Guides

Short, practical explanations of the numbers on GasNow, written to help you pay less in fees and read the market more clearly.

• What Is Gwei? Ethereum Gas Units Explained

  Gwei is the unit used to price Ethereum gas. Learn how gwei, wei and ETH relate, how to convert gwei to dollars and what a normal gas price looks like.

• EIP-1559 Explained: Base Fee, Priority Fee and Max Fee

  How Ethereum fees work since EIP-1559: the burned base fee, the priority tip, the max fee cap, how the base fee changes each block and how refunds work.

• Gas Limit vs Gas Used vs Gas Price on Ethereum

  The difference between gas limit, gas used and gas price, why failed transactions still cost gas and how to estimate the gas a transaction will need.

• How to Pay Less Gas on Ethereum: 9 Practical Tips

  Practical ways to cut Ethereum gas fees: timing, layer-2 rollups, sensible tips, batching, avoiding failed transactions and using the right token approvals.

• Ethereum Layer-2 Fees: Why Rollups Are So Much Cheaper

  How layer-2 rollups like Arbitrum, Optimism and Base keep fees low, what blobs from EIP-4844 changed, and when using mainnet still makes sense.

• Stuck or Pending Transaction? How to Speed Up or Cancel (ETH and BTC)

  Why Ethereum and Bitcoin transactions get stuck and how to fix them: replace by nonce, speed up with a higher fee, cancel, RBF and CPFP explained step by step.

• Bitcoin Transaction Fees Explained: sat/vB, vBytes and the Mempool

  How Bitcoin fees work: satoshis per virtual byte, why transaction size matters more than amount, SegWit and Taproot discounts and how the mempool sets the price.

• How to Lower Bitcoin Transaction Fees: SegWit, Batching and Timing

  Practical ways to pay less in Bitcoin fees: use native SegWit or Taproot, consolidate UTXOs when fees are low, batch payments, pick the right fee rate and use RBF.

• Crypto Fear & Greed Index Explained: How to Read It

  What the Crypto Fear & Greed Index measures, how its 0–100 scale works, its main inputs, how traders use it and its limitations as a market signal.

• Market Stress Index (MSI): Methodology and How to Read It

  How GasNow's Market Stress Index is calculated from funding rates, open interest, volatility, liquidations, BTC dominance and stablecoin supply, with weights and thresholds.

• Funding Rates, Open Interest and Leverage: Reading Crypto Derivatives

  A plain-English guide to perpetual futures funding rates, open interest, long/short ratios and liquidations, and how GasNow's Leverage Index combines them.

• The Bitcoin Halving Cycle Explained: Phases, Dates and History

  What the Bitcoin halving is, when it happens, how past four-year cycles unfolded and how GasNow tracks the current position in the halving cycle.