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Beginners Guide

Lead · Beginners Guide

Your Transaction Failed — So Why Did You Still Pay Gas? What the EVM Is Actually Charging You For

Gas fee was never payment for success — it's payment for the attempt itself. Even when it fails, the computation already happened, and that cost can't be refunded.
In May 2026 alone, the Ethereum network recorded over 1.2 million failed transactions — every single one of them still incurred a Gas Fee, with the single highest fee paid on a failed transaction converting to more than $10,000. For anyone hitting this for the first time, it feels absurd on its face: nothing was delivered, yet money still got taken — something that almost never happens with an...
Beginners Guide
Why a Major Consensus Overhaul Isn't Always a "Hard Fork": What Solana's Alpenglow Reveals About How Forks Are Actually Classified
Fork classification was never about how big the change is — it's about...
Beginners Guide
Why Does Searching the Same Token Name Turn Up Several Different Contract Addresses?
Name, ticker, icon — anyone can copy them for free. The contract address...
Beginners Guide
What Is a Testnet: A Blockchain Where You Can Break Everything and No One Actually Loses Money
A testnet looks almost exactly like mainnet — the one difference is that...
"Gas fee was never payment for success — it's payment for the attempt itself. Even when it fails, the computation already happened, and that cost can't be refunded."
— Chain Bible
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