# Ethereum L2 Cheatsheet

**Published by:** [ethmaxitard.eth](https://paragraph.com/@ethmaxitar/)
**Published on:** 2021-12-11
**URL:** https://paragraph.com/@ethmaxitar/ethereum-l2-cheatsheet

## Content

ContentsDirect fiat-to-L2 onboardingL2 bridgesL2 compatible walletsL2 dAppsApp-specific rollupsMore infoDirect fiat-to-L2 onboardingcoinbase.com has integrated with Arbitrum and Optimism kraken.com has integrated with Arbitrum crypto.com has integrated with Arbitrum binance.com has integrated with Arbitrum kucoin.com has integrated with Arbitrum huobi.ma has integrated with Arbitrum and Optimism bybit.com has integrated with Arbitrum and zkSync argent.xyz has integrated with zkSync layerswap.io [Coinbase, Binance, Huobi, Okex, Kucoin] → [Arbitrum, Optimism, zkSync, Boba] go.ramp.network/zkSync direct fiat to zkSync global.transak.com direct fiat to Arbitrum and Optimism (not yet available in the US) zksync.banxa.com, arbitrum.banxa.com, optimism.banxa.com direct fiat to zkSync, Arbitrum, Optimism (not yet available in the US)L2 bridgeshop.exchange [mainnet, Arbitrum, Optimism] → [mainnet, Arbitrum, Optimism] xpollinate.io [mainnet, Arbitrum, Optimism] → [mainnet, Arbitrum, Optimism] cbridge.celer.network/#/transfer [mainnet, Arbitrum, Optimism, Boba] → [mainnet, Arbitrum, Optimism, Boba] "gas on arrival" feature - you will always receive some gas tokens when your asset arrives on the other chain. synapseprotocol.com [mainnet, Arbitrum, Optimism, Boba] → [mainnet, Arbitrum, Optimism, Boba] anyswap.exchange [mainnet, Arbitrum, Boba] → [mainnet, Arbitrum, Boba] mosaic.composable.finance [mainnet, Arbitrum] → [mainnet, Arbitrum] app.orbiter.finance [mainnet, Arbitrum, zkSync] → [mainnet, Arbitrum, zkSync] Only USDC is supported. across.to [Arbitrum, Optimism] → mainnet portr.xyz mainnet → Optimism li.finance [mainnet, Arbitrum, Optimism] → [mainnet, Arbitrum, Optimism] app.fund.movr.network [mainnet, Arbitrum, Optimism] → [mainnet, Arbitrum, Optimism] These two projects cross L2s and swap for other tokens, so you can exchange ETH on mainnet for DAI on Optimism; it’ll find the cheapest route for you.L2 compatible walletsMetamask - Arbitrum, Optimism Coinbase Wallet - Arbitrum, Optimism Argent - zkSync Argent X - StarkNet Rainbow - Arbitrum, Optimism Frame - Arbitrum, Optimism zkSync - zkSync Numio - zkSync imToken - zkSync, Arbitrum Trust Wallet - Arbitrum Coin98 - ArbitrumL2 dAppsArbitrum - portal.arbitrum.one Optimism - optimism.io/apps/all zkSync - zksync.community/t/links-to-applications-making-use-of-zksync/15 You can also donate to projects on Gitcoin via zkSync. You can also use Argent to buy, earn, stake, and trade on zkSync. StarkNet - starknet-ecosystem.com Boba - boba.network/ecosystem (scroll down) Another way to see available dApps is to go to DeFi Llama and filter by the L2 you’re interested in. This may not include the newest dApps, but you can see the TVL in the most popular ones. For DAOs, the most popular DAO tool Gnosis Safe supports Arbitrum.App-specific rollupsThese are specialized layer 2 rollups that do not support general purpose smart contracts. dYdX - dydx.exchange Loopring - loopring.org (L2 wallet and direct fiat onramp available now) ZKSwap - zks.org ImmutableX - immutable.com Deversifi - deversifi.com Sorare - sorare.com Aztec - aztec.networkMore infoA rollup-centric ethereum roadmap, by Vitalik Buterin ethereum-magicians.org/t/a-rollup-centric-ethereum-roadmap/4698 Writings of @epolynya, who pushed the concept of modular blockchains into the mainstream polynya.medium.com Comparisons between L2s (TVL, types of risks) l2beat.com L2 fees l2fees.info The ultimate guide to L2s on Ethereum, by @DCbuild3r mirror.xyz/dcbuilder.eth/QX_ELJBQBm1Iq45ktPsz8pWLZN1C52DmEtH09boZuo0 The Grand Design, by @sassal0x thedailygwei.substack.com/p/the-grand-design-the-daily-gwei-335 Fractal Scaling: From L2 to L3, by StarkWare medium.com/starkware/fractal-scaling-from-l2-to-l3-7fe238ecfb4fI only included live L2s - will update as more L2s go live. Please reach out to @ethmaxitard if you have any suggestions. (I threw this together at the @CodelessCon codeless web3 hackathon!)

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