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Understanding gas fees in five minutes

Why does the same transaction cost pennies one hour and a small fortune the next? It comes down to an auction.

Sofia Lindqvist

Stablecoin & Payments Correspondent · · Updated · 4 min read

Covers Explainers · Wallets · Beginner guides

Understanding gas fees in five minutes

Every action on a blockchain — sending a token, swapping, minting — consumes computational work. Gas is the unit that measures that work, and the fee is what you pay validators to include your transaction in a block.

It's an auction

Block space is finite. When demand spikes, users bid higher fees to jump the queue. When the network is quiet, fees fall toward the floor. That is why costs swing so widely across a single day.

How to pay less

  • Transact during off-peak hours when the auction is cold.
  • Use a layer-2 network, where the same action costs a fraction of the base layer.
  • Batch multiple actions into one transaction where the app allows it.

The mental model that helps: you are not paying for the transaction itself, you are paying for priority in a crowded room.

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Sofia Lindqvist
Sofia Lindqvist

Stablecoin & Payments Correspondent

Sofia Lindqvist is a Stablecoin & Payments Correspondent at Coin Currents Daily, where she specializes in stablecoins, digital payments, tokenized dollars, cross-border settlements, central bank digital currencies (CBDCs), and the evolving infrastructure of blockchain-based finance. Her work focuses on analyzing how stablecoins and digital payment networks are reshaping the global financial system, helping readers understand the technologies, regulations, and market forces driving the adoption of blockchain-powered payments. Sofia regularly covers major stablecoin issuers, payment innovations, tokenized assets, cross-border transaction networks, and regulatory developments through data-driven reporting and in-depth industry analysis. Before joining Coin Currents Daily, Sofia researched digital payment systems, financial technology, and blockchain-based settlement infrastructure, developing expertise in stablecoin ecosystems, tokenized financial products, and global payment networks. Her reporting combines technical accuracy with clear, accessible explanations, enabling readers to understand both the practical applications and the broader economic impact of digital currencies. At Coin Currents Daily, Sofia contributes daily news coverage, market analysis, educational guides, and long-form research articles focused on stablecoins and the future of digital payments. Her goal is to provide readers with reliable, objective insights into one of the fastest-growing sectors of the digital asset industry while highlighting the innovations, regulatory changes, opportunities, and challenges shaping the future of global finance.