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Breach registry

Ethereum Data Breach

ethereum.org

What was exposed, when it happened, and which databases confirm it.

Verified
accounts
16,431
Breached
December 16, 2016
Last Update
December 20, 2016

Were you caught in this breach?

Search your email, phone number or username against every record CheckLeaked indexes.

Your address never leaves this page: it is hashed in your browser and only a short fragment of that hash is sent.

What happened

In December 2016, the forum for the public blockchain-based distributed computing platform Ethereum suffered a data breach. The database contained over 16k unique email addresses along with IP addresses, private forum messages and (mostly) bcrypt hashed passwords. Ethereum elected to self-submit the data to HIBP, providing the service with a list of email addresses impacted by the incident.

Compromised Info

  • Email addresses
  • IP addresses
  • Passwords
  • Private messages
  • Usernames
  • Website activity

Attestation

Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.

HIBP16,431
DEHASHED16,431
LEAKCHECKnot attested
VIGILANTEnot attested

Sources & Link Methods

  • HIBP

FAQ

What was leaked in the Ethereum breach?

The Ethereum breach exposed: Email addresses, IP addresses, Passwords, Private messages, Usernames, and Website activity.

When did the Ethereum breach happen?

The Ethereum breach was disclosed on December 16, 2016 and affected 16,431 records.

Am I affected by the Ethereum breach?

Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Ethereum leak.

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