Share this article
Crypto Wallet Maker Ledger Loses 1M Email Addresses in Data Theft
An unknown hacker gained access to the wallet maker's marketing database, stealing a million email addresses as well as personal information for 9,000 customers.
By Paddy Baker
Updated Sep 14, 2021, 9:37 a.m. Published Jul 29, 2020, 9:30 a.m.

Ledger said customer details have been stolen in a data breach that may well have been exploited for over two months.
Don't miss another story.Subscribe to the Crypto Daybook Americas Newsletter today. See all newsletters
- In a note to clients Wednesday, CEO Pascal Gauthier said the French hardware wallet provider fell victim to a large-scale data breach from an unauthorized third party.
- The hacker, whose identity remains unknown, gained access to Ledger's e-commerce and marketing database.
- Customers affected include those who signed up for Ledger's newsletter or to receive promotional material.
- Information stolen included email addresses, with a smaller "subset" of 9,500 customers also having their full names, postal addresses and phone numbers exposed.
- In total, the company estimates around one million email addresses have been stolen.
- Payment information, passwords and cryptocurrency funds have not been affected.
- The data breach was first detected as part of a bug bounty program on July 14.
- Ledger estimates the data may have been accessed from April until the end of June.
- A Ledger spokesperson confirmed to CoinDesk the data breach has now been fixed.
- The wallet provider has now alerted the French authorities and is filing a complaint with the public prosecutor.
- Ledger said it has not found customer information disseminated online nor has it received any ransom demands.
See also: Coincheck Customers Fall Victim to Data Breach After Domain Account Error
More For You
Protocol Research: GoPlus Security

What to know:
- As of October 2025, GoPlus has generated $4.7M in total revenue across its product lines. The GoPlus App is the primary revenue driver, contributing $2.5M (approx. 53%), followed by the SafeToken Protocol at $1.7M.
- GoPlus Intelligence's Token Security API averaged 717 million monthly calls year-to-date in 2025 , with a peak of nearly 1 billion calls in February 2025. Total blockchain-level requests, including transaction simulations, averaged an additional 350 million per month.
- Since its January 2025 launch , the $GPS token has registered over $5B in total spot volume and $10B in derivatives volume in 2025. Monthly spot volume peaked in March 2025 at over $1.1B , while derivatives volume peaked the same month at over $4B.
More For You
Coinbase Sees Crypto Recovery Ahead as Liquidity Improves and Fed Rate Cut Odds Climb

The crypto exchange also took note of a so-called AI bubble that continues to go strong and a weaker U.S. dollar.
What to know:
- Coinbase Institutional is seeing a potential December recovery in crypto, citing improving liquidity and a shift in macroeconomic conditions that could favor risk assets like bitcoin.
- The firm's optimism is driven by rising odds of Federal Reserve rate cuts, with markets pricing in a 93% chance easing next week, and improving liquidity conditions.
- Several recent institutional developments, including Vanguard's crypto ETF policy reversal and Bank of America's greenlighting of crypto allocations, have contributed to bitcoin's rebound from recent lows.
Top Stories











