ETH Price: $3,470.03 (+0.64%)

Token

USDC (USDC)
 

Overview

Max Total Supply

30,419,436,628.571637 USDC

Holders

2,509,253 ( 0.049%)

Market

Price

$1.00 @ 0.000288 ETH (-0.04%)

Onchain Market Cap

$30,412,896,449.70

Circulating Supply Market Cap

$43,244,437,063.00

Other Info

Token Contract (WITH 6 Decimals)

Filtered by Token Holder
defirules.eth
Balance
238.670869 USDC

Value
$238.62 ( ~0.0687659730501213 Eth) [0.0000%]
0x4411Da72127a132a3C997DB26d69C600107EcDa5
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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):$2,847,884,658.00
Market Capitalization:$43,244,437,063.00
Circulating Supply:43,258,632,639.00 USDC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Binance
BTC-USDC$0.9997
0.0002876 Eth
$236,142,865.00
2,400.500 BTC
0.0001%
2
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9998
0.0002876 Eth
$187,897,463.00
948,989.590 SO11111111111111111111111111111111111111112
0.0513%
3
Raydium (CLMM)
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9999
0.0002876 Eth
$126,777,502.00
640,473.078 SO11111111111111111111111111111111111111112
0.0346%
4
Binance
ETH-USDC$0.9988
0.0002872 Eth
$124,521,350.00
35,761.235 ETH
0.0019%
5
Bybit
BTC-USDC$1.00
0.0002876 Eth
$102,028,174.00
1,037.438 BTC
0.0001%
6
DigiFinex
BTC-USDC$1.00
0.0002877 Eth
$68,210,013.00
689.296 BTC
0.0000%
7
Binance
SOL-USDC$0.9993
0.0002873 Eth
$49,664,130.00
250,782.149 SOL
0.0135%
8
Binance
FDUSD-USDC$0.9993
0.0002873 Eth
$40,424,796.00
40,353,990.000 FDUSD
2.1798%
9
Uniswap V3 (Base)
0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913-0X4200000000000000000000000000000000000006$1.001
0.0002880 Eth
$40,070,250.00
40,108,494.993 0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913
2.1666%
10
DigiFinex
ETH-USDC$1.00
0.0002877 Eth
$34,083,692.00
9,821.186 ETH
0.0005%
11
Meteora
2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9999
0.0002876 Eth
$32,046,918.00
878,190,934.745 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV
47.4377%
12
Biconomy.com
ETH-USDC$1.00
0.0002874 Eth
$31,658,474.00
9,092.610 ETH
0.0005%
13
Uniswap V3 (Arbitrum One)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X2F2A2543B76A4166549F7AAB2E75BEF0AEFC5B0F$1.00
0.0002876 Eth
$31,586,484.00
31,356,066.237 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
1.6938%
14
Kraken
USDC-USD$1.00
0.0002877 Eth
$29,920,107.00
29,920,106.671 USDC
1.6162%
15
Camelot V3
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$1.001
0.0002879 Eth
$24,982,062.00
25,010,678.998 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
1.3510%
16
WhiteBIT
BTC-USDC$0.9988
0.0002872 Eth
$21,988,160.00
222.212 BTC
0.0000%
17
Orca
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9998
0.0002876 Eth
$20,935,872.00
4,922,809.144 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.2659%
18
Biconomy.com
BTC-USDC$0.9993
0.0002873 Eth
$20,481,223.00
208.394 BTC
0.0000%
19
Coinbase Exchange
USDT-USDC$0.9999
0.0002876 Eth
$19,969,366.00
19,989,249.200 USDT
1.0798%
20
Azbit
ETH-USDC$1.00
0.0002876 Eth
$18,906,218.00
5,422.355 ETH
0.0003%
21
PancakeSwap V3 (Base)
0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$0.9999
