ETH Price: $3,474.14 (+0.30%)

Token

USDC (USDC)
 

Overview

Max Total Supply

30,419,643,365.613914 USDC

Holders

2,509,091 ( 0.049%)

Market

Price

$1.00 @ 0.000288 ETH (-0.01%)

Onchain Market Cap

$30,419,643,365.61

Circulating Supply Market Cap

$43,269,488,783.00

Other Info

Token Contract (WITH 6 Decimals)

Balance
418.8817 USDC

Value
$418.88 ( ~0.120570966838886 Eth) [0.0000%]
0xE44Dd5CDB6b7c1B9d8e80D9A4EFa464fAbe2BDEE
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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):$3,780,070,519.00
Market Capitalization:$43,269,488,783.00
Circulating Supply:43,258,096,845.00 USDC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Aerodrome SlipStream
0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.001
0.0002885 Eth
$447,486,807.00
128,465.670 0X4200000000000000000000000000000000000006
0.0070%
2
Azbit
BTC-USDC$0.9998
0.0002883 Eth
$301,674,266.00
3,070.406 BTC
0.0002%
3
WEEX
BTC-USDC$0.9996
0.0002879 Eth
$251,374,271.00
2,546.162 BTC
0.0001%
4
Binance
BTC-USDC$1.00
0.0002879 Eth
$247,157,982.00
2,514.289 BTC
0.0001%
5
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002883 Eth
$191,005,818.00
965,843.731 SO11111111111111111111111111111111111111112
0.0525%
6
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$1.001
0.0002886 Eth
$151,534,078.00
152,219,485.851 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
8.2749%
7
Uniswap V3 (Ethereum)
0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.00
0.0002884 Eth
$147,415,918.00
42,333.223 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2
0.0023%
8
Binance
ETH-USDC$0.9995
0.0002881 Eth
$136,212,591.00
39,126.755 ETH
0.0021%
9
Raydium (CLMM)
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002883 Eth
$131,119,280.00
663,324.589 SO11111111111111111111111111111111111111112
0.0361%
10
Bybit
BTC-USDC$0.9993
0.0002881 Eth
$108,120,479.00
1,101.374 BTC
0.0001%
11
DigiFinex
BTC-USDC$0.9995
0.0002881 Eth
$71,549,573.00
723.245 BTC
0.0000%
12
Curve (Ethereum)
0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.00
0.0002884 Eth
$54,685,020.00
54,667,000.575 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5
2.9718%
13
Binance
SOL-USDC$0.9999
0.0002885 Eth
$52,980,063.00
267,872.407 SOL
0.0146%
14
Curve (Ethereum)
0X66A1E37C9B0EADDCA17D3662D6C05F4DECF3E110-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.00
0.0002885 Eth
$48,122,339.00
48,090,376.850 0X66A1E37C9B0EADDCA17D3662D6C05F4DECF3E110
2.6143%
15
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.001
0.0002885 Eth
$44,948,846.00
458.331 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
16
Binance
FDUSD-USDC$0.9993
0.0002881 Eth
$42,894,910.00
42,820,797.000 FDUSD
2.3278%
17
Uniswap V3 (Base)
0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006$1.001
0.0002885 Eth
$41,268,097.00
41,444,331.567 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913
2.2530%
18
DigiFinex
ETH-USDC$0.9995
0.0002881 Eth
$37,338,360.00
10,750.462 ETH
0.0006%
19
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$1.001
0.0002887 Eth
$34,832,269.00
34,639,532.721 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
1.8831%
20
Binance
XRP-USDC$1.00
0.0002883 Eth
$34,626,509.00
15,065,272.000 XRP
0.8190%
21
Meteora
2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002882 Eth
$32,805,038.00
899,885,305.755 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV
48.9190%
22
Velodrome SlipStream
0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006$0.9993
0.0002880 Eth
$32,242,190.00
32,414,826.412 0X0B2C639C533813F4AA9D7837CAF62653D097FF85
1.7621%
23
Biconomy.com
ETH-USDC$0.9998
0.0002884 Eth
$32,094,977.00
9,221.907 ETH
0.0005%
24
Kraken
USDC-USD$0.9999
0.0002878 Eth
$30,305,835.00
30,308,865.635 USDC
1.6476%
25
FameEX
USDC-USDT$1.00
