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Loopring

Loopring

Loopring is a zkRollup Layer 2 protocol for scalable decentralized trading and payments on Ethereum.

originHong Kong, China
users100k-200k
launched2017
Submit or update a tool
Audience
💸DeFi Developers
🛠️Infrastructure Developers
🔗Tokenization Platforms
xgithub

Overview

Loopring is a Layer 2 scaling protocol built on Ethereum using zkRollup technology to enable fast, low-cost, and secure decentralized trading and payments. It addresses Ethereum's scalability and high gas fee challenges by bundling multiple transactions off-chain and submitting succinct zero-knowledge proofs on-chain. This approach preserves Ethereum's security guarantees while reducing transaction costs by up to 100x and enabling near-instant finality.

The protocol supports a decentralized exchange (DEX) platform, a non-custodial wallet, and an NFT ecosystem, all powered by Loopring's zkRollup infrastructure. Developers can integrate Loopring's APIs and SDKs to build custom trading applications, mint and transfer NFTs with zero gas fees, and leverage Loopring's Layer 2 for payments and DeFi interactions. The Loopring Wallet offers features like social recovery, cloud backup, and two-factor authentication to enhance user security and usability.

Loopring differentiates itself by combining zkRollup's strong cryptographic proofs with a fully decentralized exchange and wallet ecosystem. Unlike some Layer 2 solutions that rely on optimistic rollups or sidechains, Loopring's zkRollup ensures data availability and security directly on Ethereum. Its developer tools and comprehensive documentation facilitate easy integration for DeFi projects and NFT platforms seeking scalable Ethereum Layer 2 solutions. Users benefit from instant transactions and significantly reduced fees without compromising decentralization or security.

To get started, developers can access Loopring's open APIs and SDKs documented at docs.loopring.io, deploy smart contracts, and connect wallets to the Loopring DEX and NFT marketplace. The Layer 2 Explorer provides transparency into transactions and protocol activity. Loopring also supports community engagement through grants and a bug bounty program to encourage ecosystem growth and security.

The Problem

Ethereum's mainnet suffers from high gas fees and limited throughput, making decentralized trading and payments costly and slow. This restricts user adoption and developer innovation in DeFi and NFT applications.

High transaction fees on Ethereum mainnet

The Solution

Key Features

Zero Gas Fee NFT Minting and Transfers

Enables minting and transferring NFTs on Layer 2 without paying Ethereum gas fees.

Instant Transactions with 100x Lower Fees

Processes trades and payments quickly with significantly reduced costs compared to Ethereum mainnet.

Layer 2 Explorer and Subgraph Support

Provides transparent transaction tracking and data indexing for developers and users.

Key Strengths

zkRollup Security and Scalability
Integrated Decentralized Exchange and Wallet
Comprehensive Developer Tools

How Developers Use Loopring

💱

Building a Scalable Decentralized Exchange

DeFi developers use Loopring to deploy high-performance DEXs that offer fast trades and low fees secured by zkRollups.

🖼️

NFT Platforms with Gas-Free Minting

NFT creators and marketplaces leverage Loopring's Layer 2 to mint and transfer NFTs without incurring Ethereum gas costs.

💸

Layer 2 Payment Solutions

Developers build payment apps that enable instant, low-cost transfers and settlements using Loopring's zkRollup infrastructure.

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Free RPC across 77+ chains. Spin up an endpoint in under 30 seconds.

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Pricing

Free
Price (Monthly)Free
Price (Annual)Free
MessagingN/A
SupportCommunity support via GitHub and Discord
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Resources

Loopring provides extensive developer resources including APIs, SDKs, smart contract documentation, a Layer 2 explorer, and community programs to support building and securing Layer 2 applications.