HEI

Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

Stats

Registry snapshot, coverage, and historical distributions

Snapshot counts, active-side and dead-side analysis, archive coverage, confidence, and historical distributions across the canonical HEI registry.

Last updated 2026-04-18T16:11:34.743ZSnapshot / trend / coverageEntity-level view onlyDeployment split deferred
Total entities
177
entity-level registry count
Dead-side
74
dead · merged · acquired · rebranded
Active-side
103
active · limited · inactive
Total events
124
timeline records in canonical data
Total evidence
334
supporting evidence records
Archive coverage
100%
entities with archived URLs
High confidence
25%
entities marked high confidence
Origin known
99%
entities with country / origin data

Core analysis

Primary registry structure, active/dead composition, quality, and historical distributions.

Status breakdown

Whole-registry distribution across active-side, dead-side, and uncertain end states.

Active
101 · 57%
Limited
1 · 1%
Inactive
1 · 1%
Dead
66 · 37%
Merged
0 · 0%
Acquired
5 · 3%
Rebranded
3 · 2%
Unknown
0 · 0%

Type breakdown

Entity mix across centralized, decentralized, and hybrid exchange records.

CEX170 · 96%
DEX6 · 3%
Hybrid1 · 1%

Active analysis

Current classification, URL handling, launch timing, and evidence density on the active-side.

Active-side total
103
active · limited · inactive
Active-side archive coverage
100
103 / 103 active-side
Active-side high confidence
23
share of active-side
Active entries with launch year
103
dated active-side entries

Active-side status mix

Active101 · 98%
Limited1 · 1%
Inactive1 · 1%

URL status

Live verified7 · 7%
Live unverified95 · 92%
Dead domain1 · 1%

Launch year

12
2013
18
2014
7
2015
2
2016
9
2017
27
2018
6
2019
3
2020
8
2021
4
2022
2
2023
1
2024

Age bands

0–2 years1 · 1%
3–5 years14 · 14%
6–9 years45 · 44%
10+ years43 · 42%

Type mix

CEX99 · 96%
DEX4 · 4%

Confidence

High24 · 23%
Medium3 · 3%
Low76 · 74%

Evidence depth

1 source95 · 92%
2–4 sources7 · 7%
5+ sources1 · 1%

Last verified recency

0–30 days103 · 100%

Dead analysis

Dead-side outcomes, end-state causes, archived coverage, and measured lifespan.

Dead-side total
74
dead · merged · acquired · rebranded
Dead-side archive coverage
100%
dead-side entities with archived URLs
Average lifespan
3.9
years where launch and death dates are both known
Dead-side with 2+ evidence
99%
73 / 74 dead-side

Dead-side status mix

Dead66 · 89%
Acquired5 · 7%
Rebranded3 · 4%

Death reason breakdown

Hack
8 · 11%
Insolvency
8 · 11%
Regulation
10 · 14%
Scam / Rug
3 · 4%
Acquisition
5 · 7%
Rebrand
3 · 4%
Voluntary shutdown
14 · 19%
Unknown
23 · 31%

Death year distribution

4
2014
2
2015
6
2016
4
2017
5
2018
18
2019
6
2020
8
2021
2
2022
9
2023
3
2024
3
2025

Evidence depth

1 source1 · 1%
2–4 sources72 · 97%
5+ sources1 · 1%

Quality & coverage

Confidence, URL handling, archive/date/domain coverage, and visible unknown-field rates.

Confidence

High45 · 25%
Medium52 · 29%
Low80 · 45%

URL status coverage

Live verified
9 · 5%
Live unverified
95 · 54%
Redirected
1 · 1%
Repurposed
3 · 2%
Dead domain
55 · 31%
Unsafe
0 · 0%
Unknown
13 · 7%

Archive / date / domain coverage

MetricValueNote
Archive coverage100%177 / 177 entities
Dead-side archive coverage100%74 / 74 dead-side
Active-side archive coverage100%103 / 103 active-side
High-confidence share25%45 / 177 entities
Launch date known86%152 / 177 entities
Death date known99%73 / 74 dead-side
Origin known99%175 / 177 entities
Original domain known100%177 / 177 entities

Unknown-field rates

MetricValueNote
Missing launch date2514% of entities
Dead-side missing death date11% of dead-side
Missing origin21% of entities
Missing original domain00% of entities

Record freshness

0–30 days177 · 100%

Registry timelines & distributions

Snapshot growth when available, plus launch-year and death-year distributions.

