Exploiters problem

[west harbor]

Exploiters can give/delete cash by using remote event,i do checks,how you guys think,here is problem?
1 screen local script
2 script serverscript

Which checks i should do?

[icy dove]

just make it a server script

dont need no client nor remote event for adding cash

[tepid ravine]

maybe is like getting money from a bank, so the client need to write on a textbox

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