# Apps on OΞ
# Gateways and Bridges
The Optimism Gateway allows you to transfer assets between L1 and Optimistic Ethereum.
You can use Celer's bridge to transfer assets between Optimism and other Ethereum networks (L1, other rollups, and side chains).
Hop allows you to quickly bridge assets between L1 and various L2 solutions.
1inch's aggregation protocol, which allows you to choose the best decentralized exchange for your transaction, is available on Optimistic Ethereum.
Kwenta allows you to trade real world assets and derivatives on-chain.
Lyra is an automated market maker (AMM) for option trading (opens new window).
Rubicon is an open order book protocol for Ethereum. Trade with limit and market orders on a next generation decentralized exchange and earn in democratic liquidity pools.
Synthetix is a system designed to let users hold and trade synthetic assets whose value can be tied to real-world assets (opens new window). This makes it possible to invest in and trade assets without actually having to hold the underlying assets.
- Optimistic Ethereum on L2 is now integrated into Staking! (opens new window)
- Synth Exchanges are Live on L2! (opens new window)
- Synthetix Staking dApp (live on L2) (opens new window)
The Uniswap protocol is a peer-to-peer system designed for exchanging ERC20 Tokens (opens new window) on EVM-compatible blockchains. The protocol is implemented as a set of persistent, non-upgradable smart contracts; designed to prioritize censorship resistance, security, self-custody, and to function without any trusted intermediaries who may selectively restrict access.
- Learn how to use Uniswap on faster & cheaper Layer 2 networks (opens new window)
- Uniswap (live on L2) (opens new window)
# User Information
Debank is a multi-chain portfolio tracker.
Dune Analytics allows you to explore activity on the Optimistic Ethereum network and also create your own Optimistic Ethereum dashboards (opens new window).
Chainlink's decentralized oracle network provides reliable, tamper-proof inputs and outputs for complex smart contracts on any blockchain.
We have a copy of the OG Gnosis Multisig running on Optimistic Ethereum, in case you need to create a multisig.