ETH Price: $3,480.01 (+2.58%)

Token

USDC (USDC)
 

Overview

Max Total Supply

30,401,815,846.359614 USDC

Holders

2,507,937 (0.00%)

Market

Price

$1.00 @ 0.000287 ETH (+0.14%)

Onchain Market Cap

$30,401,815,846.36

Circulating Supply Market Cap

$43,115,550,728.00

Other Info

Token Contract (WITH 6 Decimals)

Balance
0 USDC

Value
$0.00
0x7d877260a4369b1e69f296a1ed7d8b72214fdfb0
Loading...
Loading
Loading...
Loading
Loading...
Loading

OVERVIEW

USDC is a US dollar-backed stablecoin issued by Circle. USDC is designed to provide a faster, safer, and more efficient way to send, spend, and exchange money around the world.

Market

Volume (24H):$8,399,543,233.00
Market Capitalization:$43,115,550,728.00
Circulating Supply:43,159,362,088.00 USDC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Binance
BTC-USDC$1.00
0.0002874 Eth
$366,363,959.00
3,777.575 BTC
0.0002%
2
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002872 Eth
$201,224,861.00
1,032,439.728 SO11111111111111111111111111111111111111112
0.0457%
3
Raydium (CLMM)
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002873 Eth
$152,530,140.00
782,509.803 SO11111111111111111111111111111111111111112
0.0347%
4
Bybit
BTC-USDC$1.00
0.0002874 Eth
$138,616,520.00
1,431.610 BTC
0.0001%
5
DigiFinex
BTC-USDC$1.001
0.0002874 Eth
$105,210,432.00
1,073.759 BTC
0.0000%
6
OKX
BTC-USDC$1.00
0.0002874 Eth
$92,653,042.00
956.009 BTC
0.0000%
7
Coinbase Exchange
USDT-USDC$1.00
0.0002873 Eth
$88,784,565.00
88,830,566.090 USDT
3.9346%
8
Bybit
ETH-USDC$1.00
0.0002874 Eth
$67,407,691.00
19,509.671 ETH
0.0009%
9
Binance
SOL-USDC$0.9999
0.0002872 Eth
$67,343,690.00
345,785.386 SOL
0.0153%
10
Binance
XRP-USDC$1.00
0.0002873 Eth
$49,921,074.00
21,763,095.000 XRP
0.9640%
11
DigiFinex
ETH-USDC$1.001
0.0002874 Eth
$47,845,299.00
13,747.309 ETH
0.0006%
12
Meteora
2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002873 Eth
$43,320,715.00
1,273,851,976.545 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV
56.4233%
13
OKX
ETH-USDC$1.00
0.0002873 Eth
$41,338,085.00
11,945.825 ETH
0.0005%
14
Kraken
USDC-USD$0.9999
0.0002873 Eth
$37,761,511.00
37,765,287.243 USDC
1.6728%
15
LBank
BTC-USDC$1.00
0.0002873 Eth
$32,882,193.00
335.645 BTC
0.0000%
16
Biconomy.com
ETH-USDC$1.00
0.0002867 Eth
$31,348,258.00
9,095.927 ETH
0.0004%
17
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002872 Eth
$24,960,287.00
128,499.644 SO11111111111111111111111111111111111111112
0.0057%
18
Orca
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002872 Eth
$22,808,002.00
5,398,580.470 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.2391%
19
LFJ V2.1 (Avalanche)
0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$1.00
0.0002874 Eth
