps.
There is also a speed asymmetry worth noting. In corridors with instant payment infrastructure, stablecoins were genuinely fast – under 20 minutes. In corridors without it, the settlement time collapsed to something indistinguishable from traditional methods. The stablecoin is not slow. The receiving bank is slow. That is a political and infrastructure problem, not a crypto problem, but it lands on the stablecoin’s scorecard anyway.
The 200-transfer sample covered 10 corridors. Unclear whether the researchers plan a larger follow-up study or whether this remains a one-off snapshot.
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