Mercuryo
Fiat<>crypto infrastructure for Web3 businesses
About
Mercuryo provides turnkey on/off-ramp via widget, SDK, or API plus crypto card and IBAN account products, used by 200+ Web3 businesses including wallets, DEXs, NFT marketplaces, DeFi apps, and neobanks across many markets.
Stablecoins
Key products
Chains
- Founded
- 2018
- HQ
- London, UK / Tallinn, Estonia
- Stage
- Private
- Funding
- Series funded (backers include Greenfield, PT Capital)
Related companies
Alchemy Pay
Global fiat<>crypto payment and ramp gateway
Alchemy Pay is a hybrid fiat-crypto payment gateway connecting merchants and on/off-ramps across 173 countries and 300+ payment channels. In 2025 it launched Alchemy Chain, a blockchain purpose-built for stablecoin payments and cross-border remittances, aggregating global and local stablecoins.
Coinbase
Largest US crypto exchange and USDC co-issuer
Coinbase is the largest US-listed crypto exchange and a primary stablecoin trading venue. It co-founded USDC with Circle via the Centre consortium and earns a share of USDC reserve revenue, while operating Base (its L2), Coinbase Wallet, custody and on/off-ramp services. In 2026 it is positioning around stablecoins, Base, and an 'everything exchange' strategy.
Revolut
Global neobank with built-in crypto and stablecoin rails
Revolut is a global fintech super-app serving 65M+ users with banking, cards, FX, trading and crypto. It offers zero-fee 1:1 stablecoin swaps for USDC and USDT, enables USDC/USDT/POL remittances via Polygon across the UK and EEA, and plans a 2027 US bank launch with stablecoin services built in from day one.
Stripe
Global payments platform with native stablecoin checkout
Stripe is the dominant internet payments platform. After acquiring stablecoin infrastructure startup Bridge for ~$1.1B in early 2025 and stablecoin wallet firm Privy, Stripe rolled out native stablecoin acceptance: every Stripe merchant can accept USDC (and USDB) through standard checkout, and Stripe powers USDC payments for millions of Shopify merchants. It charges a flat ~1.5% on stablecoin transactions.
ARQ
Stablecoin-first digital dollar super app for Latin America
ARQ (formerly DolarApp) is a stablecoin-first financial platform for Latin America that lets users convert pesos to digital dollars (USDC) and back in seconds, with US-style account details and an international ARQ Mastercard usable in 180+ countries. It serves around 2 million users across Mexico, Argentina and Colombia and raised $70M from Sequoia and Founders Fund in 2026.
Banxa
Compliance-first fiat-to-crypto on/off-ramp
Banxa is a publicly listed (now acquired) fiat<>crypto on/off-ramp focused on regulatory compliance and local payment methods, integrated into exchanges and wallets globally. It was acquired by OSL Group for ~CAD $85.2M in January 2026.