STON.fi, the leading AMM protocol on The Open Network (TON), has announced the launch of cross-chain swaps in the STON.fi app, enabling users to move stablecoins between TON, TRON, Ethereum, Base, BNB Chain, Polygon, Avalanche, Arbitrum, and Robinhood Chain through a unified, self-custodial interface. According to reports from STON.fi, this launch connects TON to major liquidity and application ecosystems across crypto, allowing users to move capital between stablecoin markets, TON-native assets, DeFi protocols, and Telegram-native applications without relying on centralized exchanges, bridges, or wrapped assets. The launch was announced from Road Town, British Virgin Islands on July 21st, 2026, positioning STON.fi as a cross-chain decentralized application for token swaps across TON, TRON, and major EVM-compatible blockchains.
As reported by STON.fi, stablecoins have become one of crypto's most important markets, with more than ₹25,000 crore ($300 billion) in total market capitalization, led by TRON and Ethereum as the two largest stablecoin networks. The cross-chain swaps connect TON with major stablecoin ecosystems in both directions, with TON users gaining access to liquidity across networks while TRON and EVM users get a more direct path into TON-native assets, wallets, DeFi protocols, and Telegram-native applications through one self-custodial experience. Through cross-chain swaps, STON.fi connects TON with major stablecoin ecosystems in both directions, providing users with a practical access layer between major liquidity networks, application ecosystems, and the wider onchain economy.
According to STON.fi, the cross-chain swaps are powered by Omniston, the execution layer developed by STON.fi, which coordinates the full swap process between source and destination chains. The system is designed to help cross-chain stablecoin flows complete predictably, from pricing to settlement, handling complexity so users can focus on outcomes rather than infrastructure management. Most swaps complete in 15-40 seconds, allowing users to swap assets between any supported chains without the longer wait times often associated with cross-chain transactions. Omniston is more than a routing or liquidity aggregation system, functioning as a comprehensive execution layer that supports reliable and predictable swaps across multiple networks.
As reported by STON.fi, when a swap is confirmed, Omniston connects the order with independent liquidity providers known as resolvers that supply the asset on the destination chain. The transaction is executed through linked Hashed Timelock Contracts (HTLCs) — smart-contract escrows on both chains that use the same cryptographic condition. Before confirming, users see the asset and amount they are expected to receive, and if the swap cannot be completed, funds are returned instead of being left stuck, partially executed, or unclear. This security-first approach ensures users maintain control over their assets throughout the entire swap process.
According to Slavik Baranov, CEO of STON.fi Dev, the company's goal is to make moving between ecosystems feel as simple as swapping within one network, with Omniston handling complexity so users can focus on outcomes rather than infrastructure. With cross-chain swaps now live, STON.fi is moving beyond a chain-specific DeFi protocol toward a product built around user intent, providing easier ways to move value without giving up self-custody or managing infrastructure behind each transaction. The company is backed by leading investors including CoinFund, Delphi Ventures, The Open Platform, Karatage, TON Ventures, and others, positioning it to build the infrastructure that connects users, liquidity, and applications across the onchain economy. Users can access the cross-chain swap interface at app.ston.fi/cross-chain.
