Network
Launch Date
Consensus
Note
Sepolia
Oct 2021
PoW
Like-for-like representation of Ethereum
Görli
Jan 2019
PoA
Proof-of-Authority
Kiln
Mar 2022
PoS
Post-Merge (for ETH2), shadow fork of the mainnet
Kintsugi
Dec 2021
PoS
DEPRECATED, use Kiln; post-Merge (for ETH2)
Ropsten
Nov 2016
PoW
DEPRECATED, use Sepolia; the Merge to happen on Jun 8, 2022
Rinkeby
Apr 2017
PoA
DEPRECATED, use Görli and Görli Faucet
Kovan
Mar 2017
PoA
DEPRECATED, use Sepolia or Görli
List of active and deprecated Ethereum testnets, including Kintsugi.
Features
Optimistic rollup 
ZK-rollup 
Proof
Uses fraud proofs to prove transaction validity. 
Uses validity (zero-knowledge) proofs to prove transaction validity. 
Capital efficiency
Requires waiting through a 1-week delay (dispute period) before withdrawing funds. 
Users can withdraw funds immediately because validity proofs provide incontrovertible evidence of the authenticity of off-chain transactions. 
Data compression
Publishes full transaction data as calldata to Ethereum Mainnet, which increases rollup costs. 
Doesn't need to publish transaction data on Ethereum because ZK-SNARKs and ZK-STARKs already guarantee the accuracy of the rollup state. 
EVM compatibility
Uses a simulation of the Ethereum Virtual Machine (EVM), which allows it to run arbitrary logic and support smart contracts. 
Doesn't widely support EVM computation, although a few EVM-compatible ZK-rollups have appeared. 
Rollup costs
Reduces costs since it publishes minimal data on Ethereum and doesn't have to post proofs for transactions, except in special circumstances. 
Faces higher overhead from costs involved in generating and verifying proofs for every transaction block. ZK proofs require specialized, expensive hardware to create and have high on-chain verification costs. 
Trust assumptions
Doesn't require a trusted setup. 
Requires a trusted setup to work. 
Liveness requirements
Verifiers are needed to keep tabs on the actual rollup state and the one referenced in the state root to detect fraud. 
Users don't need someone to watch the L2 chain to detect fraud. 
Security properties 
Relies on cryptoeconomic incentives to assure users of rollup security. 
Relies on cryptographic guarantees for security. 
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curl 
https://release.solana.com/v1.10.32/solana-install-init-x86_64-pc-windows-msvc.exe 
--output 
C:\solana-install-tmp\solana-install-init.exe 
--create-dirs
Solana
SOLANA EVM OVERVIEW

An Introduction to the Solana EVM

Solana EVM Benefits, Trade Offs, and How to Get Started
Last Updated:
August 5, 2022

A virtual machine is a building block of a virtualized computing resource that exhibits nearly all the same functionality as a computer, including running applications and operating systems. This concept of the virtual machine is not novel. The technology is used across numerous technology ecosystems. 

The largest smart contract development platform, Ethereum, uses an Ethereum Virtual Machine (EVM) to run smart contracts on a globally distributed network of nodes. Because there are a lot of developers building Ethereum applications, EVM-compatible blockchains, and people using Ethereum, creating a Solana EVM to make Ethereum smart contracts compatible with Solana's rust-based blockchain is advantageous.

This article will explain the Solana EVM, its benefits, limitations, and how it is currently being used.

What is a Solana EVM?

A Solana EVM is a software platform that enables decentralized applications (dApps) and transactions on the Ethereum blockchain network to also be processed by the Solana blockchain. 

The EVM is an abstraction layer separating a physical machine (the node) from the smart contract code. Since all Ethereum nodes run some instance of an EVM, they form a universal web or globally decentralized computer.

Ethereum boasts one of the most established Web3 communities, with the most popular blockchain wallets, DeFi platforms, developer tools, and NFT projects, but there are obvious bottlenecks. Ethereum’s dynamic growth has contributed to high transaction costs and low throughput for a large addressable user and developer base. 

In contrast, Solana provides end-users with rapid transaction speeds and low transaction expenses. Before the introduction of the Solana EVM, porting over Ethereum projects onto the Solana network was impractical because of differences between Solidity and Rust programming languages and other developer tooling. 

The Solana EVM enables Ethereum developers to leverage their familiarity and experience with Solidity, developer tooling, and existing codebases to scale their applications on Solana. 

