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Over $3.4 Billion in Ether Permanently Lost Due to User Error, Warns Coinbase Executive

By Mini maNewcomer0 rep· 7/21/2025
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A significant amount of Ether (ETH), estimated at over $3.4 billion, has been permanently lost due to user errors and software bugs, according to Coinbase executive Conor Grogan. This figure represents approximately 0.76% of Ethereum's current circulating supply, highlighting the persistent challenges of digital asset management and the irreversible nature of certain blockchain transactions.

 

Billions in Ether Vanish Due to User Error

Conor Grogan, head of product at Coinbase, recently revealed that 913,111 ETH, valued at over $3.43 billion at current market prices, has been irretrievably lost. This loss is attributed to a combination of user mistakes and system bugs, underscoring the critical need for caution in cryptocurrency transactions.

 

Key Takeaways

  • Over 913,000 ETH, worth more than $3.4 billion, has been permanently lost due to user error and bugs.

  • This amount represents approximately 0.76% of Ethereum's current circulating supply.

  • When including ETH burned via EIP-1559, the total lost Ether reaches around 6.2 million ETH, or 5% of the total supply.

  • The amount of lost Ether due to errors and bugs has surged by 44% since March 2023.

 

Major Incidents Contributing to Lost Ether

The report identifies several significant incidents that have contributed to the substantial loss of Ether. These include:

  • Parity Multisig Bug: A critical vulnerability in the Web3 Foundation's Parity Multisig wallet led to the loss of 306,000 ETH.

  • Quadriga Faulty Contract: Quadriga, a now-defunct cryptocurrency exchange, lost 60,000 ETH due to a flawed smart contract.

  • Akutars Faulty NFT Mint: An error during the minting of Akutars non-fungible tokens (NFTs) resulted in the loss of 11,500 ETH.

Grogan emphasized that the $3.4 billion figure primarily covers instances where Ether is

 

Sources

 

 

This article was created with support from AI-driven technology, drawing on multiple reputable sources. The final content has been thoroughly reviewed and edited by BlockzHub's editorial team to ensure accuracy, clarity, and coherence. Original reporting sources are credited whenever appropriate and as required. The opinions expressed in this article do not necessarily represent the official views or positions of BlockzHub. This article is intended for informational purposes only and should not be considered financial or professional advice. Investing involves risk, and you should consult a qualified financial advisor before making any investment decisions.

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Over $3.4 Billion in Ether Permanently Lost Due to User Error, Warns Coinbase Executive | BlockzHub