The current Vitalik Buterin net worth in 2021 is approximately $1.46 billion.
Vitalik Buterin is the creator and co-founder of Ethereum and became the youngest crypto billionaire ever at 27 years old as the Ether token (ETH) price was near $3,300 on May 3, 2021. 
According to a crypto wallet address disclosed by Vitalik Buterin in October 2018, he held over a billion dollars in ETH in this one location. He has since moved most of it leaving only $310,000 approximately in that wallet.
Buterin is the fourth youngest self-made billionaire ever at 27, behind only Kylie Jenner at 22, Mark Zuckerberg at 23, and Austin Russell at 25.
ETH is now the second-largest cryptocurrency by market cap near $405 billion.