$22,438,530.00
556,419.336 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7
0.0246%
20
XT.COM
ETH-USDC$1.00
0.0002873 Eth
$21,540,272.00
6,232.519 ETH
0.0003%
21
LFJ V2.2 (Avalanche)
0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$1.00
0.0002874 Eth
$19,621,258.00
19,640,240.275 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7
0.8699%
22
Binance
ADA-USDC$1.00
0.0002873 Eth
$19,162,983.00
20,744,943.900 ADA
0.9189%
23
Binance
DOGE-USDC$0.9999
0.0002874 Eth
$17,520,845.00
52,854,997.000 DOGE
2.3411%
24
Meteora
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002872 Eth
$16,937,931.00
4,009,518.356 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.1776%
25
Hotcoin
ETH-USDC$1.00
0.0002873 Eth
$14,703,173.00
4,225.314 ETH
0.0002%
26
Uniswap V3 (Avalanche)
0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$1.00
0.0002874 Eth
$13,169,224.00
327,222.396 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7
0.0145%
27
Meteora
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002872 Eth
$12,400,374.00
63,658.215 SO11111111111111111111111111111111111111112
0.0028%
28
Meteora
2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002873 Eth
$11,538,063.00
335,637,629.812 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV
14.8666%
29
Binance
HBAR-USDC$1.00
0.0002873 Eth
$10,379,305.00
32,759,364.000 HBAR
1.4510%
30
Orca
2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002872 Eth
$10,350,790.00
10,351,937.060 2B1KV6DKPANXD5IXFNXCPJXMKWQJJAYMCZFHSFU24GXO
0.4585%
31
KuCoin
BTC-USDC$1.00
0.0002874 Eth
$9,781,307.00
99.857 BTC
0.0000%
32
KuCoin
ETH-USDC$1.00
0.0002874 Eth
$9,658,184.00
2,775.549 ETH
0.0001%
33
Bybit
XRP-USDC$1.00
0.0002874 Eth
$9,534,341.00
4,153,051.650 XRP
0.1840%
34
Slex
ETH-USDC$1.00
0.0002871 Eth
$8,696,898.00
2,518.028 ETH
0.0001%
35
Dex-Trade
BTC-USDC$1.00
0.0002872 Eth
$8,007,564.00
81.703 BTC
0.0000%
36
OKX
XRP-USDC$1.00
0.0002873 Eth
$7,226,019.00
3,147,886.869 XRP
0.1394%
37
Azbit
SOL-USDC$1.00
0.0002867 Eth
$6,996,044.00
35,920.535 SOL
0.0016%
38
QMall
ETH-USDC$1.00
0.0002867 Eth
$6,016,600.00
1,740.708 ETH
0.0001%
39
Dex-Trade
ETH-USDC$1.00
0.0002872 Eth
$5,906,182.00
1,695.185 ETH
0.0001%
40
Bitget
BTC-USDC$1.00
0.0002873 Eth
$5,568,085.00
57.833 BTC
0.0000%
41
Bitget
ETH-USDC$1.00
0.0002873 Eth
$5,509,268.00
1,598.331 ETH
0.0001%
42
OKX
SOL-USDC$1.00
0.0002873 Eth
$5,209,974.00
26,655.497 SOL
0.0012%
43
HTX
ETH-USDC$1.00
0.0002874 Eth
$5,040,621.00
1,463.809 ETH
0.0001%
44
OKX
USDT-USDC$1.00
0.0002874 Eth
$4,906,774.00
4,910,786.909 USDT
0.2175%
45
PointPay
BTC-USDC$0.9999
0.0002872 Eth
$4,539,623.00
46.697 BTC
0.0000%
46
BingX
DOGE-USDC$1.00
0.0002874 Eth
$3,995,855.00
12,062,584.000 DOGE