Is Solana EVM compatible?

Yes, the Solana blockchain network is EVM compatible using Solana EVMs like the EVM built by Neon Labs.

EVM compatibility allows Ethereum-based smart contracts and projects to deploy on a compatible blockchain. In general, interoperability between blockchains is one of the biggest issues that the industry is currently trying to solve, and EVM compatibility is a step in the right direction. 

Due to the burgeoning user base and increasing volume of dApps, it became unsustainable to maintain low costs and high transaction speeds on the Ethereum network. Noticing these rising problems, other permissionless blockchains reacted by offering infrastructure that could support faster transactions and lower gas fees. 

Instead of devising a new way of implementing smart contracts, developers simply emulated parts of the Ethereum network. This resulted in time savings, reduction in knowledge transfer costs, and cut back on development requirements. Many new blockchain platforms now support the EVM to attract users, talent, and innovation present in the Ethereum ecosystem. 

What are the benefits of the Solana EVM?

Though it’s still early, the benefits of using a Solana EVM  include efficient scaling, better accessibility to the Solana ecosystem, the ability to use complimentary tools across chains, easy porting of smart contracts, and providing access to more users.

1. Efficient scaling

As a result of the Solana network, web3 developers can take advantage of low gas fees and high throughputs due to its parallel processing (Sealevel) and novel innovations such as Proof-of-History which enables 400ms block times.

2. Access to the Solana ecosystem

Ethereum developers and creators can gain access to the Solana developer, DeFi, and NFT ecosystem by migrating or extending their application using a Solana EVM.

3. Using a complimentary toolset

Instead of learning how to use new tools, EVM developers can seamlessly continue using tools that they are already familiar with like MetaMask, Truffle, and Waffle. 

4. Adapting smart contracts easily 

Existing dApps on Ethereum can be ported over to Solana Programs (i.e. Solana smart contracts) without any reconfigurations of the underlying smart contracts. 

5. Democratizing access

Using a Solana EVM means the Ethereum ecosystem’s consumers, talent, and innovation follow and can more easily adapt projects to both blockchains.

What companies are building a Solana EVM?

The first EVM on Solana was created by Neon Labs, which brings together the benefits of the Ethereum infrastructure with the scalability and liquidity of Solana. 

Neon Labs

The Neon EVM is a cross-chain solution that allows dApp developers to access the advantages of Solana to expand their services, offering new products like arbitrage or high-frequency trading, grow their user base, and decrease costs where possible, including gas fees.

The Neon EVM enables Ethereum transactions to process on Solana, taking full advantage of the functionality native to Solana, including the ability to execute transactions in parallel. To facilitate this parallel execution of smart contracts, the Neon EVM ensures that each contract keeps its data in its own Solana storage and account balances used to pay for Neon transactions stay updated. 

The Neon EVM works as a smart contract on the Solana blockchain. This means that the contract can interact with and call other smart contracts on Solana such as SPL tokens. The Neon EVM can access data stored on Solana accounts, and every Ethereum-like account within the Neon EVM is stored in a corresponding Solana account. 

Neon Labs has also developed complementary tools for developers and creators to maximize the user experience of their Solana EVM. 

What is the Neon Lab’s ERC-20/SPL wrapper?

The ERC-20/SPL wrapper is the implementation of the ERC-20 interface for SPL tokens that ensures Solana applications interact with Neon EVM contracts.

The original ERC-20 tokens are wrapped in the SPL tokens so that they can operate with Solana wallets and programs. Transferring SOL/SPL tokens using Ethereum wallets such as MetaMask can also be achieved using the wrapper.

How to Get Started with the Neon EVM

The quickest way to get started with the Neon EVM is to install MetaMask and then proceed with connecting your MetaMask wallet to the NeonEVM devnet using Chainlist or manually.

Here's how to connect to a new chain in MetaMask:

  • Neon EVM testnet RPC server address: https://proxy.devnet.neonlabs.org/solana
  • ChainID: 245022926.
  • Faucet: https://neonfaucet.org/

Interested developers can learn more about the Neon EVM through the NeonEVM documentation, and once you're on the Solana devnet, developers can request test NEON tokens using the NeonFaucet website or by using the NeonFaucet API. 

When you're ready to launch your Solana app into production, upgrade to a reliable Solana RPC provider like Alchemy for a seamless developer experience.

Conclusion

Solana EVMs combine the benefits of Ethereum with the speed and efficiency of the Solana blockchain network.

