Optimism is a layer 2 chain, meaning it functions on top of Ethereum mainnet (layer 1). Transactions take place on Optimism, but the data about transactions get posted to mainnet where they are validated.

Popular Protocols

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Curve is a decentralized exchange liquidity pool on Ethereum designed for extremely efficient stablecoin trading
Aave is an Open Source and Non-Custodial protocol to earn interest on deposits and borrow assets
A fully decentralized protocol for automated liquidity provision on Ethereum.
Cross-Chain Router Protocol (CRP), envisioned to be the ultimate router for Web3.
Synthetix is a derivatives liquidity protocol providing the backbone for derivatives trading in DeFi.
Synapse is a cross-chain layer ∞ protocol powering interoperability between chains.
G-UNI, an automated liquidity provision ERC-20 for Uniswap v3, powered by Gelato Network
dForce network is an ecosystem of protocols aiming to be a full stack solution for DeFi.
Tornado Cash
Non-custodial anonymous transactions on Ethereum.
Celer cBridge is a multi-chain network that enables instant, low-cost and ANY-to-ANY value transfers within and across different blockchains, such as Ethereum and Polkadot, and different layer-2 scaling solutions on top, such as Optimistic Rollup, ZK Rollup and sidechains
Saddle Finance
Saddle is an automated market maker for pegged value crypto assets.
QiDao is a way for you to keep your crypto and still be able to spend its value. That means you're able to borrow stablecoins without having to sell your crypto assets, and do so at 0% interest!
Beethoven X
We leverage best in breed DeFi protocols to offer novel decentralized investment strategies. Built on Balancer V2, Beethoven X is the first next-generation AMM protocol on Fantom.
Protocol users can deposit LP tokens in Tarot Vaults and receive Vault Tokens. The deposited LP tokens are then farmed and earned rewards are automatically converted to additional LP tokens and reinvested.
Hop Protocol
A protocol for sending tokens across rollups and their shared layer-1 network in a quick and trustless manner
Hundred Finance
Hundred Finance is the successor to Percent Finance, a community owned fork of Compound Finance using Chainlink oracles.
Ooki is a flexible decentralized finance protocol for margin trading, borrowing, lending and staking on multiple blockchains.
The first complete decentralized options protocol built on Ethereum
Pickle Finance is a yield aggregator, auto-compounding users LP positions saving them time and money. The governance token PICKLE can be staked as DILL, to earn a share of the protocols revenues and boost users farm APY
O3 Swap
Multi-chain bridge
Fast, non-custodial L1-L2 and cross-L2 communication.
Perpetual Protocol
Decentralized Perpetual Contracts for Every Asset.
BoringDAO is a decentralized bridge that connects all blockchain assets, we offer users a safe way to maximize their utilization rate of crypto assets.
WePiggy is an open source, non-custodial crypto asset lending market protocol.
Clipper is the decentralized exchange (DEX) built to give the self-made crypto trader the best possible prices on small trades (< $10k)
Decentralized Hedge Funds on Ethereum
Elk Finance is a decentralized network for cross-chain liquidity. The Elk ecosystem will make it seamless for anyone to exchange cryptocurrencies. Our motto is Any chain, anytime, anywhere.
Swap, earn, and build on the first optimistic rollup optimized decentralized crypto trading protocol.
Cryptex Finance
Cryptex is focused on building innovative, open-source financial solutions for the global Crypto community. Using Ethereum’s smart contract system, Cryptex is able to create decentralized financial solutions such as Total Crypto Market Cap Token, TCAP and many others.
Passive, Efficient ERC20 Staking Strategies.
The Granary
The Granary is a decentralized, user-driven borrowing and lending liquidity market inspired by AAVE.
Pika Protocol
A Perpetual Swap Exchange
Democratizing the open order book and bringing decentralized exchange to the masses. Built on Ethereum L2.
Aelin is a fundraising protocol built on Ethereum and launched on Optimism.
Thales is an Ethereum protocol that allows the creation of peer-to-peer parimutuel markets that anyone can join. This building block is the foundation of novel on-chain initiatives, from a platform for AMM-based positional markets to immersive gamified experiences, and much more.
Mean Finance
Mean Finance is an open protocol that enables users (or protocols) to Dollar Cost Average (DCA) any ERC20 into any ERC20 with their preferred period frequency, without sacrificing decentralization or giving up personal information to any centralized parties.
Fair launch token on Optimism. Not related to any other token. Not related to ZipSwap.
Next generation order book limit trading on Uniswap.
BitANT is a MEME platform token of the BitBTC Protocol project.
Optimism Dog token
Stargate Finance
Stargate Finance is a decentralized reserve currency protocol based on the SGT token on Binance Smart Chain. Economically, it imitates the model created by OlympusDao.
Earn interest, borrow assets, and build applications
Polynomial Protocol
Polynomial automates financial derivative strategies to create products that deliver passive yield on various assets
The one-stop SocialFi app to build, manage, replicate and monetize portfolios
Arrakis Finance
Arrakis is a protocol that specializes in concentrated & active liquidity management. By creating a curated marketplace of novel tokenized LP strategies, Arrakis facilitates deep liquidity and optimizes LP earnings across its vaults.
LlamaPay is a multi-chain protocol that allows you to automate transactions and stream them by the second. The recipients can withdraw these funds at any time. This eliminates the need for manual transactions
Pegasus Finance
A speculation-focused interest rate perp with novel tokenomics on Optimism.
Poly Network
Poly Network is a global cross-chain protocol for implementing blockchain interoperability and building Web3.0 infrastructure. Poly Network has also integrated over 20 blockchains.
A revolutionary new AMM based on Solidly launched on Optimism.
Research Reports

Into the Metaverse – A Comprehensive Report


Avalanche: Scaling Towards Digitizing the World’s Assets in a Decentralized Manner

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