Trustless Solana-EVM Cross-Chain Swaps: 1inch's Innovative Solution

By: Eliza Bennet

1inch, a well-known decentralized finance (DeFi) aggregator, has introduced an inventive feature that enables trustless cross-chain swaps between the Solana blockchain and various Ethereum Virtual Machine (EVM) networks. This technologically advanced approach completely bypasses the need for traditional bridges and third-party messaging services that have been areas of vulnerability in the past. An infamous example of such vulnerabilities was the Wormhole bridge hack in February 2022, which resulted in over $320 million in losses due to bridge signature flaws.

1inch's solution lies in utilizing a decentralized process that locks user funds in chain-specific escrows, which eradicates the risks associated with shared pools. This initiative is part of their Fusion+ architecture employing a Dutch Auction model, cleverly adapted to suit Solana's ecosystem. The process allows atomic settlement without bridging by using cryptographic links on both the source and destination blockchains. When a swap is initiated, a resolver locks an equivalent amount of liquidity on the destination chain, synchronizing the eschrows' unlocking through a cryptographic secret.

This development offers substantial advantages by maintaining native ecosystem liquidity, reducing fragmentation, and enhancing market efficiency. It significantly eases cross-chain trading, allowing for direct Solana-native token trades against Ethereum and Polygon counterparts. This innovation is expected to not only attract new users and capital to Solana but also enrich the broader DeFi innovation and liquidity flows across the blockchain landscape.

1inch has announced plans to extend this technology to incorporate more non-EVM networks, heralding a multichain future filled with secure and frictionless asset mobility. As the landscape of DeFi continues to evolve, architectures like 1inch's trustless swaps set the stage for a more interconnected and robust blockchain ecosystem. Learn more about this trend [here](https://blockbriefly.com/news/1inch-pioneers-trustless-solana-evm-cross-chain-swaps-without-bridges).