A few things to know about Vitalik:
1) Vitalik co-founded Bitcoin Magazine in 2011 and wrote for it.
2) Vitalik has long published in-depth posts on scaling, privacy, and governance on his personal blog.
3) There are many accounts online impersonating Vitalik or other celebrities and offering to “give away crypto.” Any offer to “send a little first and get back more” is a scam.
$ETH is the native cryptocurrency of Ethereum, which Vitalik helped found.