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WEBTHREEPEDIA RESEARCH

[DEEP DIVE] Card Networks Spend $2.9B on Stablecoin Plumbing

Zephyra|July 1, 2026|BPF
EXECUTIVE SUMMARY

Payment networks spent $2.9 billion in the past 18 months acquiring stablecoin infrastructure companies. Stripe closed its $1.1 billion purchase of Bridge in February 2025. Mastercard announced a $1.8 billion deal for BVNK in March 2026. Both acquirers have since opened those platforms to third p...

"The next phase of stablecoin adoption is about real-world utility, especially in settlement, where timing and liquidity matter most." — Raj Dhamodharan, Executive Vice President of Blockchain and Digital Assets, Mastercard

Executive Summary

Payment networks spent $2.9 billion in the past 18 months acquiring stablecoin infrastructure companies. Stripe closed its $1.1 billion purchase of Bridge in February 2025. Mastercard announced a $1.8 billion deal for BVNK in March 2026. Both acquirers have since opened those platforms to third parties, enabling any company to launch a branded, dollar-backed stablecoin with minimal engineering overhead.

The result is a structural shift in how stablecoins are issued and settled. Visa's stablecoin settlement pilot hit a $7 billion annualized run rate across nine blockchains in April 2026. Mastercard activated on-chain card settlement with six stablecoins — USDC, RLUSD, PYUSD, USDG, USDP, and SoFiUSD — across eight chains. MoneyGram launched MGUSD on Stellar for its 60 million customers. The total stablecoin market cap crossed $323 billion. Q1 2026 transfer volume reached $4.5 trillion. The payment rails are being rebuilt, and the card networks intend to own the plumbing.

Table of Contents

  1. The Acquisition Spree
  2. Card Networks Go On-Chain
  3. The White-Label Stablecoin Factory
  4. The Economics: Who Captures the Yield
  5. The Regulatory Catalyst
  6. Market Data Snapshot
  7. Key Takeaways
  8. Conclusion

The Acquisition Spree

Two acquisitions define the infrastructure land grab.

Stripe–Bridge ($1.1 billion, closed February 2025). Stripe's largest-ever acquisition gave it Bridge, a stablecoin orchestration layer that handles minting, burning, compliance, and treasury management via API. Bridge received a conditional national trust bank charter from the OCC in February 2026, granting it federal oversight for stablecoin issuance and reserve management. The charter positions Bridge — and by extension Stripe — as a federally supervised stablecoin issuer under the GENIUS Act framework.

Mastercard–BVNK ($1.8 billion, announced March 2026). BVNK, a London-based stablecoin infrastructure firm founded in 2021, processes approximately $30 billion in annual transaction volume across 130+ countries. The deal, which includes $300 million in performance-contingent payments, gives Mastercard native infrastructure to connect fiat card rails with on-chain settlement. Regulatory approval is expected by late 2026, according to CNBC.

Combined spend: $2.9 billion. Combined annual volume of the acquired platforms: over $30 billion through BVNK alone, with Bridge's volume undisclosed but powering stablecoin financial accounts in 101 countries.

Visa took a different route: partnerships. In June 2026, Visa announced a collaboration with Brale to explore private stablecoin settlement on the Canton Network for institutional payments, focusing on privacy-preserving infrastructure where transaction data visibility is restricted to counterparties.

Card Networks Go On-Chain

The three largest card networks are now actively settling transactions using stablecoins.

Visa expanded its stablecoin settlement pilot to nine blockchains on April 29, 2026, adding Arc, Base, Canton, Polygon, and Tempo to its original four (Avalanche, Ethereum, Solana, Stellar). The program hit a $7 billion annualized run rate, a 50% quarter-over-quarter increase. Visa supports stablecoin-linked card programs in more than 50 countries. For context, Visa processed $14.2 trillion in total payments in fiscal 2025 — the stablecoin volume is 0.05% of that, but growing at a pace that implies structural integration rather than experimentation.

Mastercard announced on June 3, 2026 that it would add stablecoin options to its settlement capabilities. The system supports six stablecoins — Circle's USDC, Ripple's RLUSD, PayPal's PYUSD, Paxos-issued USDG, USDP, and SoFiUSD — across eight blockchains: Arbitrum, Base, Canton, Ethereum, Polygon, Solana, Tempo, and XRPL. Settlement runs intraday and extends to weekends and holidays, eliminating the liquidity gaps of traditional batch windows. Early adopters include ARQ, CBW Bank, and Nuvei in the U.S. and Latin America. Mastercard secured a New York BitLicense in May 2026.

