Web 3 is the result of web2 development, web 3 is a technology not simply a project or a website so it is not a scam. Like we are talking about 2G, 3G network technology and today we have 4G and 5G network. it's a concept of a newer technology. Today there are many projects in the field of web3 but not all projects are good, so when investing, you need to be careful, you should study and analyze it clearly.