I am writing to inquire feasible strategies to defeat Transaction Ordering Dependence (TOD) bugs.

I learned from the best practice guideline such that we can use a so-called "pre-committed" scheme to defeat TOD attacks: https://consensys.github.io/smart-contract-best-practices/known_attacks/#front-running-aka-transaction-ordering-dependence

However, it is still unclear to me how does the "pre-committed" scheme is implemented. Could anyone shed some lights or some code fragment of such implementations? Also, besides such "pre-committed" scheme, what else can be done to defeat TOD attacks?

I am writing to inquire feasible strategies to defeat Transaction Ordering Dependence (TOD) bugs.

I learned from the best practice guideline such that we can use a so-called "pre-committed" scheme to defeat TOD attacks: https://consensys.github.io/smart-contract-best-practices/known_attacks/#front-running-aka-transaction-ordering-dependence

However, it is still unclear to me how does the "pre-committed" scheme is implemented. Could anyone shed some lights or some code fragment of such implementations? Also, besides such "pre-committed" scheme, what else can be done to defeat TOD attacks?

======== update ====================

contract TransactionOrdering { 
 uint256 price; address owner; 
                               
 function buy(uint256 amount) {
   cost = price * amount       
   return cost;                
 }                             
                                     
  function setPrice(uint256 _price) {
    // owner can set the price.      
    if (msg.sender == owner)         
      price = _price;                
  }                                  
}                                    

Let's suppose when the contract owner see a transaction of buy from the user, then the owner front runs a setPrice transaction to raise the price. Can the pre-committed pattern be used to defeat such attacks? Thanks a lot.