HEI

Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

Blockchain.com

Crypto wallet and exchange/trading platform represented by CoinGecko and CCXT source rows. HEI treats Blockchain.com and blockchaincom rows as one exchange entity for v0, while leaving Blockchain.io as a separate unconsumed candidate.

CEXActive
Also known as: blockchaincom, blockchain.com

Registry sequence

Key facts

Launch date
Death date
Years
—–—
Origin
Confidence
medium
Last verified
2026-06-03

URL handling

Preferred action
Use current URL handling based on status below.
URL status
Live verified
Archived URL

Summary

Crypto wallet and exchange/trading platform represented by CoinGecko and CCXT source rows. HEI treats Blockchain.com and blockchaincom rows as one exchange entity for v0, while leaving Blockchain.io as a separate unconsumed candidate.

Timeline

Blockchain.com recorded as exchange entity
2026-06-03listed_referencelow

Blockchain.com is recorded as an exchange/trading-platform entity, with Blockchain.com and blockchaincom candidate rows consolidated into one HEI record.

Evidence

Blockchain.comofficial_statementhigh reliabilityentityarchive
CoinGeckodatabase_referencemedium reliabilityentityarchive
CCXTdatabase_referencemedium reliabilityentityarchive

Notes and record state

Record note
Added from verified-unadded rows hei_unadded_0364 and hei_unadded_0366 as one entity. Blockchain.io / hei_unadded_0365 is not consumed here.
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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