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Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

Zaif

Japan-based centralized cryptocurrency exchange launched in 2014, affected by a major unauthorized outflow disclosed in September 2018, and transferred from Tech Bureau to Fisco Cryptocurrency Exchange in November 2018 before continuing under the Zaif brand.

CEXActive

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Key facts

Launch date
2014-01-01
Death date
—
Years
2014–—
Origin
Japan
Confidence
high
Last verified
2026-06-25

URL handling

Preferred action
Use current URL handling based on status below.
URL status
Live verified
Original URL
https://zaif.jp/
Archived URL
View archived site

Summary

Japan-based centralized cryptocurrency exchange launched in 2014, affected by a major unauthorized outflow disclosed in September 2018, and transferred from Tech Bureau to Fisco Cryptocurrency Exchange in November 2018 before continuing under the Zaif brand.

Timeline

Zaif disclosed a major unauthorized cryptocurrency outflow
2018-09-20hackcritical

Tech Bureau disclosed that cryptocurrency held for the Zaif service had been unlawfully transferred following external unauthorized access, with later Zaif materials describing losses of roughly 7 billion yen in BTC, MONA, and BCH.

Zaif business transferred from Tech Bureau to Fisco Cryptocurrency Exchange
2018-11-22otherhigh

The Zaif Exchange and Zaif Instant Exchange businesses were transferred from Tech Bureau to Fisco Cryptocurrency Exchange effective November 22, 2018 as part of the post-incident restructuring and customer-compensation process.

Evidence

Zaif official site snapshot
Zaif2026-04-07official_statementmedium reliabilityentityarchive
Completion of Zaif business succession procedures
Zaif—official_statementhigh reliabilityeventarchive
Unauthorized outflow at an association member
Japan Virtual and Crypto Assets Exchange Association2018-09-20regulatory_noticehigh reliabilityeventarchive
Request for customer consent to transfer of liabilities and contract
Zaif—official_statementhigh reliabilityeventarchive
Completion of Zaif business succession procedures
Zaif—official_statementhigh reliabilityeventarchive
Zaif official exchange
Zaif—official_statementhigh reliabilitystatusarchive

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Notes and record state

Record note
The 2018 security incident and subsequent business transfer are recorded as continuity events rather than a terminal shutdown. Current official and industry-association sources confirm that the Zaif service remains active under Zaif Inc.
Revision state
Records may be incomplete, approximate, contested, or revised as better evidence becomes available.
This record may be incomplete or revised. Dead-side entries prefer archived URLs over original domains. Dates, causes, and classifications may change when stronger evidence becomes available. Contact / corrections

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