HEI

Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

CoinFLEX

Cryptocurrency exchange that halted withdrawals in June 2022 during a liquidity dispute involving a large counterparty. CoinFLEX later became linked to the Open Exchange / OPNX transition, with OPNX positioned as a new venue connected to CoinFLEX leadership and creditor recovery plans. HEI treats CoinFLEX as a rebranded / superseded exchange identity with OPNX as the successor record, while retaining the 2022 withdrawal halt as the critical failure event.

CEXRebrandedRebrand
Also known as: Coinflex, CoinFLEX Exchange, coinflex.com

Registry sequence

Key facts

Launch date
2019-01-01
Death date
2023-02-15
Years
2019–2023
Origin
Seychelles
Confidence
medium
Last verified
2026-05-16

URL handling

Preferred action
Use current URL handling based on status below.
URL status
dead or redirected
Original URL
https://coinflex.com/
Archived URL

Summary

Cryptocurrency exchange that halted withdrawals in June 2022 during a liquidity dispute involving a large counterparty. CoinFLEX later became linked to the Open Exchange / OPNX transition, with OPNX positioned as a new venue connected to CoinFLEX leadership and creditor recovery plans. HEI treats CoinFLEX as a rebranded / superseded exchange identity with OPNX as the successor record, while retaining the 2022 withdrawal halt as the critical failure event.

Timeline

CoinFLEX operating era began
2019-01-01launchedmedium

CoinFLEX operated as a centralized cryptocurrency exchange before its 2022 liquidity crisis and later OPNX-linked transition.

CoinFLEX halted withdrawals
2022-06-23withdrawals_haltedcritical

CoinFLEX suspended customer withdrawals during a liquidity dispute involving a large counterparty later identified by CoinFLEX leadership as Roger Ver.

CoinFLEX became linked to OPNX successor path
2023-02-15rebrandedhigh

Open Exchange / OPNX emerged as a new exchange venue connected to CoinFLEX leadership and creditor recovery plans. HEI links CoinFLEX to the existing OPNX successor record.

Evidence

CoinMarketCap2026-05-16database_referencemedium reliabilityentityarchive
Wikipedia2026-05-16database_referencelow reliabilityentityarchive
Axios2022-06-28news_articlehigh reliabilitystatusarchive
Wikipedia2026-05-16database_referencelow reliabilitydeath_datearchive
Wikipedia2026-05-16database_referencelow reliabilitydeath_reasonarchive
Axios2023-02-15news_articlemedium reliabilitysuccessorarchive

Related records

Notes and record state

Record note
CoinFLEX is added as a predecessor / superseded identity linked to existing OPNX record. Confidence is medium because public reporting supports the continuity, but the transition is not a simple clean exchange-name rebrand.
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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