HEI

Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

9mm

Decentralized exchange candidate identified in the HEI verified-unadded backlog from CoinPaprika, CoinGecko, and DefiLlama source data and currently treated as an active DEX record.

DEXActive
Also known as: 9mm DEX, 9mm V2, 9mm V3, 9mm V3 (PulseChain), dex.9mm.pro

Registry sequence

Key facts

Launch date
Death date
Years
—–—
Origin
PulseChain / Base / Sonic ecosystem
Confidence
low
Last verified
2026-05-30

URL handling

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

Summary

Decentralized exchange candidate identified in the HEI verified-unadded backlog from CoinPaprika, CoinGecko, and DefiLlama source data and currently treated as an active DEX record.

Timeline

9mm present in exchange and DEX source data
2026-05-30listed_referencelow

9mm appeared in the verified-unadded candidate generator from CoinPaprika, CoinGecko, and DefiLlama source data as an exchange-like DEX candidate not found in current HEI records.

Evidence

CoinPaprikadatabase_referencemedium reliabilityentityarchive
DefiLlamadatabase_referencemedium reliabilityentityarchive
CoinGeckodatabase_referencemedium reliabilityentityarchive

Related records

Notes and record state

Record note
Added from verified-unadded backlog rows hei_unadded_0020 through hei_unadded_0023. Source evidence is limited to CoinPaprika, CoinGecko, and DefiLlama database references, so this record should be improved later if stronger official-history evidence is found. File slug is normalized as nine-mm while preserving 9mm as canonical_name.
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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