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Concentrator

Concentrator by Aladdin DAO maximizes Convex APYs and earns yield in the best DeFi tokens
What is Concentrator?
Concentrator is a yield enhancer that boosts yields on Convex vaults by concentrating all rewards into auto-compounding top-tier tokens like aCRV (cvxCRV) and aFXS (cvxFXS/FXS).
Why use Concentrator?
i. Set & forget to increase Convex yields by 20%+
ii. Yields are concentrated into top-tier wrapped auto-compounding tokens (aCRV = cvxCRV, aFXS = cvxFXS/FXS), thus earning the most rewards denominated in the best tokens (farm & hold)
iii. Claim your rewards at a time of your choosing
How does it work?
Users deposit Curve LP tokens or zap into their selected strategy. Funds are automatically staked in Convex vaults and rewards are periodically harvested. Harvested rewards are swapped to aCRV or aFXS, which are auto-compounding wrappers for cvxCRV and cvxFXS/FXS respectively.
Users may unwrap their aCRV or aFXS at any time, or zap out to blue chip assets.
What is aCRV/aFXS?
aCRV and aFXS are each wrappers representing a share of an auto-compounding Concentrator vault. Each one is backed by a different farming strategy. All farming yields for each strategy are compounded back into more of the underlying token.
Auto-compounding Token
Underlying (Wrapped) Token
Farming Strategy
aCRV
cvxCRV
Convex cvxCRV staking
aFXS
cvxFXS/FXS (Curve LP)
Convex cvxFXS/FXS Staking
The total amount of underlying token contained in the auto-compounding Concentrator vault is equal to the total Auto-compounding token balance multiplied by the current index:
cvxCRV_Balance = aCRV_Balance * Current_aCRV_Index
cvxFXS/FXS_Balance = aFXS_Balance * Current_aFXS_Index
Using aCRV/aFXS to represent a share of the underlying compounding cvxCRV vault simplifies the smart contracts and is more gas efficient, and it creates a simple, single, bridgeable token representing an increasing amount of the underlying.
How much does it cost?
Concentrator takes a standard 10% fee on yields only, during the harvest process. Concentrator’s fees are shared between CTR lockers and the Concentrator treasury.
Each vault has a withdrawal fee, which is specified per-vault. Withdrawal fees are distributed to other depositors in the vault (not to token lockers or the treasury).
What is aCRV/aFXS contract address?
Chains
CRV Address
aCRV Address
Ethereum
0xD533a949740bb3306d119CC777fa900bA034cd52
0x2b95A1Dcc3D405535f9ed33c219ab38E8d7e0884
Arbitrum
0x11cdb42b0eb46d95f990bedd4695a6e3fa034978
0xebf1f92d4384118bfb91b4496660a95931c92861
Polygon
0x172370d5cd63279efa6d502dab29171933a610af
0x89c90e480a39fbe3886bb5bd53ba5b1acc69d4fb
Fantom
0x1e4f97b9f9f913c46f1632781732927b9019c68b
0x666a3776b3e82f171cb1dff7428b6808d2cd7d02
Chains
FXS Address
aFXS Address
Ethereum
0x3432B6A60D23Ca0dFCa7761B7ab56459D9C964D0
0xDAF03D70Fe637b91bA6E521A32E1Fb39256d3EC9