Blog — 2 | L2 Gas Tracker

2026-09-11

Uniswap Fees on Base and Arbitrum: What a Swap Actually Costs

The real all-in cost of a swap on Uniswap L2: the 0.05% to 1% protocol fee, gas at $0.01 to $0.30, and the one-time approval — plus slippage. Real Base vs Arbitrum numbers.

2026-09-11

What Is Ethereum Layer 2? Gas Fees Explained in Plain English

Layer 2 networks make Ethereum up to 100x cheaper — here is why, without the jargon. How rollups batch transactions, why L2 fees still track Ethereum gas, and what your $0.05 swap actually pays for.

2026-09-10

How to Add Base to MetaMask in 2026 (Chain ID 8453 + Gas Tips)

Add Base to MetaMask in two minutes: one-click Chainlist setup or manual RPC details with Chain ID 8453. Plus how much ETH you actually need for gas and how to fix the insufficient-funds error.

2026-09-08

Why Bridging to Arbitrum Costs $5 — and How to Pay $2 Instead

Arbitrum bridge fees explained: why depositing from mainnet costs $2 to $15, the official vs fast bridge tradeoff, and how to time it for the cheapest deposit.

2026-09-08

Base vs Ethereum Mainnet Gas Fees: The 100x Difference, Explained

Why Base gas fees are 50 to 200 times cheaper than Ethereum mainnet — the rollup trick, real side-by-side costs, and the one catch that still costs you mainnet money.

2026-09-08

What Is Gwei on Base and Arbitrum? The One Number That Decides Your Gas Cost

Gwei explained for L2 users: why gas price in gwei works differently on Base and Arbitrum, how to read it, and when it actually matters for your wallet.

2026-09-07

Why Are Arbitrum Gas Fees Sometimes Higher Than You Expect?

Why Arbitrum gas fees spike even when the chain is quiet: the L1 data fee most explainers skip, plus real costs for swaps, GMX trades, and mints.

2026-09-07

Base Gas Fees Explained: What You Actually Pay Per Transaction in 2026

What does a transaction on Base network actually cost? Real numbers for swaps, NFT mints, and transfers in 2026 — and why bridging is the only expensive part.

2026-09-07

Base vs Arbitrum in 2026: I Use Both Every Week, Here's the Honest Difference

An honest Base vs Arbitrum comparison from someone who keeps ETH on both chains: real differences in fees, speed, DeFi apps, and where each one actually wins.

2026-09-07

When Is Gas Cheapest on Base and Arbitrum? I Checked 30 Days of Data

I logged 30 days of gas readings from Base and Arbitrum to find the cheapest hours to trade — broken down by US, European, and Asian time zones.

2026-09-07

How I Cut My Base Gas Costs in Half (No Technical Degree Required)

Practical ways to save gas on Base: permit approvals, avoiding failed transactions, timing your bridges, and why the fast gas tier is mostly a tax on impatience.

2026-09-06

8 Things That Quietly Eat Your L2 Gas Budget (and How to Fix Them)

Eight small gas leaks on Base and Arbitrum that quietly add up — failed transactions, fast-tier defaults, unlimited approvals, and how to plug each one in under a minute.