Oobit Enables Direct Crypto Spending at 150M+ Visa Merchants via Arbitrum

💳 Crypto meets Visa

By Arbitrum
Jun 8, 2026, 2:21 PM
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Oobit has launched programmable payment infrastructure on Arbitrum, allowing users to spend cryptocurrency directly from onchain balances at over 150 million Visa merchants globally.​

Key features:

  • Instant settlement with predictable costs
  • Customizable payment infrastructure
  • Direct spending from onchain balances
  • Global Visa merchant acceptance

The integration demonstrates how blockchain-based payment systems can connect to traditional retail infrastructure, enabling businesses to build payment solutions around existing product operations.​

Sources

The global economy is making the shift from manual systems into programmable infrastructure. Businesses want the ability to launch markets that are GTM-ready and globally accessible. Institutions are evaluating blockchain infrastructure based on reliability, customization and

Arbitrum
Arbitrum
@arbitrum

x.com/i/article/2034…

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Replying to @arbitrum

Programmable trading is scaling with @variational_io. Deep liquidity, predictable execution, and global distribution enable trading infrastructure to scale across asset classes on the Arbitrum Platform. With $211B+ in volume and expansion into TradFi underway, trading is

Variational
Variational
@variational_io

Welcome back to the Variational biweekly update! PRODUCT ➡️ The most recent mainnet release was v0.15.1. ➡️ Added default TP/SL slippage limits of 3%. ➡️ Prepared competition leaderboard for competition 2. ➡️ Miscellaneous performance improvements for trading history CSV

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Replying to @arbitrum

TradFi assets are gaining real traction in the programmable economy. @ostium reached $50B+ in cumulative volume in April, with 66% coming from TradFi markets. As capital becomes more programmable (bringing in more participants and deeper composability), volume will continue

Ostium
Ostium
@Ostium

$50,000,000,000 in cumulative trading volume. 66% of that volume has been traditional assets. Ostium is the gateway to global markets.

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Programmable markets make settlement instant and operations more efficient. That’s why businesses are building on the Arbitrum Platform: +$78M in @USDT0_to capital flowed into the platform in just one week. Fintechs moving in this direction are positioned to win.

USDT0
USDT0
@USDT0_to

In one week, we saw $50M move from Ethereum into purpose-built chains plus: • $78M net into @arbitrum • $15M net into @Plasma Traditional finance takes days to move money. Now, capital can move to meet demand across 249 routes in an instant.

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From tokenized stocks and RFQ liquidity rails to regulated asset issuance and billions in transfer volume. The world’s financial infrastructure is becoming programmable on Arbitrum.

Datawarlock 🪓 (On a Programmable Arc)
Datawarlock 🪓 (On a Programmable Arc)
@on_datawarlock

RWA szn on @Arbitrum > @Ostium integrates @Nasdaq market data to power stock perpetuals onchain > @variational_io raises $50M to aggregate RWA liquidity through its RFQ infrastructure > @Plume secures a Bermuda Digital Asset License, joining Circle, Coinbase, and Kraken in

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Rise is growing the programmable economy with global payments. By making payroll programmable, costs are reduced, payments become borderless and businesses gain more control over how and when money moves. With more than $1B+ lifetime volume and $400M+ in USDC and USDT

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Programmable Markets compress settlement from days to seconds.

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Arbitrum
Arbitrum
@arbitrum

If you buy or sell a traditional stock on Monday, the trade usually settles on Tuesday. In tokenized markets, value can move and settle in seconds. Programmable markets reduce settlement time, and lower operational friction. Fintechs moving in this direction are going to win.

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Replying to @arbitrum

Cross-chain liquidity is going programmable with @SupersetFinance. With deep liquidity, reliable execution, and low costs on the Arbitrum Platform, capital movement becomes more seamless. As markets become programmable, liquidity moves freely across chains.

