Historical Exchange IndexA quiet registry of crypto exchanges, active and gone.

Registry analytics

Stats

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 2026-07-31T08:45:18.252ZSnapshot / trend / coverageEntity-level view onlyDeployment split deferred
Total entities
959
entity-level registry count
Dead-side
217
dead · merged · acquired · rebranded
Active-side
742
active · limited · inactive
Total events
1015
timeline records in canonical data
Total evidence
3689
supporting evidence records
Archive coverage
94%
entities with archived URLs
High confidence
55%
entities marked high confidence
Origin known
100%
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
630 · 66%
Limited
63 · 7%
Inactive
49 · 5%
Dead
181 · 19%
Merged
0 · 0%
Acquired
14 · 1%
Rebranded
22 · 2%
Unknown
0 · 0%

Type breakdown

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

CEX449 · 47%
DEX483 · 50%
Hybrid27 · 3%

Active analysis

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

Active-side total
742
active · limited · inactive
Active-side archive coverage
92
685 / 742 active-side
Active-side high confidence
55
share of active-side
Active entries with launch year
257
dated active-side entries

Active-side status mix

Active630 · 85%
Limited63 · 8%
Inactive49 · 7%

URL status

Live verified598 · 81%
Live unverified43 · 6%
Redirected7 · 1%
Repurposed6 · 1%
Dead domain6 · 1%
Unknown82 · 11%

Launch year

7
2015
8
2016
24
2017
48
2018
16
2019
15
2020
28
2021
12
2022
23
2023
9
2024
9
2025
1
2026

Age bands

0–2 years19 · 3%
3–5 years63 · 8%
6–9 years103 · 14%
10+ years72 · 10%
Unknown485 · 65%

Type mix

CEX255 · 34%
DEX463 · 62%
Hybrid24 · 3%

Confidence

High405 · 55%
Medium329 · 44%
Low8 · 1%

Evidence depth

2–4 sources571 · 77%
5+ sources171 · 23%

Last verified recency

0–30 days493 · 66%
31–90 days242 · 33%
91–180 days7 · 1%

Dead analysis

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

Dead-side total
217
dead · merged · acquired · rebranded
Dead-side archive coverage
100%
dead-side entities with archived URLs
Average lifespan
3.7
years where launch and death dates are both known
Dead-side with 2+ evidence
100%
216 / 217 dead-side

Dead-side status mix

Dead181 · 83%
Acquired14 · 6%
Rebranded22 · 10%

Death reason breakdown

Hack
16 · 7%
Insolvency
15 · 7%
Regulation
34 · 16%
Scam / Rug
10 · 5%
Acquisition
14 · 6%
Rebrand
23 · 11%
Voluntary shutdown
59 · 27%
Chain failure
1 · 0%
Unknown
45 · 21%

Death year distribution

12
2015
7
2016
7
2017
9
2018
29
2019
24
2020
32
2021
15
2022
24
2023
20
2024
11
2025
10
2026

Evidence depth

1 source1 · 0%
2–4 sources109 · 50%
5+ sources107 · 49%

Quality & coverage

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

Confidence

High526 · 55%
Medium422 · 44%
Low11 · 1%

URL status coverage

Live verified
611 · 64%
Live unverified
51 · 5%
Redirected
19 · 2%
Repurposed
26 · 3%
Dead domain
112 · 12%
Unsafe
1 · 0%
Unknown
139 · 14%

Archive / date / domain coverage

MetricValueNote
Archive coverage94%902 / 959 entities
Dead-side archive coverage100%217 / 217 dead-side
Active-side archive coverage92%685 / 742 active-side
High-confidence share55%526 / 959 entities
Launch date known47%446 / 959 entities
Death date known100%216 / 217 dead-side
Origin known100%959 / 959 entities
Original domain known94%902 / 959 entities

Unknown-field rates

MetricValueNote
Missing launch date51353% of entities
Dead-side missing death date10% of dead-side
Missing origin00% of entities
Missing original domain576% of entities

Record freshness

0–30 days506 · 53%
31–90 days335 · 35%
91–180 days118 · 12%

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
959
Events in snapshot
1015
Evidence in snapshot
3689
Snapshot archive coverage
94%
archive coverage in current snapshot

Launch year distribution

14
2015
17
2016
52
2017
77
2018
43
2019
26
2020
32
2021
13
2022
28
2023
11
2024
10
2025
1
2026

Death year distribution

12
2015
7
2016
7
2017
9
2018
29
2019
24
2020
32
2021
15
2022
24
2023
20
2024
11
2025
10
2026

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.

Expand

Strict country

Singapore
32 · 7%
Seychelles
26 · 6%
United Kingdom
25 · 6%
United States
24 · 5%
South Korea
16 · 4%
Australia
15 · 3%
Canada
15 · 3%
India
15 · 3%

Origin bucket

Ethereum ecosystem
478 · 92%
Global
44 · 8%

Country / origin × status

OriginTotalDead-sideActive-side
Ethereum ecosystem47818460
Global44737
Singapore321616
Seychelles26917
United Kingdom25169
United States24159
South Korea1679
Australia15411

Country / origin × type

OriginTotalCEXDEXHybrid
Ethereum ecosystem478246115
Global443086
Singapore323011
Seychelles262402
United Kingdom252500
United States242301
South Korea161600
Australia151311

Country / origin completeness

MetricValueNote
Origin present959100% of entities
Strict-country entries43746% of entities
Bucketed origin entries52254% of entities
Missing origin00% of entities

Event internals

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

Expand
Average events per entity
1.1
Average events per dead-side entity
2.3
Average events per active-side entity
0.7

Event type breakdown

Launched
331 · 33%
Rebranded
46 · 5%
Acquired
30 · 3%
Hack
52 · 5%
Exploit
17 · 2%
Withdrawal Suspended
31 · 3%
Deposit Suspended
1 · 0%
Trading Halted
19 · 2%
Service Outage
22 · 2%
Regulatory Action
85 · 8%

Impact level

Critical303 · 30%
High324 · 32%
Medium352 · 35%
Low36 · 4%

Status effect

Dead223 · 22%
Inactive31 · 3%
Limited221 · 22%
Active505 · 50%
No change18 · 2%

Evidence internals

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

Expand
Average evidence per entity
3.8
Average evidence per dead-side entity
5.1
Average evidence per active-side entity
3.5
Archived evidence share
89%
3273 / 3689 evidence items

Source type breakdown

Official statement
1406 · 38%
Official blog
222 · 6%
Official social
36 · 1%
Archive capture
178 · 5%
News article
642 · 17%
Court document
9 · 0%
Regulatory notice
95 · 3%
Database reference
1048 · 28%
Community reference
50 · 1%
Other
3 · 0%

Reliability

High1798 · 49%
Medium1842 · 50%
Low49 · 1%

Claim scope

Entity
1120 · 30%
Event
776 · 21%
Status
1062 · 29%
Death reason
52 · 1%
Launch date
381 · 10%
Death date
64 · 2%
URL history
194 · 5%
Ownership
40 · 1%

Record completeness

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

Expand
MetricValueNote
Aliases present76%726 / 959 entities
Notes present100%957 / 959 entities
Summary present100%959 / 959 entities
Archived URL present94%902 / 959 entities
Dead-side with 2+ evidence100%216 / 217 dead-side
Entities with 0 evidence0%0% of entities
Entities with 1 evidence0%0% of entities