Cum se calculează Layer 2 Fee Comparison
Ce este Layer 2 Fee Comparison?
The Layer 2 Fee Comparison Calculator compares transaction costs across Ethereum L2 rollups including Arbitrum, Optimism, Base, and zkSync, helping users choose the cheapest network for their specific transaction type.
Formulă
- EF
- Execution Fee ($) — L2 computation cost for executing the transaction
- DF
- Data Fee ($) — Cost of posting transaction data to Ethereum L1
- BC
- Bridge Cost ($) — One-time gas cost to bridge funds from L1 to L2
- S
- Savings per TX ($) — Difference between L1 and L2 transaction cost
Ghid pas cu pas
- 1Select the transaction type (transfer, swap, NFT mint, contract deployment)
- 2The calculator fetches current gas prices on each L2 and the L1 data posting cost
- 3Compare total transaction cost across Arbitrum, Optimism, Base, zkSync, and Ethereum mainnet
- 4Factor in bridge costs if moving funds from mainnet to the L2
Exemple rezolvate
Greșeli frecvente de evitat
- ✕Not including the bridge cost (gas to move funds to L2) when calculating total savings
- ✕Comparing L2 fees at different times — Ethereum L1 congestion directly affects L2 data costs
- ✕Assuming all L2s have the same security guarantees — optimistic vs ZK rollups differ in finality
Întrebări frecvente
Why are L2 fees so much cheaper than Ethereum mainnet?
L2 rollups batch hundreds or thousands of transactions together and post a single compressed proof to Ethereum L1. The L1 data cost is split across all transactions in the batch, reducing per-transaction cost by 10-100x.
Which L2 is cheapest?
As of 2025, Base (Coinbase L2) and Optimism tend to be cheapest for simple transfers. Arbitrum offers the best DeFi ecosystem. zkSync offers ZK-proof security but slightly higher costs. All are dramatically cheaper than L1 after EIP-4844 blob transactions.
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