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Stablecoins had a politically charged week from July 17 to 23. Central banks focused on the risks posed by private digital dollars, while businesses and investors continued building stablecoin payment infrastructure.
The week’s central tension was no longer whether stablecoins compete with banks, but which parts of banking they could absorb.
European Central Bank executive board member Piero Cipollone warned that banks already lose fees and customer data to mobile-payment platforms and could also lose retail deposits as stablecoin use expands. The 1-2-3 combo could prove a major threat to banks, particularly smaller ones in smaller communities. The ECB is presenting the digital euro, distributed through commercial banks, as a way to preserve European monetary sovereignty and bank-customer relationships.
The Bank for International Settlements added a global policy concern. Its study of more than 130 economies found that dollar-pegged stablecoin flows appear largely unaffected by capital-flow restrictions because some activity takes place outside the regulated perimeter. The researchers also found that stablecoin-driven dollarization could be difficult to reverse once established.
Private capital is betting on integration rather than displacement. Augustus raised $180 million at a $1-billion valuation to develop a federally chartered clearing bank connecting SWIFT, ACH, and SEPA with stablecoin settlement.
Total supply: $311.01 billion | +0.45% 7d
USDT dominance: 59.21% | USDC supply: $74.35 billion
On-chain DEX volume: $36.23B | -11.84% vs. prior week
Source: DefiLlama. Data as of July 23, 2026, UTC. Decentralized exchange (DEX) volume is used here as a transparent proxy for onchain trading activity rather than total stablecoin transfer volume.
USDC (USDC) was the clearest large-cap supply gainer, rising 1.61% over seven days, while Tether’s USDt (USDT) increased only 0.04%. Global Dollar was the standout mid-sized mover, expanding 11.84% to $3.26 billion. Overall stablecoin supply grew modestly, but most of the gains came from outside USDT.
Adoption also became more operational. Dollar-linked stablecoins account for roughly 90% of Brazil’s crypto transaction volume, with the country processing an estimated $6 billion-$8 billion in crypto each month. Brazil’s central bank is nevertheless preparing restrictions on using stablecoins for regulated cross-border settlement, part of ongoing tension between Brazil and the United States on payment systems. While Brazil’s native Pix payments system is used by over 90% of adults in the country, largely replacing Visa and Mastercard, demand for USD remains mostly unchanged. That’s due at least in part to growing stablecoin use, which remains dollar-focused.
In Japan, logistics company AZ-COM Maruwa plans to use regulated yen stablecoin JPYC to pay around 2,300 subcontractors and drivers. JPYC circulation has passed 2 billion Japanese yen, while the company sees faster payments as one tool for attracting partners amid labor shortages.
US regulators passed the GENIUS Act’s July 18 deadline without a final implementation of the rules. The delay does not move the law’s Jan. 18, 2027, effective date, leaving issuers and regulators less time to finalize reserve, liquidity, customer identification, and Anti-Money Laundering requirements.
The market is wildly underestimating the odds of the CLARITY Act passing.
On top of that, people don't even realize that while the GENIUS Act was signed into law, it only becomes effective in January 2027.
The floodgates for crypto's biggest killer use case aka stablecoins are… https://t.co/CJNcTqn1yx
— Simon Dedic (@sjdedic) July 21, 2026
Despite the delay, the regulation remains perhaps the single most important piece of crypto regulation to date, and if signed into law, it could accelerate stablecoin adoption even further.
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