Superset
Superset
@SupersetFinance

Introducing @Arbitrum as the Superset hub chain. This is the logical choice to align security, speed, cost and liquidity, and ensure unified stablecoin execution infrastructure works. It's time FX came onchain 🤝

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Programmable finance only matters if it reaches the global economy. With @oobit on the Arbitrum Platform, users can now spend directly from their onchain balance at 150M+ Visa merchants worldwide. The programmable economy just hit retail.

Oobit
Oobit
@oobit

Arbitrum has saved its users $11 billion in gas fees. Getting crypto to checkout was still the missing piece. That changes today 🎉 Oobit on @arbitrum is enabling real-world on-chain spending at over 150 million Visa merchants worldwide. ↓ Pay directly from your wallet on

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🏦 Private Markets Go Programmable: SpaceX, OpenAI Now Tradeable on Arbitrum

**Variational brings Pre-IPO trading onchain** Private market opportunities from companies like SpaceX, Anthropic, and OpenAI are now accessible through [Variational](https://variational.io) on Arbitrum. The platform enables trading of traditionally private company listings in a programmable financial system, marking a shift from closed-door private markets to more accessible onchain infrastructure. **Key features:** - Pre-IPO listings from major tech companies - Built on Arbitrum for efficient settlement - Part of broader trend toward tokenized markets This follows recent moves by platforms like Ostium and Theo Network to bring commodities, equities, and treasuries onchain using similar infrastructure.

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USDAI Closes Record $98.1M GPU-Backed Loan on Arbitrum

**USDAI has closed a record $98.1 million loan**, marking a significant milestone in compute-backed credit. **Key developments:** - GPUs are being used as programmable collateral for onchain loans - Total active loans now exceed $100 million - Arbitrum's infrastructure enables this new market with predictable costs and deep liquidity **The innovation:** USDAI transforms physical computing hardware into digital collateral, creating fast, asset-backed credit for businesses in the compute market. This represents a new category of DeFi lending where real-world assets (GPUs) back onchain credit facilities.

PayAI Network Launches x402 Facilitator for Autonomous AI Agent Transactions on Arbitrum

PayAI Network Launches x402 Facilitator for Autonomous AI Agent Transactions on Arbitrum

PayAI Network has deployed its x402 facilitator on Arbitrum, enabling AI agents to operate autonomously in the programmable economy. **Key Features:** - AI agents can coordinate and transact independently - Monetization of services without human intervention - Access to Arbitrum's deep liquidity pools - Predictable transaction costs for agent operations The x402 facilitator represents infrastructure for the emerging agentic economy, where AI-powered services can exchange value programmatically. By building on Arbitrum, the system benefits from Layer 2 scaling advantages while maintaining Ethereum security. This development follows earlier announcements about programmable economy infrastructure, positioning x402 as a foundational layer for AI-driven financial applications and services on the Arbitrum platform.

Arbitrum Opens Applications for London Founder House Program

**Arbitrum Foundation launches Founder House London**, a three-day builder program starting July 10th for founders launching on the Arbitrum Platform. **What's on offer:** - $300K in prizes and grants - Infrastructure, product, and go-to-market support - Mentorship from Robinhood Chain, AWS, Offchain Labs, and Arbitrum Foundation **Who should apply:** Teams building programmable payments, real-world assets (RWAs), DeFi, AI, privacy solutions, or consumer applications. Applications are [now open](http://luma.com/openhouse-london?utm_source=twitter&utm_medium=social&utm_campaign=oh-london-founder-house).

Mastercard Partners with Arbitrum for Global Stablecoin Settlement Network

Mastercard has selected Arbitrum as its blockchain infrastructure for global stablecoin settlement operations. The partnership enables **programmable payments** and **onchain settlement** capabilities, allowing for always-on payment processing. This integration represents a significant step in bringing traditional financial infrastructure into the blockchain ecosystem. Key features include: - 24/7 payment availability - Programmable economy integration - Global stablecoin settlement infrastructure The collaboration positions Arbitrum as a critical layer-2 solution for enterprise-grade financial applications. Read the full technical details: [Mastercard Stablecoin Settlement](https://blog.arbitrum.io/mastercard-stablecoin-settlement/)