Ever sent crypto and got hit with a surprise "gas fee"? Here's what it actually is.
Think of it like postage — you pay the network a small amount to process your transaction. It's not a company charging you; it goes to the people running the network.
And it changes: when the network's busy, fees rise (like surge pricing); when it's quiet, they drop. That's why the same action can cost pennies one day and a lot more the next.
Broke it all down in my latest guide — link in my profile. $ETH