Skip go main kontent

Layer 2

Ethereum na for evrybody

Scaling Ethereum make everybody fit yus.

Wetin be layer 2?

Layer 2 (L2) na set of solutions wey dem use take scale Ethereum. Layer 2 na separate blockchain wey dem use extend Ethereum and e still get the same security guarantees wey Ethereum get.

Now make we enetr into am small. We go first need to explain wetin be layer 1 (L1).

Wetin be layer 1?

Layer 1 na the base blockchain. Ethereum and Bitcoin na both layer 1 blockchains becasue them be the foundation wey different layer 2 networks dey build on top. examples of layer 2 project dey dey build on top them include rollups on ethereum and the lightining network on bitcoin. all the use transaction wey dey on top this layer 2 project fot go back to the layer 1 blockchain.

Ethereum still dey function as the data availability layer for Layer 2s. Layer 2 projects go post their transaction data for Ethereum, and dem go depend on Ethereum for data availability. Dem fit use this data to know the state of the Layer 2, or to dispute transactions wey happen for the Layer 2.

Ethereum way be layer 1 get:

  1. Na network of node operators dem take secure and validate the network

  2. Network of people wey dey produce block

  3. The blockchain e sef and the tori of how dem don dey take transfer things

  4. The agreement for the network

You never understand Ethereum? Learn wetin be Ethereum.

Why we go need layer 2?

Three things wey dey important for blockchain na say e suppose deydecentralized, secure, and scalable. The blockchain trilemma(opens in a new tab) talk say if you wan make your blockchain dey secure and decentralized, you go need to sacrifice scalability.

Ethereum dey process1+ million transactions per day(opens in a new tab). the demand wey dey to use ethereum fit cause transaction fee price make e go up and na there layer 2 networks come in.


The main goal of layer 2 na to increase transaction all through and e no go compromise security and decentralization.

Ethereum mainnet fit only process 15 transaction per seconnds(opens in a new tab) and when the demand to use ethereum con high, the network go con dey congested, and e go increase transaction fees and pursue people wey no fit afford the fees. Layer 2s be the solutions wey reduce those transaction fees when dem processing am comot for layer 1 blockchain.

More tori about wetin Ethereum dey see for future

Better things way dey for layer 2

Money wey small

If we fit join many off-chain transactions inside one layer 1 transaction, e go reduce transaction fees well well. This one go make Ethereum dey accessible for everybody.

Make everything secure

Second level blockchain dey finish their transfer matter for Ethereum main place, e make people fit enjoy the security wey Ethereum network get.

Make the thing wey e fit do plenty pass before

As we dey achieve higher transactions per second, lower fees and new technology, projects go fit expand into new applications wey go make user experience better well well.

How layer 2 dey work?

As we don talk am before, layer 2 na diffferent term for solutions wey dey build on ethereum wey fit handle transactions off ethereum layer 1 and e dey take advantage of the security of ethereum layer 1. Layer 2 na sepereate blockchain wey extend ethereumhow that one take work?

Different types of layer 2 na hin dey, each of them get their won models. layer2 dey comot the transactional burden comot from layer 1 and e dey allow am become less congested and everything go dey alright.


Rollups bundle (or 'roll up') hundrends of transaction inside singe transaction on top layer 1. This make dem spread the L1 transaction fees for everybody wey dey the rollup, making am cheap for every user.

Rolup trasnaction dey excute off layer1 but dem dey submit the transaction data to layer 1. As dem submit the data so, e don dey under the dsecurity of ethereum. This na because once the data don upload to layer 1, if dem wan revert am na to revert ethereum. two different tactics dey to tackle rollups: optimistic and zero knowledge - they different on how we go dey submit transaction data to L1.

Optimistic rollups

Optimistic rollups are 'optimistic' when we see say transactions dey assumed to be valid, but dem fit challenge am if e need. If dem suspect an invalid transactions, dem fit run fault proof to see if e don take place.

More on optimistic rollups

Zero-knowledge rollups

Zero knowledge rollups dey use validity proofs where the transactons dey offcahin and the data wey dem compress go go ethereum mainnet as proof of their validity.

More tori for ZK-rollups

Make yor own research: kasala for layer 2

Plenty layer 2 projects dey young and dem still need make users trust some operators make dem talk true on the decentralized networks. make you dey do your own research to take know if you dey comfortable with any risk involved.

For more tori on the risk and assumtions of layer 2s, we go recommend make you checkout L2BEAT, wey dey provide comprehensive risk assesment framework of different project.

Go L2BEAT(opens in a new tab)

Make yu yus Layer 2

Nau wey you don understand why layer 2 and hau e dey work, make yu helep yu run am!

If yu dey yus smart contract wallet like safe abi argent, yu nor go get kontrol ova address on top layer 2 ontil yu redeploy di contract akant wey dey on top dat address on di layer 2. klassik akant wey get rikovery fraiz go automatikaly own di same on all layer 2 networks.

Generalized layer 2s

Generalized layer 2s dey do like ethereum - but them cheap. Anything wey you fit do on Ethereum layer 1, you fit do am on top layer 2. many dapps don already dey migrate to these networks or have skipped mainnet altogether to deploy straight on a layer 2.

Arbitrum One


Arbitrum na one optimistic rollup wey dey hel people feel say dem dey interact with ethereum but with transactions wey dey cost a fraction of wetin dem dey do on L1.

Note: Wi dey only give pruf of fraud to pipol wey dem don put for whitelist, but wi neva open the whitelist

Arbitrum One Bridge(opens in a new tab)Arbitrum One Ecosystem portal(opens in a new tab)Arbitrum One Token Lists(opens in a new tab)
Explore Arbitrum One(opens in a new tab)



Optimism na fast, simple and secure EVM equivalent optimistic eollup. E dey scale ethereum tech and the value through tetroactive public goods funding.

