Event Overview: Loopring DEX Goes Offline
On June 29, Ethereum Layer 2 protocol Loopring announced via its official X account that its decentralized exchange (DEX) has ceased all trading services and the relay infrastructure has been taken offline. Users can no longer deposit, withdraw, trade, or manage liquidity positions on the platform. Loopring, one of the earliest projects built on ZK-Rollup technology, aimed to offer an order-book DEX on Layer 2. However, after years of struggle, the team concluded that the protocol was no longer viable.
Reasons for Shutdown: Low Adoption, No VM, Outpaced by zkEVM
Loopring's official statement cited three primary factors. First, the protocol suffered from persistent low user adoption — trading volume and liquidity failed to reach sustainable levels. Second, the original architecture lacked a general-purpose virtual machine (VM), meaning developers could not build composable smart contracts on top of Loopring, severely limiting its DeFi ecosystem. Third, the technology has been surpassed by modern zkEVM solutions such as zkSync Era, Scroll, and Polygon zkEVM, which offer full EVM compatibility and higher performance. Given these disadvantages, the team chose to end service.
User Asset Handling: Centralized Batch Refund to L1
To return funds locked on Layer 2, Loopring is implementing a centralized refund process. In the coming days, the team will publish a final balance snapshot for all users, including both token holdings and liquidity provider (LP) positions. A two-week review period will follow, during which users can check the data and raise disputes. After the review window closes, the Loopring team will execute batch transactions to transfer assets directly to users' L1 Ethereum addresses and cover all gas fees. To streamline the process, accounts with a total balance of less than $10 (including both spot and LP positions) will be excluded from the refund. The team emphasized that no action is required from users — assets will be returned automatically.
Industry Perspective: The Fate of Early L2 Protocols
Loopring launched in 2017 and was among the first to explore ZK-Rollup for payments and DEX operations. However, its closed architecture without EVM compatibility prevented it from integrating with the broader DeFi ecosystem. Meanwhile, zkEVM-based solutions attracted massive capital and developer activity, leaving Loopring behind. This shutdown serves as a cautionary tale for early Layer 2 projects: technology roadmap and ecosystem development are critical for long-term survival. Other legacy L2s, such as StarkNet, are also under pressure to adapt or face similar outcomes.