0.0002876 Eth
$18,417,299.00
5,290.131 0X4200000000000000000000000000000000000006
0.0003%
22
Binance
DOGE-USDC$0.9999
0.0002875 Eth
$17,248,372.00
51,744,194.000 DOGE
2.7951%
23
Hotcoin
BTC-USDC$0.9998
0.0002876 Eth
$16,769,773.00
169.393 BTC
0.0000%
24
PancakeSwap V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0002877 Eth
$16,649,210.00
16,598,102.716 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.8966%
25
Meteora
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9999
0.0002876 Eth
$15,807,400.00
3,714,300.483 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.2006%
26
XT.COM
ETH-USDC$0.9999
0.0002872 Eth
$15,607,494.00
4,477.241 ETH
0.0002%
27
Binance
ADA-USDC$1.001
0.0002878 Eth
$14,828,532.00
16,069,386.000 ADA
0.8680%
28
LFJ V2.1 (Avalanche)
0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$0.9999
0.0002876 Eth
$14,487,962.00
354,560.863 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7
0.0192%
29
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9998
0.0002876 Eth
$13,925,063.00
70,336.812 SO11111111111111111111111111111111111111112
0.0038%
30
PancakeSwap V3 (Arbitrum)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$1.00
0.0002876 Eth
$11,951,322.00
11,955,582.807 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.6458%
31
Meteora
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9999
0.0002876 Eth
$11,327,633.00
57,188.321 SO11111111111111111111111111111111111111112
0.0031%
32
SushiSwap V3 (Base)
0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.00
0.0002876 Eth
$11,231,031.00
3,224.424 0X4200000000000000000000000000000000000006
0.0002%
33
LFJ V2.2 (Avalanche)
0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$0.9999
0.0002876 Eth
$9,528,952.00
9,537,678.269 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7
0.5152%
34
Hotcoin
ETH-USDC$0.9998
0.0002876 Eth
$9,382,589.00
2,703.384 ETH
0.0001%
35
KuCoin
BTC-USDC$0.9998
0.0002876 Eth
$9,121,871.00
92.084 BTC
0.0000%
36
Uniswap V3 (Base)
0X4F9FD6BE4A90F2620860D680C0D4D5FB53D1A825-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$0.9972
0.0002868 Eth
$8,988,937.00
27,947,910.241 0X4F9FD6BE4A90F2620860D680C0D4D5FB53D1A825
1.5097%
37
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$0.9997
0.0002875 Eth
$8,963,314.00
8,966,721.328 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.4844%
38
Dexalot
USDT-USDC$1.00
0.0002875 Eth
$8,944,699.00
8,950,797.544 USDT
0.4835%
39
Deribit Spot
BTC-USDC$1.001
0.0002881 Eth
$8,566,996.00
87.200 BTC
0.0000%
40
Camelot V3
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$1.001
0.0002878 Eth
$8,378,626.00
8,373,584.011 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.4523%
41
Meteora
2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9999
0.0002876 Eth
$8,302,032.00
227,182,694.524 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV
12.2718%
42
Coinstore
USDC-USDT$1.00
0.0002877 Eth
$7,734,405.00
7,735,464.210 USDC
0.4179%
43
PancakeSwap V3 (Ethereum)
0XAF5191B0DE278C7286D6C7CC6AB6BB8A73BA2CD6-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.00
0.0002877 Eth
$7,620,154.00
19,055,691.503 0XAF5191B0DE278C7286D6C7CC6AB6BB8A73BA2CD6
