Ethereum vs Optimism

Ethereum and Optimism are two popular blockchains. In this article we'll compare them across a variety of metrics. Both blockchains have their own strengths and weaknesses, and we'll explore them below.

Table of Contents

  1. Metrics
  2. Detailed Comparison
  3. FAQs

Metrics

EthereumOptimism
Created byVitalik ButerinJinglan Wang, Benjamin Jones, Karl Floersch, and Kevin Ho
Native tokenETHOP
Consensus algorithmPoSPoS
Hashing algorithmKECCAK-256KECCAK-256
Supports EVMYesYes
TPS274000
Block time (secs)122
Layer12
Supports smart contractsYesYes
Average transaction fee$17.48$0.141
Staking rewards (APR)3.31%%

Detailed Comparison

Layer Architecture and Scalability

Ethereum and Optimism represent different layers in the blockchain ecosystem. Ethereum operates as a Layer 1 (L1) base chain, while Optimism functions as a Layer 2 (L2) scaling solution built on top of Ethereum. This fundamental difference drives many of their comparative metrics:

  • Transaction Speed (TPS)
    • Ethereum: 27 TPS
    • Optimism: 4,000 TPS

The massive difference in transaction throughput showcases why Optimism was created - to scale Ethereum's capabilities. Users can expect significantly faster transaction processing on Optimism, making it more suitable for high-frequency applications like gaming or DeFi trading.

  • Block Time
    • Ethereum: 12 seconds
    • Optimism: 2 seconds

The faster block time on Optimism means users get quicker transaction confirmations, improving the overall user experience for dApp interactions.

Transaction Costs

One of the most striking differences between these networks is their transaction costs:

  • Average Transaction Fee
    • Ethereum: $17.48
    • Optimism: $0.141

This dramatic difference in fees makes Optimism significantly more accessible for everyday users. The lower fees enable use cases that would be cost-prohibitive on Ethereum mainnet, such as:

  • Small value transfers
  • Frequent trading
  • NFT minting
  • Gaming transactions

Technical Similarities

Despite their architectural differences, both chains share several technical characteristics:

  • EVM Compatibility: Both chains are EVM-compatible, allowing developers to deploy the same smart contracts with minimal modifications
  • Consensus Mechanism: Both utilize Proof of Stake (PoS)
  • Hashing Algorithm: Both employ KECCAK-256
  • Smart Contracts: Both platforms fully support smart contract functionality

Tokenomics and Rewards

The chains differ in their token economics and staking structures:

  • Staking Rewards
    • Ethereum: 3.31%
    • Optimism: Not available

Ethereum offers clear staking incentives for token holders, while Optimism's token (OP) serves primarily as a governance token. Neither chain has a maximum supply cap, allowing for continued issuance according to their respective protocols.

Development and Origins

The chains have different origin stories and development teams:

  • Ethereum was created by Vitalik Buterin, who remains a prominent figure in the cryptocurrency space
  • Optimism was developed by a team including Jinglan Wang, Benjamin Jones, Karl Floersch, and Kevin Ho

Ecosystem and Documentation

Both chains maintain strong development ecosystems, but with different focuses:

  • Ethereum
    • Extensive documentation
    • Larger developer community
    • More established history
    • Comprehensive Wikipedia presence
  • Optimism
    • Active Medium blog
    • Growing developer community
    • Focus on scaling solutions
    • Strong social media presence

Use Case Optimization

The chains serve different primary purposes:

Ethereum is optimized for:

  • High-value transactions
  • Base layer security
  • Decentralized consensus
  • Network effects and liquidity

Optimism is optimized for:

  • High-frequency transactions
  • Cost-effective operations
  • Quick finality
  • User accessibility

Security Model

The security models differ significantly:

Ethereum:

  • Directly secured by thousands of validators
  • Complete decentralization
  • Independent security model

Optimism:

  • Inherits security from Ethereum
  • Uses fraud proofs for transaction validity
  • Relies on Ethereum for final settlement

This means that while Optimism can offer faster and cheaper transactions, it ultimately depends on Ethereum's security guarantees. Users must consider this trade-off between performance and security when choosing which chain to use for their specific needs.

FAQs

Is Ethereum faster than Optimism?

No, Ethereum only processes 27 transactions per second. Optimism processes up to 4000.

Is Ethereum cheaper than Optimism?

No, Ethereum has an average transaction fee of $17.48, whereas Optimism costs $0.141.