Vitalik Buterin, co-creator of the world’s second most-valuable blockchain Ethereum, has taken a major hit to his net worth after the price of ether (ETH) dipped below $2,000 earlier on Monday.

As of 3:15 p.m. ET, ETH is trading at $1,938 according to Messari, down by more than 50 percent just five weeks after reaching its all-time-high of $4,338 on May 12. The decline of the second-largest cryptocurrency falls in line with the rest of the market, as crypto prices have fallen across the board since news broke of a renewed clampdown on bitcoin miners in China.

Buterin’s two main ether addresses currently hold 325,001 and 1,366 ETH worth a collective $632,499,246 as of 3:15 p.m. ET. The current value of his holdings is $457,500,754 less than the $1.09 billion it was worth on May 3 at 1:30 p.m. ET, according to Messari, when Buterin became the world’s youngest crypto billionaire at age 27. When ETH’s value first surpassed the $3,000 price level Buterin held 333,520 ETH worth $1.09 billion. Forbes is unable to account for the 7,153 ETH difference between his holdings now versus on May 3.

Ether’s current market capitalization is $223,752,321,616, second only to the original cryptocurrency, Bitcoin with a market capitalization of $606,843,934,844. Ethereum has gained notoriety this year as the birthplace of decentralized finance (DeFi) applications aiming to create decentralized alternatives to traditional financial services. At the time of writing there is $51 billion locked in the DeFi market, according to data aggregator DeFi Pulse.

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