Visa and Bridge (Stripe) jointly rolled out stablecoin-linked debit cards in 100+ countries, allowing cardholders to spend stablecoin balances at any Visa-accepting merchant.

The net effect: stablecoin settlement is no longer a parallel system. It is being embedded into the existing card-network infrastructure that processes trillions annually.

The White-Label Stablecoin Factory

The most consequential product in this cycle may be Bridge's Open Issuance platform, launched in September 2025. It allows any business to create, manage, mint, and burn its own branded stablecoin through a few lines of code. Businesses retain control over the product experience and plug into Bridge's shared liquidity network.

The results are visible. In 2026:

  • MoneyGram launched MGUSD on the Stellar blockchain on June 2, issued through Bridge (Stripe). Initial availability covers U.S. users with a planned rollout across MoneyGram's 60 million global customers. Bridge handles issuance; M0 provides the smart contract infrastructure.
  • Mosta launched MainUSD, issued by Brale, for cross-border settlement on its AI-native banking platform, announced June 23, 2026.
  • SoFi became the first U.S. national bank to issue a stablecoin (SoFiUSD) on a public blockchain, using Paxos infrastructure.
  • Hyperliquid launched USDH as a native stablecoin for its perpetual futures platform.

The infrastructure providers enabling this wave include three primary platforms: Bridge (Stripe), Paxos (behind PayPal's PYUSD, SoFiUSD, and USDG), and Brale (behind Mosta's MainUSD and Visa's Canton settlement pilot). Each provides the compliance layer, treasury management, and reserve infrastructure that removes the need for individual companies to build blockchain engineering teams.

The model mirrors cloud computing's evolution: from running your own servers to consuming infrastructure-as-a-service. The issuance layer is being commoditized.

The Economics: Who Captures the Yield

The financial incentive is straightforward. Tether reported $10 billion in profit for 2025. Circle's margins run at approximately 38%. Both issuers earn yield on reserves — primarily U.S. Treasuries and cash equivalents — while the businesses that drive stablecoin adoption (exchanges, payment apps, fintechs) receive little of that revenue.

The white-label model inverts this. When a company issues its own branded stablecoin through Bridge or Paxos, it captures a portion of reserve yield that would otherwise flow to Circle or Tether. Bridge's Open Issuance platform explicitly advertises that businesses can "earn rewards from reserves."

The Open USD consortium, announced June 30, 2026 with 140+ partners including Visa, Stripe, Mastercard, BlackRock, and Coinbase, makes this economics explicit. Open USD charges zero fees to mint and redeem, with no volume caps. Nearly all reserve earnings are shared with partners, minus a small management fee. Governance sits with an independent board composed of partner businesses.

This is the economic logic driving the branded stablecoin wave: reserve yield redistribution. If the total stablecoin market cap holds at $323 billion and reserves earn approximately 4.5% on short-dated Treasuries, the annual reserve yield pool is roughly $14.5 billion. The question of who captures that revenue — a single issuer like Tether, or a distributed network of branded issuers — is the central economic contest of 2026.

The GENIUS Act complicates this picture. The statute prohibits paying "any form of interest or yield" to stablecoin holders. The OCC's proposed rules extend this restriction to affiliate or third-party arrangements designed to replicate yield economics. Reserve yield can flow to the issuer and its partners, but not to the end user. This creates a structural incentive for companies to become issuers rather than holders.

The Regulatory Catalyst

The GENIUS Act, signed July 18, 2025, required six federal agencies — the OCC, FDIC, NCUA, Treasury, FinCEN, and OFAC — to finalize stablecoin regulations by July 18, 2026. As of late June, all six had published proposed rules, but the Federal Reserve Board had not yet issued its proposal. If agencies miss the deadline, the Act automatically takes effect by January 18, 2027.

Key requirements under the Act:

  • 1:1 reserves in cash and short-dated Treasuries
  • Monthly public disclosures of reserve composition
  • No yield to holders, reinforced by OCC anti-evasion provisions
  • Federal or state charter required for issuers above $10 billion in circulation

Bridge's OCC charter, secured in February 2026, positions it as one of the first GENIUS Act-ready issuers. This gives Stripe a first-mover advantage in a market where compliance infrastructure is the primary barrier to entry.

