About
Block, the parent of Square and Cash App, is integrating stablecoin payments into its merchant ecosystem, enabling small businesses to accept USDC and settle to fiat, and exploring Lightning/Bitcoin and stablecoin rails across Cash App.
Stablecoins
Key products
Chains
Related companies
Cash App
Block's payment app with USDC stablecoin support
Cash App is Block, Inc.'s mobile payments app with nearly 60 million monthly active users. In 2026 it rolled out USDC stablecoin send/receive across Solana, Ethereum, Polygon and Arbitrum, with received stablecoins auto-converting to dollars in a unified balance. The integration enables faster, cheaper cross-border transfers and remittances alongside its Cash Card spending product.
Cobo
Custody and wallet-as-a-service platform
Cobo provides full-suite stablecoin payment operations combining MPC custody, payment APIs and Wallet-as-a-Service across 80+ chains. It launched a stablecoin payment solution for cross-border business and integrated Plasma early, positioning as a qualified custodian and orchestration layer for stablecoin treasury and payments.
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.
Crossmint
All-in-one stablecoin & wallet infrastructure (50+ chains)
Crossmint is an all-in-one stablecoin and wallet infrastructure platform supporting 50+ blockchains. It provides embedded wallets, stablecoin issuance/minting, and enterprise payout orchestration with broad multi-chain coverage, positioning itself as a Bridge alternative for businesses building stablecoin products.
Daimo
The ramp for ambitious stablecoin apps
Daimo provides stablecoin payment infrastructure centered on Daimo Pay, which lets apps accept funds from any chain and any token while settling as USDC on a single target chain. It routes deposits from Solana, Tron, major EVMs and exchanges across 12+ networks, and is used by Optimism, Worldcoin, MetaMask, Polymarket, Opera and EtherFi.
Decaf
Stablecoin wallet that feels like a global bank
Decaf is a non-custodial consumer wallet on Solana and Stellar designed to onboard the unbanked in emerging markets. It lets users hold and spend stablecoins like USDC and USDT with gas-free transfers, supports 180+ local currencies, and offers cash-out at 350,000+ MoneyGram locations. Decaf also provides a payments platform for NGOs and employers to disburse stablecoins globally, including via WhatsApp.