This focus on EVM compatibility will help spur the next generation of applications to become multi-chain, induce network effects, and improve the overall user experience as engagement migrates towards scalable technology.

To begin using Solana on Alchemy, head over to the Solana API documentation and find out what Solana methods Alchemy supports. 

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Solana
SOLANA EVM OVERVIEW

An Introduction to the Solana EVM

Solana EVM Benefits, Trade Offs, and How to Get Started
Last Updated:
August 5, 2022
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A virtual machine is a building block of a virtualized computing resource that exhibits nearly all the same functionality as a computer, including running applications and operating systems. This concept of the virtual machine is not novel. The technology is used across numerous technology ecosystems. 

The largest smart contract development platform, Ethereum, uses an Ethereum Virtual Machine (EVM) to run smart contracts on a globally distributed network of nodes. Because there are a lot of developers building Ethereum applications, EVM-compatible blockchains, and people using Ethereum, creating a Solana EVM to make Ethereum smart contracts compatible with Solana's rust-based blockchain is advantageous.

This article will explain the Solana EVM, its benefits, limitations, and how it is currently being used.

What is a Solana EVM?

A Solana EVM is a software platform that enables decentralized applications (dApps) and transactions on the Ethereum blockchain network to also be processed by the Solana blockchain. 

The EVM is an abstraction layer separating a physical machine (the node) from the smart contract code. Since all Ethereum nodes run some instance of an EVM, they form a universal web or globally decentralized computer.

Ethereum boasts one of the most established Web3 communities, with the most popular blockchain wallets, DeFi platforms, developer tools, and NFT projects, but there are obvious bottlenecks. Ethereum’s dynamic growth has contributed to high transaction costs and low throughput for a large addressable user and developer base. 

In contrast, Solana provides end-users with rapid transaction speeds and low transaction expenses. Before the introduction of the Solana EVM, porting over Ethereum projects onto the Solana network was impractical because of differences between Solidity and Rust programming languages and other developer tooling. 

The Solana EVM enables Ethereum developers to leverage their familiarity and experience with Solidity, developer tooling, and existing codebases to scale their applications on Solana. 

Is Solana EVM compatible?

Yes, the Solana blockchain network is EVM compatible using Solana EVMs like the EVM built by Neon Labs.

EVM compatibility allows Ethereum-based smart contracts and projects to deploy on a compatible blockchain. In general, interoperability between blockchains is one of the biggest issues that the industry is currently trying to solve, and EVM compatibility is a step in the right direction. 

Due to the burgeoning user base and increasing volume of dApps, it became unsustainable to maintain low costs and high transaction speeds on the Ethereum network. Noticing these rising problems, other permissionless blockchains reacted by offering infrastructure that could support faster transactions and lower gas fees. 

Instead of devising a new way of implementing smart contracts, developers simply emulated parts of the Ethereum network. This resulted in time savings, reduction in knowledge transfer costs, and cut back on development requirements. Many new blockchain platforms now support the EVM to attract users, talent, and innovation present in the Ethereum ecosystem. 

What are the benefits of the Solana EVM?

Though it’s still early, the benefits of using a Solana EVM  include efficient scaling, better accessibility to the Solana ecosystem, the ability to use complimentary tools across chains, easy porting of smart contracts, and providing access to more users.

1. Efficient scaling

As a result of the Solana network, web3 developers can take advantage of low gas fees and high throughputs due to its parallel processing (Sealevel) and novel innovations such as Proof-of-History which enables 400ms block times.

2. Access to the Solana ecosystem

Ethereum developers and creators can gain access to the Solana developer, DeFi, and NFT ecosystem by migrating or extending their application using a Solana EVM.

3. Using a complimentary toolset

Instead of learning how to use new tools, EVM developers can seamlessly continue using tools that they are already familiar with like MetaMask, Truffle, and Waffle. 

4. Adapting smart contracts easily 

Existing dApps on Ethereum can be ported over to Solana Programs (i.e. Solana smart contracts) without any reconfigurations of the underlying smart contracts. 

5. Democratizing access

Using a Solana EVM means the Ethereum ecosystem’s consumers, talent, and innovation follow and can more easily adapt projects to both blockchains.

What companies are building a Solana EVM?

The first EVM on Solana was created by Neon Labs, which brings together the benefits of the Ethereum infrastructure with the scalability and liquidity of Solana. 

