Absolutely. For a first project you should consider not doing online multiplayer because besides the security concerns and added complexity they can also cost more money to maintain (server hosting etc.). When you feel comfortable scaling up to a bigger project I strongly recommend jumping into c++ and avoiding blueprint completely. Blueprint is a prototyping system with its own problems, it does not scale. If you do make a large project in blueprints and decide to translate it to c++ later, it will very much feel like starting over entirely.
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