The growing activity across different blockchain networks makes multi-chain infrastructure increasingly relevant. Visa's stablecoin analytics currently tracks activity across 10 major blockchains, highlighting how stablecoins can operate across multiple networks.
For payment gateway development, multi-chain support can allow merchants to accept payments from users across different ecosystems. Developers need to account for network fees, transaction confirmation, wallet compatibility, and asset support. This makes scalable blockchain architecture an important consideration when developing a modern crypto payment gateway (https://www.osiztechnologies.com/crypto-payment-gateway-development).