Wirex

Wirex is a global crypto-fiat payment platform founded in 2014 that lets individuals and businesses hold, exchange, and spend cryptocurrency alongside traditional currencies using a Mastercard-branded debit card. It serves over seven million customers across 130-plus countries and has processed more than $20 billion in transaction volume. Beyond its consumer app, Wirex has built Wirex Pay Chain, a zero-knowledge app chain on Polygon designed to let any non-custodial wallet issue its own payment card — and has integrated Solana as the smart wallet infrastructure powering its core on- and off-ramp flows.

The Consumer Platform

The Wirex App consolidates crypto and fiat account management in one interface. Users can hold over 150 currencies — both crypto and fiat — and convert between them in real time when making a card purchase. The card itself is a Mastercard accepted at over 80 million merchants globally.

The platform's primary rewards mechanism is Cryptoback™, which pays rebates in WXT (the Wirex Token) on card spending. Reward rates depend on the user's subscription tier: the free Standard plan earns up to 1% Cryptoback; Premium (€9.99 per month) earns up to 3%; and Elite (€29.99 per month) earns up to 8%. Users who hold WXT balances can also activate a Savings Bonus, earning up to 16% annually on their WXT holdings. X-Accounts, a separate yield product, offers up to 20% APR on selected crypto and fiat balances, with interest compounded daily and paid weekly.

The WXT token, originally issued on both Stellar and Ethereum for speed and flexibility, sits at the center of Wirex's incentive structure. It functions as the unit of reward for the Cryptoback programme, the savings yield booster, and a governance and utility asset within the Wirex Pay Chain ecosystem.

Wirex Pay Chain

Wirex Pay Chain is a modular blockchain incubated by Wirex and built on Polygon's ZK infrastructure. It launched on mainnet in 2024 with the goal of opening non-custodial card issuance to any wallet or DeFi application — not just Wirex's own product.

The chain uses a combination of ZK Rollups and Validium to bundle and verify transactions off the main Ethereum chain. ZK Rollups post cryptographic proofs to the base layer, while Validium stores transaction data off-chain, enabling higher throughput without the associated cost. Account Abstraction is central to the design: it allows wallets to perform gasless transactions across EVM-compatible chains, removing one of the main friction points in user-facing crypto payments.

WPAY, the chain's native ERC-20 token, serves as the governance and operational unit of the network. Node operators receive 20% of the total WPAY supply and 40% of transaction fee revenue, creating an incentive structure for infrastructure participation. WPAY holders can participate in DAO governance to shape protocol direction, and the system supports dual staking combining WPAY with ETH or BTC for compounded yield. The platform's Visa partnership aligns Wirex Pay's payment infrastructure with the Visa network's merchant coverage.

Solana Integration

Wirex's Solana footprint entered through its wallet infrastructure. Working with Crossmint, Wirex migrated its wallet stack from externally owned accounts (EOAs) to Crossmint smart wallets running on Solana. This upgrade covers the regulated on- and off-ramp flows used by Wirex's full customer base of seven million-plus accounts.

The integration consolidates what was previously a fragmented vendor stack. Crossmint acts as the regulated conversion layer for fiat-to-stablecoin flows, which eliminated the need for Wirex to independently obtain and manage a separate Crypto Asset Service Provider (CASP) licence. The practical result is faster fiat-to-stablecoin conversion for end users, with the compliance and custody complexity handled at the infrastructure level.

The Crossmint case study on Solana.com documents this as an example of enterprise-scale deployment, noting that Wirex processed over $20 billion in volume across its user base — and that bringing that infrastructure onto Solana took days rather than months, enabled by Crossmint's stablecoin rails.

Expanding Into Agentic Payments

Wirex has been building out its infrastructure to support autonomous, programmable payments alongside its consumer products. In January 2026, Wirex announced a collaboration with TRON DAO to deliver a payment layer designed for AI agents and autonomous applications. The system runs entirely on-chain and connects TRON's network to Visa's 80-million-plus merchant base across 130 countries, supporting USD and EUR stablecoins at a 1:1 conversion. Users retain self-custody throughout.

In April 2026, Wirex partnered with Ultra Stellar to launch a native payment layer built directly on Soroban, Stellar's smart contract platform. The infrastructure enables virtual stablecoin bank accounts, fiat-to-stablecoin conversion without spreads, global card issuance, cross-border payouts via ACH, SEPA, PIX, FPS, SWIFT, and Push-to-Card, and yield of up to 6% APY on balances. The collaboration targets the Stellar ecosystem's developer and AI agent audience, allowing them to plug into real-world financial services without leaving the chain.

Recent Platform Changes

In June 2026, Wirex discontinued the crypto features of the Classic Wirex App for users in the European Economic Area and Australia. Crypto funding, exchange, spending, and Cryptoback functionality ceased for those regions, leaving affected users with fiat card access and a migration path toward Wirex One. Wirex One's fee and reward structure has not been fully disclosed. The shutdown reflects the ongoing compliance complexity of operating regulated crypto products across multiple jurisdictions simultaneously.

Summary

Wirex operates across consumer payment cards, a proprietary ZK app chain, and multi-chain payment infrastructure for wallets and AI agents. Its Solana integration via Crossmint underpins the core wallet and on-ramp stack serving its global customer base. The WXT and WPAY tokens provide the reward and governance layers for the consumer product and the Pay Chain respectively. The platform's recent expansion into TRON and Stellar reflects a strategy of deploying native infrastructure on high-throughput chains rather than relying on bridge-based interoperability.