1.0293%
44
KuCoin
ETH-USDC$0.9998
0.0002876 Eth
$7,328,515.00
2,109.009 ETH
0.0001%
45
Uniswap V3 (Optimism)
0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X4200000000000000000000000000000000000006$1.002
0.0002881 Eth
$6,567,548.00
6,573,656.892 0X0B2C639C533813F4AA9D7837CAF62653D097FF85
0.3551%
46
KuCoin
USDC-USDT$1.00
0.0002876 Eth
$6,333,665.00
6,333,445.750 USDC
0.3421%
47
Slex
ETH-USDC$0.9999
0.0002875 Eth
$6,246,668.00
1,792.443 ETH
0.0001%
48
Azbit
SOL-USDC$0.9993
0.0002873 Eth
$5,276,377.00
26,642.948 SOL
0.0014%
49
Dex-Trade
BTC-USDC$0.9999
0.0002876 Eth
$5,152,063.00
51.981 BTC
0.0000%
50
HTX
BTC-USDC$0.9998
0.0002876 Eth
$4,979,680.00
50.637 BTC
0.0000%
51
HTX
ETH-USDC$0.9998
0.0002876 Eth
$4,711,055.00
1,353.055 ETH
0.0001%
52
QMall
ETH-USDC$0.9988
0.0002872 Eth
$4,335,497.00
1,244.630 ETH
0.0001%
53
Azbit
LTC-USDC$0.9993
0.0002873 Eth
$4,292,183.00
39,601.093 LTC
0.0021%
54
BingX
DOGE-USDC$0.9998
0.0002876 Eth
$4,212,178.00
12,636,712.000 DOGE
0.6826%
55
Tapbit
XRP-USDC$1.00
0.0002873 Eth
$3,997,057.00
1,740,840.000 XRP
0.0940%
56
Coinbase Exchange
EURC-USDC$0.9994
0.0002873 Eth
$3,803,239.00
3,662,426.000 EURC
0.1978%
57
BYDFi
BTC-USDC$0.9999
0.0002877 Eth
$3,382,232.00
34.116 BTC
0.0000%
58
Azbit
XRP-USDC$1.00
0.0002874 Eth
$3,219,869.00
1,401,411.130 XRP
0.0757%
59
OKX
HBAR-USDC$0.9998
0.0002876 Eth
$2,824,486.00
8,995,947.344 HBAR
0.4859%
60
Cube
BTC-USDC$0.9999
0.0002872 Eth
$2,804,420.00
28.523 BTC
0.0000%
61
WhiteBIT
XRP-USDC$0.9999
0.0002876 Eth
$2,738,252.00
1,185,407.100 XRP
0.0640%
62
BYDFi
ETH-USDC$0.9999
0.0002871 Eth
$2,707,117.00
777.443 ETH
0.0000%
63
Binance
PENGU-USDC$1.00
0.0002873 Eth
$2,579,107.00
70,685,906.000 PENGU
3.8183%
64
Binance
TURBO-USDC$0.9999
0.0002877 Eth
$2,426,927.00
221,241,251.000 TURBO
11.9509%
65
KuCoin
USDT-USDC$0.9998
0.0002876 Eth
$2,303,826.00
2,306,481.780 USDT
0.1246%
66
Binance US
BTC-USDC$1.00
0.0002876 Eth
$2,023,489.00
20.439 BTC
0.0000%
67
PointPay
ETH-USDC$0.9999
0.0002876 Eth
$1,958,036.00
561.408 ETH
0.0000%
68
Deribit Spot
STETH-USDC$0.9999
0.0002876 Eth
$1,919,756.00
551.521 STETH
0.0000%
69
DeGate
ETH-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9987
0.0002873 Eth
$1,719,552.00
493.825 ETH
0.0000%
70
Binance
TAO-USDC$0.9999
0.0002875 Eth
$1,553,638.00
3,066.390 TAO
0.0002%
71
Backpack Exchange
SOL-USDC$0.9993
0.0002874 Eth
$1,474,230.00
7,455.830 SOL
0.0004%
72
Azbit
ADA-USDC$0.9993
0.0002873 Eth
$1,454,037.00
1,578,424.770 ADA
0.0853%
73
Binance
OP-USDC$1.001
0.0002876 Eth
$1,436,850.00
745,035.590 OP
0.0402%
74
Cube
SOL-USDC$1.001
0.0002875 Eth
$1,412,890.00
7,133.135 SOL
0.0004%
75
WhiteBIT
ADA-USDC$0.9994
0.0002873 Eth
$1,289,890.00
1,407,217.400 ADA
0.0760%
76
Deribit Spot
XRP-USDC$1.00
0.0002876 Eth
$1,243,667.00
542,334.000 XRP
0.0293%
77
KuCoin
XRP-USDC$0.9998
0.0002876 Eth
$901,566.00
390,499.894 XRP
0.0211%
78
Dex-Trade
SOL-USDC$1.00
0.0002872 Eth
$879,436.00
4,411.275 SOL
0.0002%
79
WEEX
AVAX-USDC$0.9999
0.0002876 Eth
$801,595.00
19,859.061 AVAX
0.0011%
80
Vertex (Spot)
WBTC-USDC$1.00
0.0002876 Eth
$724,523.00
7.400 WBTC
0.0000%
81
OKX
NEAR-USDC$0.9998
0.0002876 Eth
$704,961.00
127,591.412 NEAR
0.0069%
82
DeGate
