• Dapps:16.23K
  • Blockchains:78
  • Active users:66.47M
  • 30d volume:$303.26B
  • 30d transactions:$879.24M

Over 7 Million OpenSea Email Addresses Exposed

user avatar

by Giorgi Kostiuk

a year ago


In 2022, OpenSea was rocked by a massive data breach affecting millions of users. Now, with over 7 million email addresses publicly accessible, users are at significant risk of phishing attacks.

Timeline of the OpenSea Data Leak

In June 2022, during OpenSea's peak success, an employee of their email vendor, Customer.io, exploited their access to extract and share OpenSea users' email addresses with a third party. This breach affected both regular users and prominent figures in the crypto industry.

Dangers of Phishing Attacks

As confirmed by cybersecurity expert 23pds, these email addresses are now widely accessible, making their owners prime targets for phishing attacks. These attacks pose financial and reputational threats, often mimicking communications from trusted entities like OpenSea.

Security Recommendations

Experts strongly advise users whose email addresses were compromised to enhance their security measures by creating strong, unique passwords and using password managers. Two-factor authentication via apps is also crucial.

This incident serves as a reminder of the importance of data protection in the crypto realm. The OpenSea case highlights the need for heightened security awareness at all levels of a platform's operation, including third-party services.

0

Rewards

chest
chest
chest
chest

More rewards

Discover enhanced rewards on our social media.

chest

Other news

Polymarket's Legal Battle Continues as Case is Remanded to State Court

chest

The federal court has sent the case against Polymarket back to state court, rejecting its jurisdiction arguments.

user avatarKofi Adjeman

Kalshi Faces Legal Setback as Federal Judge Remands Case to State Court

chest

Kalshi is facing a potential restraining order in Nevada as a federal judge remands the case to state court, allowing regulators to seek an injunction against the exchange.

user avatarNguyen Van Long

XRP Price Experiences a Decline After Struggling to Break Through Major Resistance.

chest

XRP price has started a downside correction after failing to hold above the 1420 level, with current support at 13550.

user avatarSatoshi Nakamura

DiceyHQ's Beta Phase Attracts Heavy Betting Volume

chest

DiceyHQ's closed beta attracted around 200 users who placed approximately $15 million in wagers, prompting a strategic shift towards betting products.

user avatarRajesh Kumar

Magic Eden Scales Back Operations, Focuses on Solana

chest

Magic Eden is scaling back its services, focusing solely on Solana as it winds down support for EVM and Bitcoin products.

user avatarFilippo Romano

Hyperliquid Emerges as a Major Player in Crypto Derivatives

chest

Hyperliquid has emerged as a leading decentralized exchange, surpassing Coinbase International's derivatives volume in 2025.

user avatarLucas Weissmann

Important disclaimer: The information presented on the Dapp.Expert portal is intended solely for informational purposes and does not constitute an investment recommendation or a guide to action in the field of cryptocurrencies. The Dapp.Expert team is not responsible for any potential losses or missed profits associated with the use of materials published on the site. Before making investment decisions in cryptocurrencies, we recommend consulting a qualified financial advisor.