basics
Gas Fee
A fee paid to miners/validators to process a transaction on a blockchain.
Pitfall Alert
The Trap: "Stuck Transactions & Lost ETH"
Beginners often send ETH to a contract address or set gas too low, causing the transaction to stick for days. NEVER transfer all your ETH; always leave some for gas.
Pro Tip: Never ignore this warning. 40% of beginners lose funds here.