diff --git a/MEV_and_trading/derivatives/perpetuals.md b/MEV_and_trading/derivatives/perpetuals.md
index 32b732c..165a872 100644
--- a/MEV_and_trading/derivatives/perpetuals.md
+++ b/MEV_and_trading/derivatives/perpetuals.md
@@ -2,30 +2,19 @@
-#### [perpetual swap](https://app.laevitas.ch/altsderivs/GMX/perpetualswaps)
-
-
-* trading product first introduced in 2016 by bitmex
-* has become popular with trading volumes of over $180 mi
-* offer traders a chance to take on large positions with little money down
-* like other types of derivatives such as futures and options, perpetual swaps provide a means to speculate on the value of the assets while the contract is held
-* unlike future contracts, perpetual swaps do not have expiration dates
-* [hot tub by perpetual swap](https://perpprotocol.mirror.xyz/8C0shiFg0YbhkGOF3i9jFVmyCumKncdsgviDE4qQtjQ)
+### protocols
-#### [synthetix](https://synthetix.io/)
+* [perpetual swap](perpetual_swap.md)
+* [synthetix](synthetix.md)
+* [vela](vela.md)
-* one of ethereum's ecosystem's leading derivatives projects.
-* a derivative liquidity protocol that powers the creation of "synths" (synthetic assets) that can be traded in a decentralized and permissionless manner.
-* synths let traders capitalize on exposure to assets without having to directly own the assets in question.
-* some of Synthetix's most popular synths are its forex synths: sUDS and sEUR.
-* a foundational element of Synthetix is SNX staking, which is used for collateralizing the derivatives protocol and for creating deep liquidity for synths.
-* SNX stakers earn inflationary SNX rewards and a cut of sUSD fees generated by protocols that work on top of Synthetix.
-* [kwenta perp trading platform on synthetix](https://mirror.xyz/kwenta.eth)
- * The primary DEX in the Synthetix ecosystem.
- * Designed to facilitate zero-slippage synth trading.
- * it does not rely on an orderbook or liquidity pool model, but instead the DEX employs a peer-to-contract system in which synths are traded against a smart contract informed by Chainlink price feeds.
+
+
+----
+
+### resources