0.5343%
47
XT.COM
BTC-USDC$1.00
0.0002873 Eth
$3,662,686.00
37.765 BTC
0.0000%
48
Binance
AVAX-USDC$1.00
0.0002867 Eth
$3,514,397.00
87,421.920 AVAX
0.0039%
49
KuCoin
USDT-USDC$1.00
0.0002874 Eth
$3,458,618.00
3,460,555.540 USDT
0.1533%
50
Cube
BTC-USDC$1.00
0.0002873 Eth
$3,207,843.00
33.124 BTC
0.0000%
51
Binance
AAVE-USDC$1.00
0.0002872 Eth
$3,151,452.00
8,410.085 AAVE
0.0004%
52
Binance
PENGU-USDC$1.00
0.0002872 Eth
$2,793,615.00
79,842,635.000 PENGU
3.5365%
53
Binance
LTC-USDC$1.00
0.0002873 Eth
$2,437,760.00
22,560.340 LTC
0.0010%
54
Binance
OP-USDC$0.9997
0.0002868 Eth
$2,377,059.00
1,226,811.470 OP
0.0543%
55
Binance
ALGO-USDC$1.00
0.0002873 Eth
$2,328,860.00
5,971,039.000 ALGO
0.2645%
56
LBank
FIL-USDC$1.00
0.0002872 Eth
$1,979,316.00
364,844.276 FIL
0.0162%
57
Binance
FET-USDC$0.9999
0.0002871 Eth
$1,972,861.00
1,434,105.100 FET
0.0635%
58
KuCoin
XRP-USDC$1.00
0.0002873 Eth
$1,915,604.00
837,665.755 XRP
0.0371%
59
Bybit
DOGE-USDC$1.00
0.0002874 Eth
$1,911,425.00
5,786,409.200 DOGE
0.2563%
60
Binance
ENA-USDC$1.00
0.0002873 Eth
$1,892,912.00
1,798,589.220 ENA
0.0797%
61
Binance
GALA-USDC$1.00
0.0002872 Eth
$1,877,200.00
48,367,817.000 GALA
2.1424%
62
Binance
APT-USDC$1.00
0.0002873 Eth
$1,861,701.00
192,765.090 APT
0.0085%
63
Binance
RSR-USDC$1.00
0.0002872 Eth
$1,848,724.00
132,001,285.800 RSR
5.8468%
64
OKX
DOGE-USDC$1.00
0.0002873 Eth
$1,839,590.00
5,560,678.020 DOGE
0.2463%
65
Binance
RENDER-USDC$1.00
0.0002873 Eth
$1,671,293.00
214,612.370 RENDER
0.0095%
66
OKX
HBAR-USDC$1.00
0.0002874 Eth
$1,483,386.00
4,722,347.328 HBAR
0.2092%
67
Binance
NEAR-USDC$1.00
0.0002873 Eth
$1,461,568.00
264,271.600 NEAR
0.0117%
68
Bitget
SOL-USDC$1.00
0.0002873 Eth
$1,407,693.00
7,265.670 SOL
0.0003%
69
Gemini
USDC-USD$0.9999
0.0002873 Eth
$1,382,225.00
1,382,349.787 USDC
0.0612%
70
LCX Exchange
LCX-USDC$1.00
0.0002872 Eth
$1,338,947.00
4,596,451.000 LCX
0.2036%
71
OKX
FTM-USDC$1.00
0.0002874 Eth
$1,333,676.00
1,363,089.957 FTM
0.0604%
72
Biconomy.com
USDT-USDC$0.9999
0.0002872 Eth
$1,207,734.00
1,209,151.143 USDT
0.0536%
73
Bybit
LINK-USDC$1.00
0.0002874 Eth
$1,107,255.00
44,658.339 LINK
0.0020%
74
DeGate
0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9973
0.0002860 Eth
$1,048,424.00
198,288.402 0X808507121B80C02388FAD14726482E061B8DA827
0.0088%
75
Binance
SEI-USDC$1.00
0.0002873 Eth
$1,008,029.00
2,186,529.700 SEI
0.0968%
76
VALR
USDT-USDC$1.00
0.0002872 Eth
$1,000,108.00
1,000,957.056 USDT
0.0443%
77
OKX
ADA-USDC$1.00
0.0002873 Eth
$846,168.00
913,014.965 ADA
0.0404%
78
OKX
NEAR-USDC$1.00
0.0002873 Eth
$830,808.00
149,733.693 NEAR
0.0066%
79
WEEX
AVAX-USDC$0.999
0.0002869 Eth
$801,698.00
19,649.746 AVAX
0.0009%
80
Binance
BCH-USDC$1.00
0.0002873 Eth
$736,892.00
