It is not completely possible, the best way to secure your client events is to not trust them, see Secure your events - Cfx.re Docs for guide on how to secure your events.
IF you really really need to trust your client events (I can’t imagine such a scenario), then to answer your question there is such a resource, but it is not bulletproof and if the cheater is not a skid, then he will most likely be able to bypass it: [Release][DEV] Server Event Security Tokens - Anticheat - #14 by SaltyGrandpa