#CryptoFees101 Miner fee $1 – $20 Higher during peak demand

Solana (SOL) Fee per txn < $0.01 Extremely cheap and fast

Polygon (MATIC) Gas fee ~$0.001 Great for low-cost DeFi

Arbitrum/Optimism L2 Gas fee ~$0.05 – $0.30 Cheaper than Ethereum L1

🔹 2. Exchange Fees

When you buy/sell/trade crypto on a centralized exchange (like Binance, Coinbase, or Kraken), they charge fees like:

Trading Fees: Typically 0.1% – 0.5% per trade

Spread Fees: Hidden fees where the platform marks up the price

Withdrawal Fees: Charged when moving crypto off the exchange

Exchange Trading Fee Withdrawal Fee Example

Binance 0.1% 0.0005 BTC

Coinbase ~0.6% (retail) ~$1–$20 depending on coin

Kraken 0.16% / 0.26% Varies by asset

🔹 3. Protocol Fees

When you use decentralized apps (dApps) like Uniswap, Aave, or Curve:

Swap fees: Usually 0.3% per trade (e.g., Uniswap)

Borrow/Lend fees: Vary by protocol and demand

Gas fees: Still required to interact with the smart contracts$BTC