$3.4B in ETH Lost Forever Due to User Errors

$3.4B in ETH Lost Forever Due to User Errors
This article was prepared using automated systems that process publicly available information. It may contain inaccuracies or omissions and is provided for informational purposes only. Nothing herein constitutes financial, investment, legal, or tax advice.

A staggering $3.43 billion worth of Ethereum (ETH) has been permanently lost due to user errors, according to Coinbase’s Conor Grogan. The losses stem from irretrievable addresses, smart contract flaws, and wallet mismanagement, with actual figures likely much higher.

  • Over 5% of Ethereum’s total supply ($23.42B) has been permanently destroyed, including burned ETH and lost tokens.
  • Major incidents include the Parity wallet bug (306,000 ETH lost) and QuadrigaCX’s 60,000 ETH smart contract lock.
  • Ethereum accounted for 175 hack incidents in 2025, with $1.63B stolen, primarily due to DeFi’s high liquidity.
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