Meanwhile, MiCA's full enforcement hit on July 1, 2026 in the EU, and the UK's Financial Conduct Authority published its final crypto rulebook, including a £40 billion issuance guardrail per systemic stablecoin. The regulatory environment across the U.S., EU, and UK is now broadly aligned on the principle that stablecoins are payment instruments requiring bank-like oversight.

Market Data Snapshot

| Metric | Value | Source | |--------|-------|--------| | Total stablecoin market cap | $323B (May 2026 ATH) | DefiLlama, Bitcoin Foundation | | Q1 2026 transfer volume | $4.5T (transfers); $28T (all transactions) | Forbes, Stablecoin Insider | | USDT market cap | ~$188B (57.96% share) | MacroMicro | | USDC market cap | ~$78B | DefiLlama | | Visa stablecoin settlement run rate | $7B annualized (April 2026) | The Block, Visa | | Visa stablecoin blockchains | 9 | Visa investor relations | | Mastercard stablecoin blockchains | 8 | Mastercard press release | | Stripe–Bridge acquisition | $1.1B (closed Feb 2025) | Stripe | | Mastercard–BVNK acquisition | $1.8B (announced Mar 2026) | CNBC | | BVNK annual transaction volume | ~$30B | Fortune | | Bridge Open Issuance launch | September 2025 | Stripe blog | | Open USD consortium partners | 140+ | Bloomberg | | Estimated annual reserve yield pool | ~$14.5B (at 4.5% on $323B) | Author calculation |

Key Takeaways

  • $2.9 billion in acquisitions by Stripe and Mastercard have consolidated stablecoin infrastructure under card-network ownership. Visa is building through partnerships rather than acquisitions.

  • Card settlement is going on-chain. Visa settles across nine blockchains; Mastercard across eight. Both support multiple stablecoins with intraday, weekend, and holiday settlement — something traditional card settlement does not offer.

  • White-label issuance is commoditizing stablecoins. Bridge, Paxos, and Brale let any company launch a branded stablecoin in weeks. MoneyGram, SoFi, Mosta, and Hyperliquid all issued branded stablecoins in 2026.

  • The economic prize is ~$14.5 billion in annual reserve yield. The GENIUS Act prohibits paying yield to holders but permits issuers and their partners to capture it. This creates a structural incentive for companies to issue rather than use third-party stablecoins.

  • Regulation is accelerating adoption, not blocking it. The GENIUS Act, MiCA, and UK FCA rules collectively provide the compliance framework that card networks and banks require to participate.

Conclusion

The stablecoin market is undergoing a structural transformation from a two-issuer duopoly (Tether and Circle control approximately 82% of the $323 billion market) to a distributed issuance model where payment networks, banks, and fintechs issue their own branded tokens on shared infrastructure.

The economics are clear: reserve yield worth approximately $14.5 billion annually is being redistributed from issuers to the platforms that drive distribution. The card networks — controlling the rails through which trillions flow — have positioned themselves as both the settlement layer and the infrastructure providers, spending $2.9 billion on acquisitions to secure that position.

This is not a crypto narrative about decentralization. It is a payments infrastructure story about who controls the settlement layer for global commerce. The answer, increasingly, is the same companies that controlled it before — Visa, Mastercard, and Stripe — now operating on blockchain rails.

Sources & References

  1. Mastercard to Acquire BVNK for $1.8 Billion — CNBC, March 17, 2026
  2. Introducing Open Issuance from Bridge — Stripe Blog, September 2025
  3. Visa Accelerates Stablecoin Momentum: Adding Five Blockchains — Visa Investor Relations, April 29, 2026
  4. Mastercard Expands Settlement Capabilities to Include Stablecoin — Mastercard, June 3, 2026
  5. MoneyGram Launches MGUSD on Stellar — CoinDesk, June 2, 2026
  6. Visa and Brale Explore Private Stablecoin Settlement — Visa, June 4, 2026
  7. Visa, Stripe Among Firms Linking Up on Mainstream Stablecoin — Bloomberg, June 30, 2026
  8. Stablecoin Volume Hits Record $4.5T in Q1 2026 — Forbes, April 29, 2026
  9. Stablecoin Market Cap Tops $323B — Bitcoin Foundation, May 2026
  10. OCC Proposes GENIUS Act Rules — OCC Bulletin, February 25, 2026
  11. Mosta Launches MainUSD — Finextra, June 23, 2026
  12. Stablecoin Interest, Yield, and Rewards Under GENIUS Act — Perkins Coie, 2026