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How stablecoins will eat payments, and what happens next

Reported by A16zcrypto
Dec 12, 2024· 2 min read
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Key Takeaways
  • • Stablecoins processed 28.5 million unique transactions from 28.5M users in the prior month, establishing demonstrated scale as a payment alternative to traditional gatekeeper-controlled systems.
  • • Transaction costs on stablecoin networks approach zero versus traditional payment rails, enabling businesses—particularly restaurants, retailers, and payment processors—to materially improve margin profiles currently eroded by legacy intermediary fees.
  • • Stablecoins operate as permissionless, programmable payment infrastructure without dependency on banks, payment networks, or central banks, positioning them as a settlement layer competitive with cash and gold for global savings and spending.
  • • Adoption trajectory is expected to accelerate faster than historical payment system transitions, driven by economic pressure on businesses most harmed by current payment option friction and high fees.
  • • Supplemental projections indicate stablecoin transaction volumes could reach $1.5 quadrillion annually by 2035, with potential intersection of stablecoin volumes and major card network transaction levels occurring between 2031–2039.
Summary
Stablecoins are positioned to disrupt the payments industry by eliminating the fee structures and intermediary control that define today's payment landscape, according to analysis from a16z crypto. The current payments ecosystem is dominated by gatekeepers—payment networks, banks, and central banks—that justify high fees through claims of ubiquity and convenience while limiting competitive entry and builder innovation. Stablecoins offer a structural alternative: near-zero transaction costs, expanded payment provider competition, and broader geographic accessibility.

Current adoption metrics demonstrate material traction. In the measured period, 28.5 million unique stablecoin users executed over 600 million transactions, with users distributed across nearly every country. This activity reflects demand for stablecoins as a safe, cheap, and inflation-resistant savings and spending mechanism. Notably, stablecoins are the only widely adopted payment rail—alongside cash and gold—that operates without traditional financial intermediaries or central bank dependency.

The economic incentive driving adoption will originate with businesses most penalized by existing payment friction. Restaurants, retailers, enterprises, and payment processors face material margin compression from current payment option fees. Stablecoins' near-zero transaction cost structure addresses this directly, creating a competitive advantage that will drive initial enterprise adoption. As adoption scales, the permissionless, programmable nature of stablecoin infrastructure creates network effects: improved composability and programmability attract additional users, businesses, and applications, accelerating ecosystem expansion beyond payment settlement.

The timeline for this disruption is expected to compress relative to historical payment system transitions. Although full market transformation will require sustained adoption, stablecoins' cost and technical advantages create strong demand signals that may accelerate transition velocity. Supplemental analysis projects stablecoin transaction volumes could reach $1.5 quadrillion annually by 2035, with stablecoin volumes potentially intersecting major card network transaction levels between 2031 and 2039.

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Sources

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A16zcrypto How stablecoins will eat payments, and what happens next