HEI

Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

ALEX

Stacks ecosystem DeFi and exchange protocol. HEI records ALEX as a protocol-level DEX entity and consolidates the CoinGecko and DefiLlama candidate rows into one record.

DEXActive
Also known as: ALEX Lab, ALEX Protocol, ALEX DEX, alexlab.co

Registry sequence

Key facts

Launch date
Death date
Years
—–—
Origin
Stacks ecosystem
Confidence
medium
Last verified
2026-05-31

URL handling

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

Summary

Stacks ecosystem DeFi and exchange protocol. HEI records ALEX as a protocol-level DEX entity and consolidates the CoinGecko and DefiLlama candidate rows into one record.

Timeline

ALEX disclosed security incident / exploit context
2024-05-14exploithigh

ALEX is included as an event-backed DEX/protocol record because the protocol has public security-incident history in addition to exchange database references.

Evidence

ALEXofficial_statementhigh reliabilityentityarchive
CoinDesk2024-05-15news_articlemedium reliabilityeventarchive
CoinGecko / DefiLlamadatabase_referencemedium reliabilityentityarchive

Related records

Notes and record state

Record note
Added from verified-unadded rows hei_unadded_0052 and hei_unadded_0053 as one entity. ALEX has event history beyond a thin database listing and should be improved later with stronger incident-specific sources.
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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