1,570.147 BCH
0.0001%
81
OKX
SUI-USDC$1.00
0.0002874 Eth
$677,500.00
147,264.742 SUI
0.0065%
82
OKX
AVAX-USDC$1.00
0.0002873 Eth
$596,914.00
14,603.409 AVAX
0.0006%
83
BingX
UNI-USDC$1.00
0.0002874 Eth
$542,102.00
37,862.988 UNI
0.0017%
84
WEEX
LTC-USDC$1.00
0.0002872 Eth
$500,502.00
4,622.463 LTC
0.0002%
85
Binance
IO-USDC$1.00
0.0002873 Eth
$493,849.00
156,137.290 IO
0.0069%
86
DeGate
0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9973
0.0002860 Eth
$478,442.00
591,849.670 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1
0.0262%
87
DeGate
0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9973
0.0002860 Eth
$448,856.00
81,525.077 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D
0.0036%
88
WEEX
ARB-USDC$0.999
0.0002869 Eth
$431,321.00
532,740.000 ARB
0.0236%
89
DeGate
0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9956
0.0002859 Eth
$418,830.00
722,644.410 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F
0.0320%
90
DeGate
0X7420B4B9A0110CDC71FB720908340C03F9BC03EC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9973
0.0002860 Eth
$406,916.00
10,892,912.100 0X7420B4B9A0110CDC71FB720908340C03F9BC03EC
0.4825%
91
DeGate
0X4D1C297D39C5C1277964D0E3F8AA901493664530-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9956
0.0002859 Eth
$387,748.00
579,065.290 0X4D1C297D39C5C1277964D0E3F8AA901493664530
0.0256%
92
Azbit
DOT-USDC$0.999
0.0002869 Eth
$312,143.00
42,065.644 DOT
0.0019%
93
Solidly V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0002872 Eth
$310,005.00
310,582.578 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0138%
94
LBank
DOT-USDC$0.9999
0.0002872 Eth
$285,318.00
38,229.171 DOT
0.0017%
95
DeGate
0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9973
0.0002860 Eth
$269,143.00
5,971,551.200 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71
0.2645%
96
DeGate
0X3845BADADE8E6DFF049820680D1F14BD3903A5D0-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9956
0.0002859 Eth
$245,645.00
402,005.170 0X3845BADADE8E6DFF049820680D1F14BD3903A5D0
0.0178%
97
Solidly V3 (Base)
0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.00
0.0002872 Eth
$199,895.00
57.473 0X4200000000000000000000000000000000000006
0.0000%
98
Uniswap V3 (Ethereum)
0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9914
0.0002847 Eth
$190,562.00
242,288.163 0X467719AD09025FCC6CF6F8311755809D45A5E5F3
0.0107%
99
DeGate
0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9973
0.0002860 Eth
$173,959.00
197,447.031 0X8687A10BCA6F139B25EB31020FCABB5782214764
0.0087%
100
DeGate
0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9973
0.0002860 Eth
$157,675.00
199,174.980 0X467719AD09025FCC6CF6F8311755809D45A5E5F3
0.0088%

