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Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

Barter

Non-custodial decentralized swap-routing and distributed-liquidity protocol whose Superposition architecture lets wallet-held assets quote and fill onchain swaps without deposits or lockups.

DEXActive
Also known as: BarterSwap, BarterSwap Superposition, Barter Superposition, Superposition

Registry sequence

Key facts

Launch date
2025-03-31
Death date
Years
2025–—
Origin
Ethereum ecosystem
Confidence
high
Last verified
2026-06-29

URL handling

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

Summary

Non-custodial decentralized swap-routing and distributed-liquidity protocol whose Superposition architecture lets wallet-held assets quote and fill onchain swaps without deposits or lockups.

Timeline

Barter introduced Superposition
2025-03-31launchedmedium

Barter introduced its distributed-liquidity architecture, allowing users to supply wallet-held liquidity to onchain swap execution without depositing assets into conventional pools.

Evidence

Barter Labsofficial_statementhigh reliabilitystatusarchive
Barter Labsofficial_statementhigh reliabilityentityarchive
Barter Team2025-03-01official_statementhigh reliabilityeventarchive
Greenfield Capital2026-03-09news_articlemedium reliabilitystatusarchive

Related records

Notes and record state

Record note
The verified-unadded candidate named BarterSwap Superposition is modeled under the current Barter protocol identity. HEI uses 2025-03-31, the documented introduction date of Superposition, as the canonical public launch marker for this exchange-like liquidity architecture. Barter's solver and native swap products remain part of the same entity.
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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