Key Takeaways
- • Stablecoins processed $46 trillion in transaction volume in 2025, representing over 20x PayPal's volume and nearly 3x Visa's volume, with Q1 2026 adjusted volume reaching approximately $4.5 trillion following passage of the GENIUS Act in the U.S.
- • Consumer-to-business (C2B) stablecoin transactions more than doubled year-over-year to 284.6 million in 2025 from 124.9 million in 2024, marking the fastest-growing use case alongside emergence of stablecoin card infrastructure with monthly collateral deposits exceeding $300 million by early 2026.
- • Stablecoin transactions now settle in under one second for less than one cent, creating cost advantages that position stablecoins as foundational financial infrastructure for global payments, real-time cross-border worker compensation, and merchant settlement without traditional banking intermediaries.
- • Regulatory frameworks—including the U.S. GENIUS Act and Europe's Markets in Crypto-Assets (MiCA) regulation—have amplified institutional participation and created persistent demand for non-USD stablecoins, with European stablecoin activity stabilizing at $15–25 billion monthly post-MiCA implementation.
- • New generation of startups are building on/off-ramps connecting stablecoins to local payment systems, QR codes, real-time payment rails, and card-issuing platforms, broadening accessibility and positioning stablecoins as programmable infrastructure for fintech builders competing with traditional payment networks.
Summary
Stablecoins have transitioned from a niche cryptocurrency trading tool to core financial infrastructure, according to a16z crypto's assessment of 2026 market trends. The category processed an estimated $46 trillion in transaction volume in 2025—a volume milestone that exceeds PayPal by more than 20x and approaches Visa's throughput at nearly 3x the payment giant's volume. This scaling follows major technical improvements that reduced transaction costs to below one cent per transfer, with settlement occurring in under one second. By Q1 2026, adjusted stablecoin volume reached approximately $4.5 trillion, with growth accelerating following passage of the GENIUS Act, which established the first federal framework for stablecoin issuance in the United States.
The evolution of stablecoin use cases reveals a fundamental shift in adoption patterns. Peer-to-peer (C2C) transactions generated 789.5 million transactions in 2025, dominating by raw count, but consumer-to-business (C2B) transactions represent the fastest-growing segment, more than doubling from 124.9 million in 2024 to 284.6 million in 2025. This data suggests organic, non-speculative use is expanding independent of cryptocurrency market cycles. Stablecoin card infrastructure demonstrates the practical deployment of this trend: monthly collateral deposits across Rain-powered stablecoin card programs—including platforms such as Etherfi Cash, Kast, and Wallbit—grew from near zero in November 2024 to over $300 million monthly by early 2026.
Regulatory clarity has amplified institutional participation in stablecoin markets. The U.S. GENIUS Act provided the first coherent federal framework, though data shows volume was already rising before its passage; the Act accelerated existing momentum. Europe's Markets in Crypto-Assets (MiCA) regulation, which took full effect at the end of 2024, produced a more complex outcome: several major exchanges delisted USD Tether (USDT) to comply, creating a spike in non-USD stablecoin activity exceeding $40 billion briefly before stabilizing at a persistent higher baseline of $15–25 billion monthly—evidence that regulation can create new market segments where demand did not previously exist.
The infrastructure challenge of connecting stablecoins to existing financial systems is being addressed by an emerging layer of startups deploying cryptographic proofs for private local-to-digital currency swaps, regional payment network integrations leveraging QR codes and real-time payment rails, and interoperable global wallet and card-issuing platforms. These on/off-ramp solutions are positioning stablecoins to function as programmable money accessible to builders and merchants without bank accounts or traditional payment gatekeepers. Jeremy Zhang of a16z crypto characterizes this development as stablecoins shifting from niche tools to foundational settlement layers for the internet, enabling real-time cross-border worker compensation and merchant acceptance of global dollars as mainstream payment behavior.
The evolution of stablecoin use cases reveals a fundamental shift in adoption patterns. Peer-to-peer (C2C) transactions generated 789.5 million transactions in 2025, dominating by raw count, but consumer-to-business (C2B) transactions represent the fastest-growing segment, more than doubling from 124.9 million in 2024 to 284.6 million in 2025. This data suggests organic, non-speculative use is expanding independent of cryptocurrency market cycles. Stablecoin card infrastructure demonstrates the practical deployment of this trend: monthly collateral deposits across Rain-powered stablecoin card programs—including platforms such as Etherfi Cash, Kast, and Wallbit—grew from near zero in November 2024 to over $300 million monthly by early 2026.
Regulatory clarity has amplified institutional participation in stablecoin markets. The U.S. GENIUS Act provided the first coherent federal framework, though data shows volume was already rising before its passage; the Act accelerated existing momentum. Europe's Markets in Crypto-Assets (MiCA) regulation, which took full effect at the end of 2024, produced a more complex outcome: several major exchanges delisted USD Tether (USDT) to comply, creating a spike in non-USD stablecoin activity exceeding $40 billion briefly before stabilizing at a persistent higher baseline of $15–25 billion monthly—evidence that regulation can create new market segments where demand did not previously exist.
The infrastructure challenge of connecting stablecoins to existing financial systems is being addressed by an emerging layer of startups deploying cryptographic proofs for private local-to-digital currency swaps, regional payment network integrations leveraging QR codes and real-time payment rails, and interoperable global wallet and card-issuing platforms. These on/off-ramp solutions are positioning stablecoins to function as programmable money accessible to builders and merchants without bank accounts or traditional payment gatekeepers. Jeremy Zhang of a16z crypto characterizes this development as stablecoins shifting from niche tools to foundational settlement layers for the internet, enabling real-time cross-border worker compensation and merchant acceptance of global dollars as mainstream payment behavior.
Go deeper than the headline
Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.