Contract Source Code Verified (Exact Match)

Contract Name:
FiatTokenProxy

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion, Audited
/**
 *Submitted for verification at Etherscan.io on 2018-08-03
*/

pragma solidity ^0.4.24;

// File: zos-lib/contracts/upgradeability/Proxy.sol

/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
contract Proxy {
  /**
   * @dev Fallback function.
   * Implemented entirely in `_fallback`.
   */
  function () payable external {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal view returns (address);

  /**
   * @dev Delegates execution to an implementation contract.
   * This is a low level function that doesn't return to its internal call site.
   * It will return to the external caller whatever the implementation returns.
   * @param implementation Address to delegate.
   */
  function _delegate(address implementation) internal {
    assembly {
      // Copy msg.data. We take full control of memory in this inline assembly
      // block because it will not return to Solidity code. We overwrite the
      // Solidity scratch pad at memory position 0.
      calldatacopy(0, 0, calldatasize)

      // Call the implementation.
      // out and outsize are 0 because we don't know the size yet.
      let result := delegatecall(gas, implementation, 0, calldatasize, 0, 0)

      // Copy the returned data.
      returndatacopy(0, 0, returndatasize)

      switch result
      // delegatecall returns 0 on error.
      case 0 { revert(0, returndatasize) }
      default { return(0, returndatasize) }
    }
  }

  /**
   * @dev Function that is run as the first thing in the fallback function.
   * Can be redefined in derived contracts to add functionality.
   * Redefinitions must call super._willFallback().
   */
  function _willFallback() internal {
  }

  /**
   * @dev fallback implementation.
   * Extracted to enable manual triggering.
   */
  function _fallback() internal {
    _willFallback();
    _delegate(_implementation());
  }
}

// File: openzeppelin-solidity/contracts/AddressUtils.sol

/**
 * Utility library of inline functions on addresses
 */
library AddressUtils {

  /**
   * Returns whether the target address is a contract
   * @dev This function will return false if invoked during the constructor of a contract,
   * as the code is not actually created until after the constructor finishes.
   * @param addr address to check
   * @return whether the target address is a contract
   */
  function isContract(address addr) internal view returns (bool) {
    uint256 size;
    // XXX Currently there is no better way to check if there is a contract in an address
    // than to check the size of the code at that address.
    // See https://ethereum.stackexchange.com/a/14016/36603
    // for more details about how this works.
    // TODO Check this again before the Serenity release, because all addresses will be
    // contracts then.
    // solium-disable-next-line security/no-inline-assembly
    assembly { size := extcodesize(addr) }
    return size > 0;
  }

}

// File: zos-lib/contracts/upgradeability/UpgradeabilityProxy.sol

/**
 * @title UpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract UpgradeabilityProxy is Proxy {
  /**
   * @dev Emitted when the implementation is upgraded.
   * @param implementation Address of the new implementation.
   */
  event Upgraded(address implementation);

  /**
   * @dev Storage slot with the address of the current implementation.
   * This is the keccak-256 hash of "org.zeppelinos.proxy.implementation", and is
   * validated in the constructor.
   */
  bytes32 private constant IMPLEMENTATION_SLOT = 0x7050c9e0f4ca769c69bd3a8ef740bc37934f8e2c036e5a723fd8ee048ed3f8c3;

  /**
   * @dev Contract constructor.
   * @param _implementation Address of the initial implementation.
   */
  constructor(address _implementation) public {
    assert(IMPLEMENTATION_SLOT == keccak256("org.zeppelinos.proxy.implementation"));

    _setImplementation(_implementation);
  }

  /**
   * @dev Returns the current implementation.
   * @return Address of the current implementation
   */
  function _implementation() internal view returns (address impl) {
    bytes32 slot = IMPLEMENTATION_SLOT;
    assembly {
      impl := sload(slot)
    }
  }

  /**
   * @dev Upgrades the proxy to a new implementation.
   * @param newImplementation Address of the new implementation.
   */
  function _upgradeTo(address newImplementation) internal {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  /**
   * @dev Sets the implementation address of the proxy.
   * @param newImplementation Address of the new implementation.
   */
  function _setImplementation(address newImplementation) private {
    require(AddressUtils.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }
}

// File: zos-lib/contracts/upgradeability/AdminUpgradeabilityProxy.sol

/**
 * @title AdminUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
  /**
   * @dev Emitted when the administration has been transferred.
   * @param previousAdmin Address of the previous admin.
   * @param newAdmin Address of the new admin.
   */
  event AdminChanged(address previousAdmin, address newAdmin);

  /**
   * @dev Storage slot with the admin of the contract.
   * This is the keccak-256 hash of "org.zeppelinos.proxy.admin", and is
   * validated in the constructor.
   */
  bytes32 private constant ADMIN_SLOT = 0x10d6a54a4754c8869d6886b5f5d7fbfa5b4522237ea5c60d11bc4e7a1ff9390b;

