HEI

Historical Exchange Index

A quiet registry of crypto exchanges, active and gone.

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Exchange record

FXDX

Decentralized derivatives exchange protocol historically deployed across Base and OP Mainnet, with protocol liquidity still represented on-chain while the current first-party public surface promotes a V2 waitlist rather than open trading access.

DEXLimited

Registry sequence

Key facts

Launch date
Death date
Years
—–—
Origin
Base and OP Mainnet ecosystems
Confidence
medium
Last verified
2026-07-10

URL handling

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

Summary

Decentralized derivatives exchange protocol historically deployed across Base and OP Mainnet, with protocol liquidity still represented on-chain while the current first-party public surface promotes a V2 waitlist rather than open trading access.

Timeline

No events yet

This record does not have timeline entries yet.

Evidence

FXDXofficial_statementhigh reliabilitystatusarchive
DefiLlamadatabase_referencemedium reliabilityentity
DefiLlamadatabase_referencemedium reliabilitystatus

Related records

Notes and record state

Record note
The current first-party FXDX website is reachable but presents V2 and a Join waitlist action rather than a live trading interface. DefiLlama continues to report protocol TVL across Base and OP Mainnet and cumulative DEX volume. HEI therefore classifies FXDX as limited instead of active pending evidence of reopened public trading.
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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