Snapshot history currently contains a single generated snapshot. Until multi-snapshot history is available, this section emphasizes current snapshot metrics and historical distributions.
Entities in snapshot
177
Events in snapshot
124
Evidence in snapshot
334
Snapshot archive coverage
100%
archive coverage in current snapshot

Launch year distribution

18
2013
28
2014
9
2015
3
2016
16
2017
31
2018
12
2019
4
2020
8
2021
4
2022
3
2023
1
2024

Death year distribution

4
2014
2
2015
6
2016
4
2017
5
2018
18
2019
6
2020
8
2021
2
2022
9
2023
3
2024
3
2025

Deep breakdowns

Lower-priority drilldowns. These remain available without competing with the core analysis layer.

Country / origin

Strict-country counts are separated from bucketed origin values such as Global or ecosystem-level origins.

Show section

Strict country

Singapore
17 · 11%
United States
13 · 8%
Seychelles
12 · 8%
Canada
11 · 7%
United Kingdom
9 · 6%
Poland
8 · 5%
Australia
6 · 4%
South Korea
6 · 4%

Origin bucket

Global
14 · 70%
Ethereum ecosystem
4 · 20%
Unknown
2 · 10%

Country / origin × status

OriginTotalDead-sideActive-side
Singapore17116
Global14113
United States1376
Seychelles12210
Canada1174
United Kingdom954
Poland871
Australia615

Country / origin × type

OriginTotalCEXDEXHybrid
Singapore171700
Global141400
United States131300
Seychelles121200
Canada111100
United Kingdom9900
Poland8800
Australia6600

Country / origin completeness

MetricValueNote
Origin present17599% of entities
Strict-country entries15789% of entities
Bucketed origin entries2011% of entities
Missing origin21% of entities

Event internals

Event type mix, impact severity, and status-effect composition from recorded timeline events.

Show section
Average events per entity
0.7
Average events per dead-side entity
1.4
Average events per active-side entity
0.2

Event type breakdown

Launched
17 · 14%
Rebranded
2 · 2%
Acquired
5 · 4%
Hack
2 · 2%
Withdrawal Suspended
1 · 1%
Service Outage
15 · 12%
Regulatory Action
7 · 6%
Bankruptcy Filed
2 · 2%
Insolvency Declared
4 · 3%
Shutdown Announced
4 · 3%

Impact level

Critical53 · 43%
High57 · 46%
Medium14 · 11%

Status effect

Dead66 · 53%
Inactive1 · 1%
Limited27 · 22%
Active22 · 18%
No change5 · 4%

Evidence internals

Evidence source mix, reliability, claim scopes, and archived-share summary from the support layer.

Show section
Average evidence per entity
1.9
Average evidence per dead-side entity
2.9
Average evidence per active-side entity
1.2
Archived evidence share
100%
334 / 334 evidence items

Source type breakdown

Official statement
117 · 35%
Official blog
22 · 7%
Archive capture
65 · 19%
News article
97 · 29%
Court document
3 · 1%
Regulatory notice
8 · 2%
Database reference
4 · 1%
Community reference
2 · 1%

Reliability

High59 · 18%
Medium275 · 82%

Claim scope

Entity
105 · 31%
Event
70 · 21%
Status
53 · 16%
Death reason
14 · 4%
Launch date
7 · 2%
Death date
10 · 3%
URL history
66 · 20%
Ownership
6 · 2%

Record completeness

Alias, notes, summary, archive, and evidence-depth coverage at the entity layer.

Show section
MetricValueNote
Aliases present13%23 / 177 entities
Notes present50%89 / 177 entities
Summary present100%177 / 177 entities
Archived URL present100%177 / 177 entities
Dead-side with 2+ evidence99%73 / 74 dead-side
Entities with 0 evidence0%0% of entities
Entities with 1 evidence54%54% of entities