# layer 2

Next generation layer 2 for Ethereum dApps. Use your favorite tools and scale your dApp at the lowest cost. Arbitrum is a suite of Ethereum scaling solutions that enables high-throughput, low cost smart contracts while remaining trustlessly secure

Buy, earn, stake and trade on Ethereum Layer 2 with low fees & bulletproof security.

Chainlist is a list of EVM networks. Users can use the information to connect their wallets and Web3 middleware providers to the appropriate Chain ID and Network ID to connect to the correct chain.

dYdX is a leading decentralized exchange that currently supports perpetual, margin trading, and spot trading, as well as lending, and borrowing. dYdX runs on smart contracts on the Ethereum blockchain, and allows users to trade with no intermediaries.

L2BEAT is a research website for Ethereum layer two scalability solutions.

Ethereum Layer-1 is expensive. How much does it cost to use Layer 2?

Loopring is an Ethereum Layer-2 scaling protocol. It allows for building high-throughput, low-cost, non-custodial AMMs, orderbook exchanges, and payment applications on Ethereum by leveraging Zero-Knowledge Proofs.

Based on the spirit of Optimistic Rollup, Metis is building an easy-to-use, highly scalable, low-cost, and fully functional Layer 2 framework (Metis Rollup) to fully support the application and business migration from Web 2.0 to Web 3.0. Its scalable protocol supports a wide range of use cases, including yield farming, DEX trading, and powering the gig economy via dApps that offer cheap and fast micropayments.

Through simple, secure, and scalable technology, NEAR empowers millions to invent and explore new experiences. Business, creativity, and community are being reimagined for a more sustainable and inclusive future.

Optimism is a low-cost and lightning-fast Ethereum L2 blockchain.

Polygon is a protocol and a framework for building and connecting Ethereum-compatible blockchain networks