Neon Labs

The Neon EVM is a cross-chain solution that allows dApp developers to access the advantages of Solana to expand their services, offering new products like arbitrage or high-frequency trading, grow their user base, and decrease costs where possible, including gas fees.

The Neon EVM enables Ethereum transactions to process on Solana, taking full advantage of the functionality native to Solana, including the ability to execute transactions in parallel. To facilitate this parallel execution of smart contracts, the Neon EVM ensures that each contract keeps its data in its own Solana storage and account balances used to pay for Neon transactions stay updated. 

The Neon EVM works as a smart contract on the Solana blockchain. This means that the contract can interact with and call other smart contracts on Solana such as SPL tokens. The Neon EVM can access data stored on Solana accounts, and every Ethereum-like account within the Neon EVM is stored in a corresponding Solana account. 

Neon Labs has also developed complementary tools for developers and creators to maximize the user experience of their Solana EVM. 

What is the Neon Lab’s ERC-20/SPL wrapper?

The ERC-20/SPL wrapper is the implementation of the ERC-20 interface for SPL tokens that ensures Solana applications interact with Neon EVM contracts.

The original ERC-20 tokens are wrapped in the SPL tokens so that they can operate with Solana wallets and programs. Transferring SOL/SPL tokens using Ethereum wallets such as MetaMask can also be achieved using the wrapper.

How to Get Started with the Neon EVM

The quickest way to get started with the Neon EVM is to install MetaMask and then proceed with connecting your MetaMask wallet to the NeonEVM devnet using Chainlist or manually.

Here's how to connect to a new chain in MetaMask:

  • Neon EVM testnet RPC server address: https://proxy.devnet.neonlabs.org/solana
  • ChainID: 245022926.
  • Faucet: https://neonfaucet.org/

Interested developers can learn more about the Neon EVM through the NeonEVM documentation, and once you're on the Solana devnet, developers can request test NEON tokens using the NeonFaucet website or by using the NeonFaucet API. 

When you're ready to launch your Solana app into production, upgrade to a reliable Solana RPC provider like Alchemy for a seamless developer experience.

Conclusion

Solana EVMs combine the benefits of Ethereum with the speed and efficiency of the Solana blockchain network.

This focus on EVM compatibility will help spur the next generation of applications to become multi-chain, induce network effects, and improve the overall user experience as engagement migrates towards scalable technology.

To begin using Solana on Alchemy, head over to the Solana API documentation and find out what Solana methods Alchemy supports. 

A virtual machine is a building block of a virtualized computing resource that exhibits nearly all the same functionality as a computer, including running applications and operating systems. This concept of the virtual machine is not novel. The technology is used across numerous technology ecosystems. 

The largest smart contract development platform, Ethereum, uses an Ethereum Virtual Machine (EVM) to run smart contracts on a globally distributed network of nodes. Because there are a lot of developers building Ethereum applications, EVM-compatible blockchains, and people using Ethereum, creating a Solana EVM to make Ethereum smart contracts compatible with Solana's rust-based blockchain is advantageous.

This article will explain the Solana EVM, its benefits, limitations, and how it is currently being used.

What is a Solana EVM?

A Solana EVM is a software platform that enables decentralized applications (dApps) and transactions on the Ethereum blockchain network to also be processed by the Solana blockchain. 

The EVM is an abstraction layer separating a physical machine (the node) from the smart contract code. Since all Ethereum nodes run some instance of an EVM, they form a universal web or globally decentralized computer.

Ethereum boasts one of the most established Web3 communities, with the most popular blockchain wallets, DeFi platforms, developer tools, and NFT projects, but there are obvious bottlenecks. Ethereum’s dynamic growth has contributed to high transaction costs and low throughput for a large addressable user and developer base. 

In contrast, Solana provides end-users with rapid transaction speeds and low transaction expenses. Before the introduction of the Solana EVM, porting over Ethereum projects onto the Solana network was impractical because of differences between Solidity and Rust programming languages and other developer tooling. 

The Solana EVM enables Ethereum developers to leverage their familiarity and experience with Solidity, developer tooling, and existing codebases to scale their applications on Solana. 

Is Solana EVM compatible?

Yes, the Solana blockchain network is EVM compatible using Solana EVMs like the EVM built by Neon Labs.

EVM compatibility allows Ethereum-based smart contracts and projects to deploy on a compatible blockchain. In general, interoperability between blockchains is one of the biggest issues that the industry is currently trying to solve, and EVM compatibility is a step in the right direction. 

