What should I say to welcome?

When it comes to welcoming someone into the world of cryptocurrency and finance, it's important to approach them with openness and curiosity. You might begin by asking them if they've heard of cryptocurrency before, and if so, what their thoughts are on it. From there, you can explain the basics of how it works and the potential benefits it offers, such as increased security and faster transactions. It's also crucial to emphasize that cryptocurrency and finance can be complex and unpredictable, so it's important to approach investments with caution and do thorough research. You might ask them if they have any specific questions or concerns, and be prepared to address them in a clear and concise manner. Ultimately, the key is to make the person feel comfortable and informed, and to encourage them to ask questions and seek out more information on their own. With that in mind, you might say something like, "Hi there! Have you ever heard of cryptocurrency before? It's a fascinating world, and I'd be happy to help you learn more about it. Do you have any questions or concerns I can help address?