Getting Started with Bitcoin

Bitcoin Transaction Fees

Bitcoin transaction fees incentivize miners to include your transaction in a block. In this lesson, you’ll learn how fees are calculated and the key factors that influence what you pay.

What Are Bitcoin Transaction Fees?

Fees are small amounts of BTC paid to miners for confirming transactions. They help secure the network by prioritizing transactions that contribute more fee per byte of data.

Factors That Affect Fees

  • Network congestion: When more users are competing for block space, fee rates rise.
  • Transaction size (vbytes): Bigger transactions (more inputs, complex scripts) cost more because they consume more block space.
  • Speed preference: Higher fee rates generally get confirmed sooner because miners prioritize them.

Ways to Reduce Fees

  • Send at off-peak times: Fees tend to be lower when the mempool is less crowded.
  • Batch payments: Combine multiple outputs in one transaction when it makes sense.
  • Use Layer 2 (Lightning): For frequent small payments, Lightning can be cheaper and faster.

Tracking Current Fee Rates

Use mempool explorers and wallet fee estimators to see live fee rates and estimate costs for your desired confirmation speed.

Summary

Fees are essential for network security and miner incentives. Understanding how they work helps you choose sensible fee rates, save money, and avoid unnecessary delays.

What's Next?

Next, explore Solana—a high-throughput chain known for low fees and fast finality—so you can compare user experiences across major networks.