Token

Staked Frax USD (sfrxUSD)

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ERC-20 Source Code (Proxy)

Implementation:

0xAad4A1D9...883e96700

DeFi

https://www.frax.com/
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Overview

Max Total Supply

29,836,446.979945102947981227 sfrxUSD

Holders

563 (0.00%)

Transfers

93 ( 22.37%)

Market

Price

$1.21 @ 0.000492 ETH

Onchain Market Cap

$36,102,100.85

Circulating Supply Market Cap

$34,368,806.00

Other Info

Token Contract (WITH 18 Decimals)

0xcf62F905562626CfcDD2261162a51fd02Fc9c5b6

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Transfers
Info
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Cards

OVERVIEW

Staked FRAX (sFRAX) is an ERC4626 staking vault that distributes part of the Frax Protocol yield weekly to stakers denominated in FRAX stablecoins.

UI Multiplier changes (based on UIMultiplierUpdated event). Displayed token amounts are scaled by the active multiplier.

Transaction Hash	Block	Age	Multiplier	Status

Exchange Data Source: Coingecko

#	Exchange	Pair	Price	24H Volume	% Volume

Contract
Read as Proxy
Write as Proxy
Past Implementations

Source Code Verified Similar Match: 0xCAcd6fd2...165586E29

Constructor Proxy Implementation:0xAad4A1D9...883e96700

API

Contract Name

TransparentUpgradeableProxy

Compiler Version

v0.8.25+commit.b61c2a91

Optimization Enabled

Yes with 777777 runs

Other Settings

london EvmVersion

License

-NA-

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Contract Source Code (Solidity Standard Json-Input format)

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Contract ABI

API

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"admin","type":"address"}],"name":"ERC1967InvalidAdmin","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"ERC1967InvalidImplementation","type":"error"},{"inputs":[],"name":"ERC1967NonPayable","type":"error"},{"inputs":[],"name":"FailedCall","type":"error"},{"inputs":[],"name":"ProxyDeniedAdminAccess","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"}]

Deployed Bytecode

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proxy contracts

node_modules/@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol
node_modules/@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol
node_modules/@openzeppelin/contracts/proxy/ERC1967/ERC1967Proxy.sol
node_modules/@openzeppelin/contracts/interfaces/IERC1967.sol
node_modules/@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol
node_modules/@openzeppelin/contracts/proxy/beacon/IBeacon.sol
node_modules/@openzeppelin/contracts/utils/Address.sol
node_modules/@openzeppelin/contracts/utils/StorageSlot.sol
node_modules/@openzeppelin/contracts/proxy/Proxy.sol
node_modules/@openzeppelin/contracts/access/Ownable.sol
node_modules/@openzeppelin/contracts/utils/Errors.sol
node_modules/@openzeppelin/contracts/utils/Context.sol

implementation contracts

src/contracts/ethereum/sfrxUSD/SfrxUSD.sol
src/contracts/ethereum/sfrxUSD/versioning/SfrxUSD3.sol
node_modules/@openzeppelin/contracts-5.3.0/token/ERC20/IERC20.sol
node_modules/solmate/src/tokens/ERC20.sol
src/contracts/ethereum/sfrxUSD/versioning/SfrxUSD2.sol
src/contracts/shared/core/modules/EIP3009Module.sol
src/contracts/shared/core/modules/PermitModule.sol
node_modules/frax-standard-solidity/src/access-control/v2/Timelock2Step.sol
node_modules/@openzeppelin/contracts-5.3.0/token/ERC20/ERC20.sol
src/contracts/ethereum/sfrxUSD/inherited/LinearRewardsErc4626_2.sol
src/contracts/shared/core/modules/SignatureModule.sol
node_modules/@openzeppelin/contracts-5.3.0/token/ERC20/extensions/IERC20Metadata.sol
node_modules/@openzeppelin/contracts-5.3.0/utils/Context.sol
node_modules/@openzeppelin/contracts-5.3.0/interfaces/draft-IERC6093.sol
node_modules/solmate/src/mixins/ERC4626.sol
node_modules/@prb/math/src/ud60x18/Math.sol
node_modules/@prb/math/src/ud60x18/Conversions.sol
node_modules/@prb/math/src/ud60x18/ValueType.sol
node_modules/@openzeppelin/contracts-5.3.0/utils/cryptography/SignatureChecker.sol
node_modules/solmate/src/utils/SafeTransferLib.sol
node_modules/solmate/src/utils/FixedPointMathLib.sol
node_modules/@prb/math/src/Common.sol
node_modules/@prb/math/src/ud60x18/Errors.sol
node_modules/@prb/math/src/ud60x18/Casting.sol
node_modules/@prb/math/src/ud60x18/Constants.sol
node_modules/@prb/math/src/ud60x18/Helpers.sol
node_modules/@openzeppelin/contracts-5.3.0/utils/cryptography/ECDSA.sol
node_modules/@openzeppelin/contracts-5.3.0/interfaces/IERC1271.sol
node_modules/@prb/math/src/sd1x18/Constants.sol
node_modules/@prb/math/src/sd1x18/ValueType.sol
node_modules/@prb/math/src/sd21x18/Constants.sol
node_modules/@prb/math/src/sd21x18/ValueType.sol
node_modules/@prb/math/src/sd59x18/Constants.sol
node_modules/@prb/math/src/sd59x18/ValueType.sol
node_modules/@prb/math/src/ud2x18/Constants.sol
node_modules/@prb/math/src/ud21x18/Constants.sol
node_modules/@prb/math/src/ud2x18/ValueType.sol
node_modules/@prb/math/src/ud21x18/ValueType.sol
node_modules/@prb/math/src/sd1x18/Casting.sol
node_modules/@prb/math/src/sd21x18/Casting.sol
node_modules/@prb/math/src/sd59x18/Casting.sol
node_modules/@prb/math/src/sd59x18/Helpers.sol
node_modules/@prb/math/src/sd59x18/Math.sol
node_modules/@prb/math/src/ud2x18/Casting.sol
node_modules/@prb/math/src/ud21x18/Casting.sol
node_modules/@prb/math/src/sd1x18/Errors.sol
node_modules/@prb/math/src/sd21x18/Errors.sol
node_modules/@prb/math/src/sd59x18/Errors.sol
node_modules/@prb/math/src/ud2x18/Errors.sol
node_modules/@prb/math/src/ud21x18/Errors.sol

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Implementation:0xAad4A1D9...883e96700 EIP-1967

Latest 3 proxy upgrades

Transaction Hash	Block	Age	Implementation	Event	Status
0xb0e4af1862737afc53bb4dd4d3ac1e1cbc1f64b48135f48fe581080adf9d76b2	24320956	2026-01-26 19:01:23	227 days ago	1769454083	0xAad4A1D9...883e96700	Upgraded	Active
0xe219db63bdfb61ef970201d2fbaeda5b526bdb6bc9356f4b3255918b3c3a899a	23277605	2025-09-02 19:47:59	373 days ago	1756842479	0x501921ab...F45Eb6452	Upgraded	Inactive
0x32039fd522bc0cf180f89322febd0cf01e8c43fa8076d582aab097337de1d1a9	21578562	2025-01-08 8:28:47	610 days ago	1736324927	0x4486c140...1eb063baF	Upgraded	Inactive

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