0.0002884 Eth
$27,919,382.00
27,925,057.600 USDC
1.5180%
26
Uniswap V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0002884 Eth
$26,855,308.00
26,851,432.219 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
1.4597%
27
WhiteBIT
BTC-USDC$0.9997
0.0002883 Eth
$24,163,575.00
244.343 BTC
0.0000%
28
Orca
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002883 Eth
$21,235,040.00
4,995,082.860 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.2715%
29
Biconomy.com
BTC-USDC$0.9998
0.0002883 Eth
$20,926,531.00
213.021 BTC
0.0000%
30
Coinbase Exchange
USDT-USDC$1.00
0.0002883 Eth
$20,522,098.00
20,540,992.770 USDT
1.1166%
31
Azbit
ETH-USDC$0.9998
0.0002883 Eth
$20,320,125.00
5,834.473 ETH
0.0003%
32
LBank
ETH-USDC$1.00
0.0002885 Eth
$19,470,308.00
5,619.127 ETH
0.0003%
33
Hotcoin
BTC-USDC$0.9999
0.0002879 Eth
$17,720,666.00
179.613 BTC
0.0000%
34
Binance
DOGE-USDC$0.9993
0.0002881 Eth
$17,608,084.00
52,872,030.000 DOGE
2.8742%
35
XT.COM
ETH-USDC$1.00
0.0002883 Eth
$17,026,957.00
4,888.677 ETH
0.0003%
36
WhiteBIT
ETH-USDC$0.9993
0.0002881 Eth
$16,872,717.00
4,857.804 ETH
0.0003%
37
PancakeSwap V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0002884 Eth
$16,286,682.00
16,235,960.864 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.8826%
38
LFJ V2.1 (Avalanche)
0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$1.00
0.0002879 Eth
$16,179,182.00
395,936.336 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7
0.0215%
39
Binance
ADA-USDC$1.00
0.0002883 Eth
$15,526,853.00
16,828,422.800 ADA
0.9148%
40
Meteora
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002882 Eth
$15,450,918.00
3,631,650.453 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.1974%
41
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$1.00
0.0002883 Eth
$14,665,829.00
74,194.628 SO11111111111111111111111111111111111111112
0.0040%
42
LATOKEN
USDC-USDT$1.00
0.0002884 Eth
$14,226,549.00
14,225,407.794 USDC
0.7733%
43
Uniswap V3 (Avalanche)
0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$1.00
0.0002879 Eth
$12,798,471.00
312,828.124 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7
0.0170%
44
KuCoin
BTC-USDC$0.9993
0.0002881 Eth
$10,624,813.00
107.435 BTC
0.0000%
45
Hotcoin
ETH-USDC$1.00
0.0002883 Eth
$9,894,845.00
2,854.952 ETH
0.0002%
46
Deribit Spot
BTC-USDC$1.002
0.0002887 Eth
$8,499,009.00
86.429 BTC
0.0000%
47
KuCoin
ETH-USDC$0.9993
0.0002881 Eth
$7,555,675.00
2,176.535 ETH
0.0001%
48
Kraken
USDC-USDT$1.001
0.0002880 Eth
$6,803,956.00
6,798,932.621 USDC
0.3696%
49
Slex
ETH-USDC$0.9995
0.0002881 Eth
$6,761,998.00
1,942.743 ETH
0.0001%
50
Kraken
BTC-USDC$1.00
0.0002879 Eth
$6,732,056.00
68.032 BTC
0.0000%
51
KuCoin
USDC-USDT$1.00
0.0002883 Eth
$6,557,352.00
6,555,991.990 USDC
0.3564%
52
Binance
HBAR-USDC$1.00
0.0002883 Eth
$5,684,319.00
17,780,688.000 HBAR
0.9666%
53
Dex-Trade
BTC-USDC$0.9999
0.0002883 Eth
$5,675,763.00
57.548 BTC
0.0000%
54
Azbit
SOL-USDC$1.00
0.0002883 Eth
$5,602,726.00
28,318.581 SOL
0.0015%
55
HTX
BTC-USDC$1.00
0.0002879 Eth
$5,065,928.00
51.539 BTC
0.0000%
56
HTX
ETH-USDC$1.00
0.0002879 Eth
$4,790,387.00
1,375.874 ETH
0.0001%
57
QMall
ETH-USDC$0.9997
0.0002883 Eth
$4,656,933.00
1,337.161 ETH
0.0001%
58
Dex-Trade
ETH-USDC$1.00
0.0002879 Eth
$4,618,542.00
1,328.452 ETH
0.0001%
59
BingX
DOGE-USDC$0.9993
0.0002881 Eth
$4,321,905.00
12,975,971.000 DOGE
0.7054%
60
Azbit
LTC-USDC$1.00
0.0002883 Eth
$4,280,912.00
39,482.410 LTC
0.0021%
61
Tapbit
XRP-USDC$1.00
0.0002883 Eth
$3,920,541.00
1,707,832.000 XRP
0.0928%
62
Coinbase Exchange
EURC-USDC$0.9997
0.0002883 Eth
$3,857,266.00
3,714,225.000 EURC
0.2019%
63
BYDFi
BTC-USDC$0.9993
0.0002881 Eth
$3,535,474.00
35.746 BTC
0.0000%
64
Deribit Spot
ETH-USDC$0.9997
0.0002883 Eth
$3,468,403.00
996.863 ETH
0.0001%
65
Azbit
XRP-USDC$0.9998
0.0002883 Eth