0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002872 Eth
$552,631.00
902,377.440 0X44108F0223A3C3028F5FE7AEC7F9BB2E66BEF82F
0.0487%
83
PointPay
SOL-USDC$0.9999
0.0002875 Eth
$518,544.00
2,614.582 SOL
0.0001%
84
BingX
UNI-USDC$0.9998
0.0002876 Eth
$465,645.00
32,827.355 UNI
0.0018%
85
DeGate
0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$432,201.00
536,252.080 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1
0.0290%
86
BitMart
TUSD-USDC$0.9998
0.0002876 Eth
$421,223.00
421,379.800 TUSD
0.0228%
87
DeGate
0X7420B4B9A0110CDC71FB720908340C03F9BC03EC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$414,569.00
10,551,653.100 0X7420B4B9A0110CDC71FB720908340C03F9BC03EC
0.5700%
88
DeGate
0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$367,448.00
66,500.800 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D
0.0036%
89
DeGate
0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$245,464.00
5,359,441.200 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71
0.2895%
90
Solidly V3 (Base)
0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$1.001
0.0002878 Eth
$225,582.00
64.718 0X4200000000000000000000000000000000000006
0.0000%
91
DeGate
0X3845BADADE8E6DFF049820680D1F14BD3903A5D0-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$218,690.00
352,875.160 0X3845BADADE8E6DFF049820680D1F14BD3903A5D0
0.0191%
92
DeGate
0X84074EA631DEC7A4EDCD5303D164D5DEA4C653D6-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002872 Eth
$217,512.00
47,806.634 0X84074EA631DEC7A4EDCD5303D164D5DEA4C653D6
0.0026%
93
DeGate
0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$217,151.00
219,643.045 0X4E15361FD6B4BB609FA63C81A2BE19D873717870
0.0119%
94
DeGate
0X6985884C4392D348587B19CB9EAAF157F13271CD-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002872 Eth
$216,132.00
35,606.604 0X6985884C4392D348587B19CB9EAAF157F13271CD
0.0019%
95
DeGate
0X8687A10BCA6F139B25EB31020FCABB5782214764-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002872 Eth
$165,674.00
183,959.390 0X8687A10BCA6F139B25EB31020FCABB5782214764
0.0099%
96
DeGate
0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$158,622.00
194,954.390 0X467719AD09025FCC6CF6F8311755809D45A5E5F3
0.0105%
97
DeGate
0XCA14007EFF0DB1F8135F4C25B34DE49AB0D42766-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$155,744.00
310,575.590 0XCA14007EFF0DB1F8135F4C25B34DE49AB0D42766
0.0168%
98
DeGate
0X0F5D2FB29FB7D3CFEE444A200298F468908CC942-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.999
0.0002872 Eth
$137,144.00
257,285.800 0X0F5D2FB29FB7D3CFEE444A200298F468908CC942
0.0139%
99
DeGate
0XBB0E17EF65F82AB018D8EDD776E8DD940327B28B-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$120,934.00
17,734.390 0XBB0E17EF65F82AB018D8EDD776E8DD940327B28B
0.0010%
100
DeGate
0X0BC529C00C6401AEF6D220BE8C6EA1667F6AD93E-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9996
0.0002872 Eth
$93,419.00
10.131 0X0BC529C00C6401AEF6D220BE8C6EA1667F6AD93E
0.0000%

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

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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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