Note: Fault pruf dey divelopment

Optimism Bridge(opens in a new tab)Optimism Ecosystem portal(opens in a new tab)Optimism Token Lists(opens in a new tab)

Boba Network


Bona na optimistic rollup wey dem fork from optimism wey be scalling solution wey dey help reduce gas fees, improve transactions throughput, and extend the capabilities wey smart contraact get.

Note: Validashon of state dey for divelopment

Boba Network Bridge(opens in a new tab)



Base is a secure, low-cost, developer-friendly Ethereum L2 built to bring the next billion users to web3. It is an Ethereum L2, incubated by Coinbase and built on the open-source OP Stack.

Note: Fraud proof system is currently under development

Base Bridge(opens in a new tab)Base Ecosystem portal(opens in a new tab)



ZKsync na user centric zk rollup platform wey come from Matter Labs. e dey scale the solutions for ethereum, and e don already dey live on ethereum mainnet. e support payments, token swaps and Nft minting.

ZKsync Bridge(opens in a new tab)ZKsync Ecosystem portal(opens in a new tab)ZKsync Token Lists(opens in a new tab)



Starknet is a Validity Rollup Layer 2. It provides high throughput, low gas costs, and retains Ethereum Layer 1 levels of security.

Starknet Bridge(opens in a new tab)Starknet Ecosystem portal(opens in a new tab)Starknet Token Lists(opens in a new tab)

Aplikashon spesifik layer 2s

Aplicashon specific layer 2s be projects wey specialize to dey optimize for specific aplikashon space, wey go bring improved paformans.



Loopring's zkRollup L2 solution dey offer the same security guarantees weyy thereum mainent too dey offer with big scalability boost; through out increase by 100x and them reduce the cost to 0.1% of L1.

Loopring Bridge(opens in a new tab)



The ZKSpace platform consists of three main parts wey be a layer 2 AMM DEX utilizing ZK-Rollups technology called ZKSwap, a payment service called ZKSquare, and an NFT marketplace called ZKSea.

ZKSpace Bridge(opens in a new tab)



Aztec Network na the first private zk rollup wey dey ontop Ethereum, and e dey enable decentralized application access privacy and scale.

Aztec Bridge(opens in a new tab)

Small note on sidechains, validiums and alternative blockchains

Sidechains and validiums be strong blockchains wey dey allow assest from ethereum.

Both of them dey scale same with layer 2s- them dey give lower transaction fees and high transaction throughout but them get different trust assumptions.

Some layer 1 solutions dey report higher throughput and transaction fees wey low pass ethereum, but na otherplace dem dey do the tradeoff, example wey we fit see na hardware wey you need to run nodes.

Hau yu fit take enta layer 2

Na two ways dey wey you fit take get your assests inside layer 2: na to bridge money from ethereum with smart contract abi make you withdraw your money on top any exchange directly to the layer 2 network.

Money for yur wallet?

If you don already get your ETH inside your wallet, you go need use bridge to move am from Ethereum mainnet to layer 2.

Matter about bridges

Select the L2 wey you wan bridge to

Money on top any exchange?

Some centralized excahnges don dey do direct withdrawals and dem dey deposit to layer 2s. Check which excahnge dey support layer 2 withdrawals and which layer 2s dem dey support.

You go need wallet to take withdraw your money. Find ethereum wallet.


Tools to take dey effective on top layer 2


  • L2BEAT
    L2BEAT na great resource to take dey look technical risk assessments of layer 2 projects. we go like make you dey check their resources when you dey research specific layer 2 projects.
    Goto L2BEAT website(opens in a new tab)
  • Ethereum Ecosystem
    Ethereum Ecosystem
    Unofficial Ecosystem page of Ethereum and its Layer 2s including Base, Optimism, and Starknet featuring hundreds of dApps and tools.
    Goto Ethereum Ecosystem website(opens in a new tab)
  • growthepie
    Curated analytics about Ethereum layer 2s
    Goto growthepie website(opens in a new tab)
  • L2 Fees
    L2 Fees
    L2 fees dey let you see the current cost(na usd you go see) wey you dey take do transactions on top different layer 2s.
    Goto L2 Fees website(opens in a new tab)
  • Chainlist
    Chainlist na great resoure to dey import network RPC's inside supporting wallets. you go see RPC's for layer 2 projects wey dey here to help you dey connected.
    Goto Chainlist website(opens in a new tab)

Wallet managers


Test your Ethereum knowledge


Shey dis page dey helep?

Website last update: 10 Julai 2024

Make yu Learn

  • Learn Hub
  • Wetin bi Ethereum?
  • Wetin bi ether (ETH)?
  • Ethereum wallets
  • Wetin bi web3?
  • Smart contracts
  • Gas fees
  • Run node
  • Ethereum sekurity and skam privenshon
  • Kwiz Hub
  • Ethereum glossary


  • Guides
  • Mak yu shuse yor wallet
  • Get ETH
  • Dapps - Disentralized aplikashons
  • Stabolcoins
  • NFTs - Non-fungibol tokens
  • Defi - Disentralized finans
  • DAOs - Disentralized autonomous organisashon
  • Disentralized identity
  • Stake ETH
  • Layer 2
(opens in a new tab)(opens in a new tab)(opens in a new tab)
  • Abou us
  • Ethereum brand assets
  • Code of conduct
  • Jobs
  • Privacy policy
  • Terms of yus
  • Cookie policy
  • Kontact(opens in a new tab)