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What is YFX V3?

YFX is a decentralized perpetual exchange with up to 100x leverage, high liquidity, low fees, and no transaction slippage.
YFX adopts the PvPool (PvP) trading mechanism, allowing traders and liquidity pools to trade directly. Liquidity providers can add or remove liquidity for linear, inverse, and mixed contracts through multiple single-currency pools with no impermanent loss. Liquidity providers can earn trading profits, transaction, borrowing, and funding fees.
The V1 version was developed in June 2020, and the V2 version was developed in January 2022.
YFX V3 is a new upgraded version of YFX V2. This upgrade mainly adds aggregated fund pools, ChainLink price feeds, a new Earn model, a new hedge position mode, funding fees, borrowing fees, liquidity provider tokens YLPs, a more incentivized referral program, and a new UI design that makes the protocol more decentralized and easier to use.

Aggregated fund pool YLP (YFX Liquidity Provider)

YFX V3 still adopts the PvP (PvPool) trading mechanism, which allows users and fund pools to trade directly. In V1 and V2, each trading pair corresponds to a fund pool, while in V3, YFX utilizes multiple single-asset fund pools according to the risk of the underlying token. Mainstream trading pairs such as ETH/USD and BTC/USD share one USDC fund pool, ARB/USD, UNI/USD, DOGE/USD, and other trading pairs share another USDC (USDC 2) fund pool. Adopting multiple single-asset fund pools effectively reduces staking risks from a major market shift of another cryptocurrency.
Liquidity providers (LP) can choose to stake in fund pools with desired risk levels according to their own risk preferences.
In the V1 and V2 versions, the price is determined by the weighted average price of the Top N centralized exchanges. In V3, Chainlink price feeds mainly determine the price. The weighted average price of the centralized exchanges is used for rapid price corrections.

New Earn Reward Mechanism

In V3, YFX token holders can stake to earn 30% of trading profits and fees. YLP token holders can stake to earn 60% of trading profits and fees. The remaining 10% is used to repurchase and burn TFX tokens. In addition, YFX adds new staking rewards for trading and the referral program.

Switch Between Single-position Mode and Hedge Mode

In V1, traders can simultaneously have long and short positions for any trading pair. In V2, traders can only have a long or a short position for any trading pair. In V3, traders can switch between single-position and hedge modes based on their preferences.

Funding Fees

YFX implements the funding fee mechanism to balance the aggregated long and short positions. When the funding fee is positive, longs pay shorts. When the funding fee is negative, shorts pay longs.

Borrowing Fees

When a trader opens a leveraged position on YFX, they borrow some funds from an LP fund pool. Therefore, traders need to pay borrowing fees to the fund pool.
In YFX V3, the maximum borrowing fee a trader can pay is 0.008%/hour.

A comparison between V1, V2, and V3

Version
V1
V2
V3
Development Time
June 2020
January 2022
January 2023
Position Mode
Support only Hedge Mode
Support only Single-position Mode
Support both Hedge Mode and Single-position Mode
Funding Fees
No
Yes
Yes
Borrowing Fees
No
No
Yes
Trigger Orders
No
Yes
Yes
Stop-loss & Take-profit Orders
No
Yes
Yes
Deposit & Withdrawal
Yes
Yes
No
Liquidation is carried out by
YFX Liquidation Bot
YFX Liquidation Bot
YFX Liquidation Bot and YFX community (when there are too many liquidations to process)
Remaining Margin after Liquidation
Add to YFX insurance fund
Add to YFX insurance fund
Return to traders
Fund Pool Model
One pool funds one market
One pool funds one market
One pool funds multiple markets
Referral
The address is recorded on-chain. One address can only have one referral code
The address is recorded on-chain. One address can only have one referral code
Referral codes are recorded on-chain. One address can have multiple referral codes
Pricing Mechanism
Use weighted average last prices on major centralized exchanges
Use weighted average last prices on major centralized exchanges
mainly uses Chainlink price feeds, supplemented by the last prices on major centralized exchanges
Add Margin
Yes
Yes
Yes
Remove Margin
No
No
Yes
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