Token

USD Coin (USDC)

This is the Native USDC token deployed by Circle to Arbitrum. While Bridged USDC will function on Arbitrum, it won't be fungible with Circle's native smart contract.

ERC-20 Source Code (Proxy)

Implementation:

0x86E721b4...75Fdb57B3

Circle

Stablecoin

https://www.circle.com/e
CoinMarketCap
CoinGecko
Blog
X (Twitter)
Discord
Whitepaper

API

Check previous token balance
Add Token to MetaMask (Web3)
Update Token Info
Update Name Tag or Label
Submit Burn Details
Report/Flag Address

Overview

Max Total Supply

5,881,808,700.992559 USDC

Holders

3,955,210 (0.00%)

Market

Price

$1.00 @ 0.000457 ETH (+0.03%)

Onchain Market Cap

$5,881,808,700.99

Circulating Supply Market Cap

$76,940,383,337.00

Other Info

Token Contract (WITH 6 Decimals)

0xaf88d065e77c8cc2239327c5edb3a432268e5831

Filtered by Token Holder

0x04Df8D02f912d34FEf12a1B0488ee56FD6f7416c

Balance

3.074052 USDC

Value

$3.07 ( ~0.00140417360271347 ETH) [0.0000%]

Transfers
Info
Contract
Analytics
Cards New

0x04df8d02f912d34fef12a1b0488ee56fd6f7416c

OVERVIEW

USDC is a fully collateralized US Dollar stablecoin developed by CENTRE, the open source project with Circle being the first of several forthcoming issuers.

Market

Volume (24H)	:	$5,292,417,810.00
Market Capitalization	:	$76,940,383,337.00
Circulating Supply	:	76,954,841,727.00 USDC
Market Data Source: Coinmarketcap

Contract
Read as Proxy
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Past Implementations

Source Code Verified Exact Match

Proxy

Implementation:

0x86E721b4...75Fdb57B3

API

Contract Name

FiatTokenProxy

Compiler Version

v0.6.12+commit.27d51765

Optimization Enabled

Yes with 10000000 runs

Other Settings

default 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":"implementationContract","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":false,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"}]

Contract Creation Code

Switch to Opcodes View Decompile Bytecode

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Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000f4fb9474303d10905ab86aa8d5a65fe44b6e04a

-----Decoded View---------------
Arg [0] : implementationContract (address): 0x0f4fb9474303d10905AB86aA8d5A65FE44b6E04A

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000f4fb9474303d10905ab86aa8d5a65fe44b6e04a

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proxy contracts

/Users/mgrant/Developer/centre-tokens/contracts/v1/FiatTokenProxy.sol
@openzeppelin/contracts/utils/Address.sol
/Users/mgrant/Developer/centre-tokens/contracts/upgradeability/UpgradeabilityProxy.sol
/Users/mgrant/Developer/centre-tokens/contracts/upgradeability/Proxy.sol
/Users/mgrant/Developer/centre-tokens/contracts/upgradeability/AdminUpgradeabilityProxy.sol

implementation contracts

/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v2/FiatTokenV2_2.sol
@openzeppelin/contracts/utils/Address.sol
@openzeppelin/contracts/token/ERC20/SafeERC20.sol
@openzeppelin/contracts/token/ERC20/IERC20.sol
@openzeppelin/contracts/math/SafeMath.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v2/FiatTokenV2_1.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v2/FiatTokenV2.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v2/EIP712Domain.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v2/EIP3009.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v2/EIP2612.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v2/AbstractFiatTokenV2.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v1/Pausable.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v1/Ownable.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v1/FiatTokenV1.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v1/Blacklistable.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v1/AbstractFiatTokenV1.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v1.1/Rescuable.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/v1.1/FiatTokenV1_1.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/util/SignatureChecker.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/util/MessageHashUtils.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/util/EIP712.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/util/ECRecover.sol
/Users/default-admin/Documents/circle/stablecoin-evm-private-usdc-mainnet-arb/contracts/interface/IERC1271.sol

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Implementation:

0x86E721b4...75Fdb57B3

ZeppelinOS

Implementation:

0x86E721b4...75Fdb57B3

ZeppelinOS

Latest 25 proxy upgrades

Transaction Hash	Block	Age	Implementation	Event	Status
0x3cc9b4d7d8270ac6593bb909fed64cc6f8382b029c3a8ef9e8257d2d8cd86c86	159778092	2023-12-13 17:32:40	886 days ago	1702488760	0x86E721b4...75Fdb57B3	Upgraded	Active

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Compiler specific version warnings:

The compiled contract might be susceptible to the Solidity Compiler Bugs below:

LostStorageArrayWriteOnSlotOverflow (low-severity)
FullInlinerNonExpressionSplitArgumentEvaluationOrder (low-severity)
MissingSideEffectsOnSelectorAccess (low-severity)
AbiReencodingHeadOverflowWithStaticArrayCleanup (medium-severity)
DirtyBytesArrayToStorage (low-severity)
DataLocationChangeInInternalOverride (very low-severity)
NestedCalldataArrayAbiReencodingSizeValidation (very low-severity)
SignedImmutables (very low-severity)
ABIDecodeTwoDimensionalArrayMemory (very low-severity)
KeccakCaching (medium-severity)
EmptyByteArrayCopy (medium-severity)
DynamicArrayCleanup (medium-severity)

Tools & Services

Token

Overview

Max Total Supply

Holders

Market

Price

Onchain Market Cap

Circulating Supply Market Cap

Other Info

Token Contract (WITH 6 Decimals)

Filtered by Token Holder

Balance

Value

Contract Name

FiatTokenProxy

Compiler Version

Optimization Enabled

Other Settings

License

Contract Source Code (Solidity Standard Json-Input format)

Contract Security Audit

Contract Security Audit

Contract ABI

Contract Creation Code

Deployed Bytecode

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)