$3,458,876.00
1,505,482.339 XRP
0.0818%
66
Cube
BTC-USDC$1.00
0.0002882 Eth
$3,009,196.00
30.627 BTC
0.0000%
67
WhiteBIT
XRP-USDC$0.9993
0.0002881 Eth
$2,978,718.00
1,300,726.800 XRP
0.0707%
68
BYDFi
ETH-USDC$0.9997
0.0002883 Eth
$2,894,646.00
835.020 ETH
0.0000%
69
KuCoin
USDT-USDC$1.00
0.0002883 Eth
$2,864,501.00
2,867,359.700 USDT
0.1559%
70
OKX
HBAR-USDC$0.9993
0.0002881 Eth
$2,850,997.00
9,080,432.519 HBAR
0.4936%
71
Binance
TURBO-USDC$1.00
0.0002882 Eth
$2,451,504.00
224,388,569.000 TURBO
12.1981%
72
PointPay
BTC-USDC$1.00
0.0002882 Eth
$2,319,798.00
23.595 BTC
0.0000%
73
PointPay
ETH-USDC$1.00
0.0002885 Eth
$2,283,268.00
655.156 ETH
0.0000%
74
BingX
ETH-USDC$0.9993
0.0002881 Eth
$2,277,817.00
654.286 ETH
0.0000%
75
Kraken
USDC-AUD$1.001
0.0002880 Eth
$2,128,365.00
2,127,170.599 USDC
0.1156%
76
tanX
BTC-USDC$1.00
0.0002883 Eth
$1,984,978.00
20.241 BTC
0.0000%
77
Deribit Spot
STETH-USDC$0.9993
0.0002881 Eth
$1,880,831.00
540.657 STETH
0.0000%
78
DeGate
ETH-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9972
0.0002874 Eth
$1,764,018.00
507.523 ETH
0.0000%
79
Binance
TAO-USDC$0.9993
0.0002881 Eth
$1,587,636.00
3,139.717 TAO
0.0002%
80
Azbit
ADA-USDC$1.00
0.0002884 Eth
$1,547,887.00
1,677,449.300 ADA
0.0912%
81
Cube
SOL-USDC$1.001
0.0002886 Eth
$1,384,485.00
6,994.901 SOL
0.0004%
82
WhiteBIT
ADA-USDC$0.9998
0.0002883 Eth
$1,331,961.00
1,464,194.400 ADA
0.0796%
83
Solidly V3 (Optimism)
0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607$0.9999
0.0002884 Eth
$1,178,421.00
1,178,550.101 0X0B2C639C533813F4AA9D7837CAF62653D097FF85
0.0641%
84
Biconomy.com
USDT-USDC$0.9997
0.0002879 Eth
$1,017,013.00
1,018,079.814 USDT
0.0553%
85
DeGate
0X4D1C297D39C5C1277964D0E3F8AA901493664530-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002881 Eth
$1,004,683.00
1,346,726.040 0X4D1C297D39C5C1277964D0E3F8AA901493664530
0.0732%
86
KuCoin
XRP-USDC$0.9993
0.0002881 Eth
$965,545.00
421,924.373 XRP
0.0229%
87
DeGate
0X808507121B80C02388FAD14726482E061B8DA827-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002881 Eth
$959,848.00
181,376.673 0X808507121B80C02388FAD14726482E061B8DA827
0.0099%
88
Dex-Trade
SOL-USDC$1.00
0.0002879 Eth
$894,603.00
4,499.348 SOL
0.0002%
89
WEEX
AVAX-USDC$1.00
0.0002879 Eth
$800,576.00
19,816.663 AVAX
0.0011%
90
OKX
NEAR-USDC$0.9993
0.0002881 Eth
$744,632.00
134,855.247 NEAR
0.0073%
91
Solidly V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.001
0.0002881 Eth
$597,447.00
597,348.393 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0325%
92
PointPay
SOL-USDC$1.00
0.0002883 Eth
$567,049.00
2,865.624 SOL
0.0002%
93
DeGate
0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002881 Eth
$540,684.00
886,105.180 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F
0.0482%
94
BingX
UNI-USDC$0.9993
0.0002881 Eth
$488,939.00
34,423.392 UNI
0.0019%
95
DeGate
0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002881 Eth
$446,047.00
553,524.560 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1
0.0301%
96
DeGate
0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002881 Eth
$382,699.00
69,284.857 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D
0.0038%
97
Azbit
DOT-USDC$1.00
0.0002886 Eth
$247,220.00
33,038.087 DOT
0.0018%
98
Solidly V3 (Base)
0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.00
0.0002883 Eth
$239,277.00
68.735 0X4200000000000000000000000000000000000006
0.0000%
99
DeGate
0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002881 Eth
$225,044.00
227,805.995 0X4E15361FD6B4BB609FA63C81A2BE19D873717870
0.0124%
100
DeGate
0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002881 Eth
$170,258.00
189,311.616 0X8687A10BCA6F139B25EB31020FCABB5782214764
0.0103%

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
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