What is a Transaction Fee?

A transaction fee (also called network fee or gas fee) is the cost you pay to have your transaction processed and recorded on a blockchain. These fees compensate miners or validators who verify transactions and maintain network security.

How Transaction Fees Work

  1. You submit transaction: Send crypto or interact with smart contract
  2. Fee attached: Incentive for validators/miners
  3. Prioritization: Higher fees = faster processing
  4. Validation: Transaction included in a block
  5. Fee distributed: To validators/miners

Fee Factors

Network Congestion

  • High demand = higher fees
  • Low demand = lower fees
  • Peak times cost more

Transaction Complexity

  • Simple transfers: Lower fees
  • Smart contract interactions: Higher fees
  • More data = more cost

Blockchain Type

  • Bitcoin: Moderate, varies with congestion
  • Ethereum: Can be very high (gas fees)
  • Solana, Polygon: Very low

Comparing Network Fees

NetworkTypical Fee
Bitcoin$1-10
Ethereum$2-50+
Solana$0.00025
Polygon$0.01
BNB Chain$0.10

Minimizing Fees

  1. Time your transactions: Avoid peak hours
  2. Use low-fee networks: Solana, Polygon for small transfers
  3. Batch transactions: Combine multiple operations
  4. Use Layer 2 solutions: Lightning Network, Arbitrum

Exchange Withdrawal Fees

Exchanges like Binance and Coinbase often charge withdrawal fees above network costs. Compare before transferring.