  /**
   * @dev Modifier to check whether the `msg.sender` is the admin.
   * If it is, it will run the function. Otherwise, it will delegate the call
   * to the implementation.
   */
  modifier ifAdmin() {
    if (msg.sender == _admin()) {
      _;
    } else {
      _fallback();
    }
  }

  /**
   * Contract constructor.
   * It sets the `msg.sender` as the proxy administrator.
   * @param _implementation address of the initial implementation.
   */
  constructor(address _implementation) UpgradeabilityProxy(_implementation) public {
    assert(ADMIN_SLOT == keccak256("org.zeppelinos.proxy.admin"));

    _setAdmin(msg.sender);
  }

  /**
   * @return The address of the proxy admin.
   */
  function admin() external view ifAdmin returns (address) {
    return _admin();
  }

  /**
   * @return The address of the implementation.
   */
  function implementation() external view ifAdmin returns (address) {
    return _implementation();
  }

  /**
   * @dev Changes the admin of the proxy.
   * Only the current admin can call this function.
   * @param newAdmin Address to transfer proxy administration to.
   */
  function changeAdmin(address newAdmin) external ifAdmin {
    require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address");
    emit AdminChanged(_admin(), newAdmin);
    _setAdmin(newAdmin);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy.
   * Only the admin can call this function.
   * @param newImplementation Address of the new implementation.
   */
  function upgradeTo(address newImplementation) external ifAdmin {
    _upgradeTo(newImplementation);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy and call a function
   * on the new implementation.
   * This is useful to initialize the proxied contract.
   * @param newImplementation Address of the new implementation.
   * @param data Data to send as msg.data in the low level call.
   * It should include the signature and the parameters of the function to be
   * called, as described in
   * https://solidity.readthedocs.io/en/develop/abi-spec.html#function-selector-and-argument-encoding.
   */
  function upgradeToAndCall(address newImplementation, bytes data) payable external ifAdmin {
    _upgradeTo(newImplementation);
    require(address(this).call.value(msg.value)(data));
  }

  /**
   * @return The admin slot.
   */
  function _admin() internal view returns (address adm) {
    bytes32 slot = ADMIN_SLOT;
    assembly {
      adm := sload(slot)
    }
  }

  /**
   * @dev Sets the address of the proxy admin.
   * @param newAdmin Address of the new proxy admin.
   */
  function _setAdmin(address newAdmin) internal {
    bytes32 slot = ADMIN_SLOT;

    assembly {
      sstore(slot, newAdmin)
    }
  }

  /**
   * @dev Only fall back when the sender is not the admin.
   */
  function _willFallback() internal {
    require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
    super._willFallback();
  }
}

// File: contracts/FiatTokenProxy.sol

/**
* Copyright CENTRE SECZ 2018
*
* Permission is hereby granted, free of charge, to any person obtaining a copy 
* of this software and associated documentation files (the "Software"), to deal 
* in the Software without restriction, including without limitation the rights 
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
* copies of the Software, and to permit persons to whom the Software is furnished to 
* do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all 
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/

pragma solidity ^0.4.24;


/**
 * @title FiatTokenProxy
 * @dev This contract proxies FiatToken calls and enables FiatToken upgrades
*/ 
contract FiatTokenProxy is AdminUpgradeabilityProxy {
    constructor(address _implementation) public AdminUpgradeabilityProxy(_implementation) {
    }
}

Contract Security Audit

Contract ABI

[{"constant":false,"inputs":[{"name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newImplementation","type":"address"},{"name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":true,"inputs":[],"name":"implementation","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"admin","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_implementation","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"previousAdmin","type":"address"},{"indexed":false,"name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"implementation","type":"address"}],"name":"Upgraded","type":"event"}]

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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)

0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56

-----Decoded View---------------
Arg [0] : _implementation (address): 0x0882477e7895bdC5cea7cB1552ed914aB157Fe56

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000882477e7895bdc5cea7cb1552ed914ab157fe56


Swarm Source

bzzr://a4a547cfc7202c5acaaae74d428e988bc62ad5024eb0165532d3a8f91db4ed24
Loading...
Loading
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.