Due to the burgeoning user base and increasing volume of dApps, it became unsustainable to maintain low costs and high transaction speeds on the Ethereum network. Noticing these rising problems, other permissionless blockchains reacted by offering infrastructure that could support faster transactions and lower gas fees. 

Instead of devising a new way of implementing smart contracts, developers simply emulated parts of the Ethereum network. This resulted in time savings, reduction in knowledge transfer costs, and cut back on development requirements. Many new blockchain platforms now support the EVM to attract users, talent, and innovation present in the Ethereum ecosystem. 

What are the benefits of the Solana EVM?

Though it’s still early, the benefits of using a Solana EVM  include efficient scaling, better accessibility to the Solana ecosystem, the ability to use complimentary tools across chains, easy porting of smart contracts, and providing access to more users.

1. Efficient scaling

As a result of the Solana network, web3 developers can take advantage of low gas fees and high throughputs due to its parallel processing (Sealevel) and novel innovations such as Proof-of-History which enables 400ms block times.

2. Access to the Solana ecosystem

Ethereum developers and creators can gain access to the Solana developer, DeFi, and NFT ecosystem by migrating or extending their application using a Solana EVM.

3. Using a complimentary toolset

Instead of learning how to use new tools, EVM developers can seamlessly continue using tools that they are already familiar with like MetaMask, Truffle, and Waffle. 

4. Adapting smart contracts easily 

Existing dApps on Ethereum can be ported over to Solana Programs (i.e. Solana smart contracts) without any reconfigurations of the underlying smart contracts. 

5. Democratizing access

Using a Solana EVM means the Ethereum ecosystem’s consumers, talent, and innovation follow and can more easily adapt projects to both blockchains.

What companies are building a Solana EVM?

The first EVM on Solana was created by Neon Labs, which brings together the benefits of the Ethereum infrastructure with the scalability and liquidity of Solana. 

Neon Labs

The Neon EVM is a cross-chain solution that allows dApp developers to access the advantages of Solana to expand their services, offering new products like arbitrage or high-frequency trading, grow their user base, and decrease costs where possible, including gas fees.

The Neon EVM enables Ethereum transactions to process on Solana, taking full advantage of the functionality native to Solana, including the ability to execute transactions in parallel. To facilitate this parallel execution of smart contracts, the Neon EVM ensures that each contract keeps its data in its own Solana storage and account balances used to pay for Neon transactions stay updated. 

The Neon EVM works as a smart contract on the Solana blockchain. This means that the contract can interact with and call other smart contracts on Solana such as SPL tokens. The Neon EVM can access data stored on Solana accounts, and every Ethereum-like account within the Neon EVM is stored in a corresponding Solana account. 

Neon Labs has also developed complementary tools for developers and creators to maximize the user experience of their Solana EVM. 

What is the Neon Lab’s ERC-20/SPL wrapper?

The ERC-20/SPL wrapper is the implementation of the ERC-20 interface for SPL tokens that ensures Solana applications interact with Neon EVM contracts.

The original ERC-20 tokens are wrapped in the SPL tokens so that they can operate with Solana wallets and programs. Transferring SOL/SPL tokens using Ethereum wallets such as MetaMask can also be achieved using the wrapper.

How to Get Started with the Neon EVM

The quickest way to get started with the Neon EVM is to install MetaMask and then proceed with connecting your MetaMask wallet to the NeonEVM devnet using Chainlist or manually.

Here's how to connect to a new chain in MetaMask:

  • Neon EVM testnet RPC server address: https://proxy.devnet.neonlabs.org/solana
  • ChainID: 245022926.
  • Faucet: https://neonfaucet.org/

Interested developers can learn more about the Neon EVM through the NeonEVM documentation, and once you're on the Solana devnet, developers can request test NEON tokens using the NeonFaucet website or by using the NeonFaucet API. 

When you're ready to launch your Solana app into production, upgrade to a reliable Solana RPC provider like Alchemy for a seamless developer experience.

Conclusion

Solana EVMs combine the benefits of Ethereum with the speed and efficiency of the Solana blockchain network.

This focus on EVM compatibility will help spur the next generation of applications to become multi-chain, induce network effects, and improve the overall user experience as engagement migrates towards scalable technology.

To begin using Solana on Alchemy, head over to the Solana API documentation and find out what Solana methods Alchemy supports. 

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