Conor Grogan Reports $3.4 Billion in Lost Ethereum
- Major event includes notable ETH losses; key insights revealed.
- Grogan highlights >$3.4 billion ETH locked.
- Impact spans user error, bugs, protocol oversight.

Coinbase’s Conor Grogan revealed that more than $3.4 billion worth of Ethereum is permanently lost due to user errors and smart contract bugs, affecting at least 913,111 ETH.
Grogan’s findings indicate a significant decrease in supply, emphasizing the cryptocurrency’s inherent risk associated with user error, protocol oversights, and smart contract flaws.
“Based on my research, a minimum of 913,111 Ethereum is lost forever due to user error. This is 0.76%+ of ETH supply, or $3.43 billion in lost funds.” – Conor Grogan, Head of Product, Coinbase
Conor Grogan, Coinbase’s Head of Product, compiled data on losses totaling over $3.4 billion in Ethereum, identifying permanent inaccessibility due to user errors and bugs. His research was based on public records and smart contract audits.
Over 913,000 ETH are irrevocably lost due to incidents such as the Parity multisig contract bug and QuadrigaCX’s collapse. Ethereum’s circulating supply is impacted, but market reactions remain mixed. The report underlines the necessity for improved user error safeguarding.
The situation prompted discussions about protocol improvements. Insights into this recurring problem could push developers to design more robust systems. Commentary on GitHub and community channels continues, seeking technical solutions for these issues. Ethereum developers discuss safeguarding strategies to prevent future losses.