HEI

Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

Youbit

South Korean cryptocurrency exchange formerly known as Yapizon that shut down and filed for bankruptcy after a second major hack in December 2017.

CEXDeadHack
Also known as: Yapizon, Youbit Exchange, YaPiZone

Registry sequence

Key facts

Launch date
2013-01-01
Death date
2017-12-19
Years
2013–2017
Origin
South Korea
Confidence
high
Last verified
2026-05-23

URL handling

Preferred action
Use current URL handling based on status below.
URL status
Unknown
Original URL
https://www.youbit.co.kr/
Archived URL

Summary

South Korean cryptocurrency exchange formerly known as Yapizon that shut down and filed for bankruptcy after a second major hack in December 2017.

Timeline

Yapizon / Youbit operated in South Korea
2013-01-01launchedmedium

Youbit operated as a South Korean cryptocurrency exchange and was previously known as Yapizon.

Yapizon hack before rebrand
2017-04-22hackhigh

The exchange, then known as Yapizon, suffered a hack in 2017 before later rebranding to Youbit.

Youbit halted trading and filed for bankruptcy
2017-12-19shutdown_effectivehigh

Youbit stopped trading and entered bankruptcy proceedings after disclosing a second 2017 hack that reduced customer balances.

Closed and filed for bankruptcy after second hack
2017-12-19bankruptcy_filedcritical

Youbit announced it would close and file for bankruptcy after a second cyberattack caused another major asset loss.

Evidence

Business Standard / Reuters2017-12-19news_articlemedium reliabilityeventarchive
Wikipediadatabase_referencelow reliabilityentityarchive
CoinDesk2017-04-27news_articlemedium reliabilityeventarchive
BBC News2017-12-19news_articlehigh reliabilityeventarchive
Internet Archivearchive_capturemedium reliabilityurl_historyarchive

Related records

Notes and record state

Record note
Alias handling preserves the earlier Yapizon identity without treating it as a separate HEI entity. The retained death marker follows same-day shutdown and bankruptcy reporting after the second 2017 hack.
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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