ok I understand so futures are created to lose or? what role do they have?!!!!

how to make the liquidation price zero?
Let me tell you about futures trading, in futures trading you can lose all your money due to liquidation, no matter how good your analyst is, it is not always 100%, there is still a chance that your analyst could be wrong, so your first goal is how to avoid liquidation, there is a trick to make the liquidation 0, oh yes, this only works for long positions, short positions cannot have a liquidation price of 0
$GALA $OM