Breachesby GlyphCoinMarketCap
Disclosed Oct 22, 20213,117,548 accountsUnverified
During October 2021, 3.1 million email addresses with accounts on the cryptocurrency market capitalisation website CoinMarketCap were discovered being traded on hacking forums. Whilst the email addresses were found to correlate with CoinMarketCap accounts, it's unclear precisely how they were obtained. CoinMarketCap has provided the following statement on the data: "CoinMarketCap has become aware that batches of data have shown up online purporting to be a list of user accounts. While the data lists we have seen are only email addresses (no passwords), we have found a correlation with our subs
What is known
| People affected | 3,117,548 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Oct 22, 2021 |
| Happened | Oct 12, 2021 |
| Attack | Hacking |
| Data exposed | Emails |
| Sector | Tech |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.