The following strings are designed to prevent scam of advertisement networks:
If you suspect an advertisement network in a scam, you can add a unique SUBID to every click on your referral link. Do not allow to shave clicks with the same SUBIDs. Just use string _clicktime_ as a part or whole SUBID parameter in the long link. This string will be replaced with the actual date and time of the click. For example, "20201214-171954", 15 characters total.
You can make a test click and verify if the SUBID with click time appears in the report of the advertisement network. Thus scams will be easily detected.
If the length of SUBID is limited, then use short mode: _clcktm_. This string will be replaced with 10 characters: day of the month, month, and time, for example, 1412171954.
You can include a number of clicks into SUBID with the string _pageclicks_ . Thus, all SUBID must be numbered with a natural set of numbers. It will be easy to detect missed clicks.
Use string _lang_ in order to include the language of the visitor to SUBID.
Use string _country_ in order to include the country of the visitor to SUBID.