their are a lot of tricks and strategies to win a bet in gambling, one of it is the bluff it is an attempt to deceive someone into believing that one can or will do something. with that trick, your opponent will believe the you have the winning cards.
It may not work always with everyone so in gambling all these tricks work only for a short term.
People who believe that tricks or methods work in gambling either newbie to gambling or they are addicted to gambling to earn easy money without doing hard work. For newbies, if you explain then they may understand and limit gambling. But the addicted people never understand the fact of gambling until they lose all their money.
If your opponent is smarter than you then what you will do? Don't think that you're the only smart in gambling.
Although people play tricks in gamboling, but I do not think that tricks can b consider as legal in gambling which can help you or can give you a clue for winning the bitcoin. Otherwise I do not think that there can be any other legal trick which can help us to play win the bet.