Guides, tutorials, and insights on L2 gas fees
Failed swaps on L2 still burn gas — usually cents, not dollars. The 5 failures everyone hits (slippage, approvals, missing ETH), why "pending forever" usually isn't, and how to read the revert on Basescan.
Read moreFusaka went live Dec 3, 2025 and cut L2 fees another 70-90% — PeerDAS plus BPO forks raised blob capacity 8x. Median L2 fees hit ~$0.0015, and more bumps are scheduled through 2026.
Read moreSmart wallets and paymasters let you use Base with zero ETH — sponsored gas, or pay in USDC. How ERC-4337 and EIP-7702 changed the game, where "free" comes from, and why I still keep a $5 buffer.
Read moreSolana transfers cost under a cent, Base swaps run $0.002-0.05 — the gap is smaller than the tribalism suggests. Real fee numbers, how each fee model behaves, and which chain actually fits you.
Read moreWithdrawing USDT or ETH from Binance straight to Base costs about $0.10 and lands in under a minute — vs $2-15 to bridge. Full steps, the wrong-network trap, and why you still need a little ETH.
Read moreAave actions cost $15+ on Ethereum but $0.10 to $0.30 on Base and Arbitrum. Real supply, borrow, approval and repay gas for 2026 — plus the minimum deposit that still earns anything.
Read moreTransfers cost under a cent on both Base and Polygon, but the chains are built very differently. A full fee table and which one fits DeFi, NFTs and payments — rollup versus sidechain.
Read moreWhich Layer 2 is best for DeFi? Compare Arbitrum, Base, and Optimism by liquidity depth, gas fees, and protocol coverage — plus the decision tree for swaps, lending, and perp trading.
Read moreWhich Ethereum Layer 2 has the lowest gas fees? Real transfer and swap costs across Base, Arbitrum, Optimism, zkSync, Linea, and Starknet — ranked by actual transaction data.
Read moreHow EIP-4844 blob transactions cut Layer 2 gas fees by 90%+, why fees still spike during congestion, and what full Danksharding changes next for Base, Arbitrum, and Optimism.
Read moreWhy every first token swap needs two transactions: the ERC-20 approval explained. Approval gas costs $5 to $20 on Ethereum but under $0.30 on Base and Arbitrum — plus when infinite approvals save you money.
Read moreEvery GMX cost laid out: the 0.05% to 0.07% taker fee, hourly borrow fees, and Arbitrum gas for approvals, opens and closes. See the all-in cost of a leveraged trade in 2026.
Read moreChoose a trusted platform to swap, bridge, and trade on L2 networks.
Affiliate links — we may earn a commission at no extra cost to you.