Jinsi ya kukokotoa Layer 2 Fee Comparison
Layer 2 Fee Comparison ni nini?
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.
Fomula
- 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
Mwongozo wa Hatua kwa Hatua
- 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
Mifano Iliyotatuliwa
Makosa ya Kawaida ya Kuepuka
- ✕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
Maswali yanayoulizwa mara kwa mara
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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