7 December 2025
Ethereum founder Vitalik Buterin sent about $2,6 million worth of crypto coins on Wednesday via Railgun, a tool that keeps transactions on the blockchain private. The money was a mix of ETH and USDC. While it's unclear where the coins went, it appears to be a normal financial transaction — and a quiet signal that Buterin continues to value privacy on the blockchain.
Railgun is a so-called DeFi privacy tool. It allows users to make transactions without others being able to see which wallet address is associated with it. For example, you can invest in DeFi projects without your public wallet address being publicly linked to those transactions.
Buterin has used Railgun before, including in March when he sent $500.000 through the platform. His repeated use shows that he takes privacy seriously. In previous blog posts and forums, he has stated that he believes privacy should be a core feature of Ethereum, not an optional extra.
Although privacy in crypto is increasingly considered important, tools like Railgun are also subject to government oversight. In the past, Tornado Cash, a similar tool, was sanctioned by the US. The government accused the platform of being used to launder more than $1 billion, including by North Korean hackers.
However, that changed in March 2025, when a US judge ruled that the sanctions against Tornado Cash were unjustified and they were lifted.
Railgun is seen as a new generation of privacy tools. It uses zero-knowledge cryptography and smart contracts, but with additional checks to prevent illegal transactions. It not only helps users move money anonymously, but also interact with DeFi projects without exposing their identity.
In February, Buterin praised Railgun for blocking a money laundering attempt, showing that privacy and security can go hand in hand.
Following the news of Buterin's transaction, the value of Railgun's native token (RAIL) increased by 15% in 24 hours.
Buterin’s use of Railgun highlights the growing importance of privacy in the blockchain space, especially for high-profile users. At the same time, tools like Railgun show that privacy and regulation don’t have to be mutually exclusive — as long as smart controls are built in. RAIL’s positive share price reaction suggests that investors have confidence in this new approach, too.
Why did Vitalik Buterin use the Railgun privacy tool?
Vitalik Buterin used Railgun to privately transfer approximately $2,6 million worth of crypto, demonstrating the importance of financial privacy in the Ethereum world.
What makes Railgun different from other privacy tools like Tornado Cash?
Railgun offers privacy in transactions, but also includes security measures to prevent illegal activities. Unlike Tornado Cash, Railgun allows you to interact directly with DeFi platforms without exposing your identity.
What was the effect of Buterin's transaction on Railgun?
Following Buterin’s transaction, the Railgun token (RAIL) saw a 15% increase in value, reflecting investor confidence in the tool and the importance of privacy in crypto.
Bitcoin (BTC)
Ethereum (ETH)
XRP (XRP)
