Low cost but effective solutions to gambling addiction is do not deposit

just simply throw away your money in a different wallet or some bank and lock it up. Today digital banks have a feature to lock your money in some period of time and there is a fee when you try to withdraw it early.
In crypto, there is also a staking with time period so throw it and you have no money to do a deposit. if you still want to do gamble just download a game from the app store or google play there is a plenty game out there with fake money you can do slot domino blakjack and lot of it
Do you mean a long term deposit?, that could be an interesting way to invest the gambling money.
Once it's there, it's gone, similar to what would happen in the casino. Except with the term deposit in say 5 years you will get more money instead of zero with the casino.