You own the server. Crackers would have to reverse-engineer your web API call (harder than cracking a local license file). You can change the verification logic server-side without updating the client.
Lightweight and very easy to integrate into build pipelines. 4. VMProtect (Lite/Free Versions) enigma protector alternative free
In the end, Alex realized there is no single "Magic Button" that is free and equals Enigma. He adopted a strategy that many indie developers use today: You own the server