ETH Price: $3,477.28 (-0.37%)

Token

USDC (USDC)
 

Overview

Max Total Supply

30,421,314,531.744053 USDC

Holders

2,509,472 ( 0.062%)

Market

Price

$1.00 @ 0.000288 ETH (+0.06%)

Onchain Market Cap

$30,451,735,846.28

Circulating Supply Market Cap

$43,356,633,871.00

Other Info

Token Contract (WITH 6 Decimals)

Filtered by Token Holder
proudape.eth
Balance
183.191086 USDC

Value
$183.37 ( ~0.0527337704075064 Eth) [0.0000%]
0x81dcab1513d88478a3536348d6d7560f2d8762a4
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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):$3,388,915,773.00
Market Capitalization:$43,356,633,871.00
Circulating Supply:43,259,250,811.00 USDC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Azbit
BTC-USDC$0.9995
0.0002878 Eth
$298,526,094.00
3,032.746 BTC
0.0002%
2
WEEX
BTC-USDC$0.9993
0.0002878 Eth
$251,698,346.00
2,549.943 BTC
0.0002%
3
Binance
BTC-USDC$0.9999
0.0002877 Eth
$244,704,800.00
2,484.804 BTC
0.0002%
4
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9993
0.0002878 Eth
$192,899,138.00
974,669.513 SO11111111111111111111111111111111111111112
0.0611%
5
Uniswap V3 (Ethereum)
0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.00
0.0002878 Eth
$140,191,606.00
40,249.565 0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2
0.0025%
6
Aerodrome SlipStream
0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$0.9999
0.0002878 Eth
$131,633,681.00
1,337.811 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF
0.0001%
7
Raydium (CLMM)
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9999
0.0002878 Eth
$127,106,004.00
641,942.925 SO11111111111111111111111111111111111111112
0.0402%
8
Binance
ETH-USDC$0.9993
0.0002876 Eth
$123,459,251.00
35,441.267 ETH
0.0022%
9
Bybit
BTC-USDC$0.9993
0.0002876 Eth
$103,070,962.00
1,048.068 BTC
0.0001%
10
DigiFinex
BTC-USDC$0.9997
0.0002877 Eth
$70,337,467.00
711.914 BTC
0.0000%
11
Curve (Ethereum)
0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.00
0.0002880 Eth
$57,201,118.00
57,175,486.513 0X73A15FED60BF67631DC6CD7BC5B6E8DA8190ACF5
3.5848%
12
Binance
SOL-USDC$1.00
0.0002884 Eth
$48,101,739.00
242,548.124 SOL
0.0152%
13
Binance
FDUSD-USDC$0.9996
0.0002872 Eth
$41,669,913.00
41,579,807.000 FDUSD
2.6070%
14
DigiFinex
ETH-USDC$0.9997
0.0002877 Eth
$33,870,159.00
9,741.126 ETH
0.0006%
15
Meteora
2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9993
0.0002876 Eth
$31,818,538.00
871,107,385.198 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV
54.6172%
16
Biconomy.com
ETH-USDC$0.9995
0.0002878 Eth
$31,492,322.00
9,051.000 ETH
0.0006%
17
Uniswap V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0002878 Eth
$30,830,053.00
30,829,649.724 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
1.9330%
18
Binance
XRP-USDC$0.9993
0.0002876 Eth
$30,163,390.00
13,150,637.000 XRP
0.8245%
19
Kraken
USDC-USD$1.00
0.0002878 Eth
$28,831,325.00
28,831,324.844 USDC
1.8077%
20
WhiteBIT
BTC-USDC$1.00
0.0002875 Eth
$21,809,774.00
220.302 BTC
0.0000%
21
Orca
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9993
0.0002878 Eth
$21,047,806.00
4,949,952.657 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.3104%
22
Biconomy.com
BTC-USDC$0.9995
0.0002878 Eth
$20,763,202.00
211.079 BTC
0.0000%
23
LBank
ETH-USDC$0.9998
0.0002873 Eth
$19,041,583.00
5,480.078 ETH
0.0003%
24
Azbit
ETH-USDC$0.9995
0.0002878 Eth
$18,409,586.00
5,282.595 ETH
0.0003%
25
Binance
DOGE-USDC$0.9999
0.0002877 Eth
$17,176,565.00
51,563,860.000 DOGE
3.2330%
26
Meteora
27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9993
0.0002878 Eth
$16,932,116.00
3,980,591.521 27G8MTK7VTTCCHKPASJSDDKWWYFOQT6GGEUKIDVJIDD4
0.2496%
27
PancakeSwap V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0002880 Eth
$16,848,023.00
16,798,319.599 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
1.0532%
28
Hotcoin
BTC-USDC$0.9992
0.0002876 Eth
$16,099,058.00
163.081 BTC
0.0000%
29
XT.COM
ETH-USDC$1.00
0.0002877 Eth
$15,437,412.00
4,427.869 ETH
0.0003%
30
LFJ V2.1 (Avalanche)
0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$0.9997
0.0002879 Eth
$14,533,205.00
356,851.442 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7
0.0224%
31
Orca
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9993
0.0002878 Eth
$13,777,343.00
69,600.359 SO11111111111111111111111111111111111111112
0.0044%
32
LATOKEN
USDC-USDT$0.9993
0.0002877 Eth
$12,879,068.00
12,887,759.758 USDC
0.8080%
33
Uniswap V3 (Avalanche)
0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$0.9997
0.0002879 Eth
$12,579,168.00
308,273.511 0XB31F66AA3C1E785363F0875A1B74E27B85FD66C7
0.0193%
34
PancakeSwap V3 (Arbitrum)
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0X82AF49447D8A07E3BD95BD0D56F35241523FBAB1$0.9999
0.0002879 Eth
$12,041,574.00
12,057,751.414 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.7560%
35
Meteora
SO11111111111111111111111111111111111111112-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9993
0.0002876 Eth
$11,701,385.00
59,111.145 SO11111111111111111111111111111111111111112
0.0037%
36
Uniswap V3 (Polygon)
0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359-0X2791BCA1F2DE4661ED88A30C99A7A9449AA84174$0.9996
0.0002877 Eth
$9,546,297.00
9,550,782.593 0X3C499C542CEF5E3811E1192CE70D8CC03D5C3359
0.5988%
37
Dexalot
USDT-USDC$0.9999
0.0002890 Eth
$9,186,207.00
9,194,424.436 USDT
0.5765%
38
Hotcoin
ETH-USDC$0.9999
0.0002878 Eth
$9,160,691.00
2,634.514 ETH
0.0002%
39
KuCoin
BTC-USDC$0.9998
0.0002878 Eth
$8,635,908.00
87.456 BTC
0.0000%
40
Camelot V3
0XAF88D065E77C8CC2239327C5EDB3A432268E5831-0XFF970A61A04B1CA14834A43F5DE4533EBDDB5CC8$0.9992
0.0002877 Eth
$8,353,047.00
8,359,748.758 0XAF88D065E77C8CC2239327C5EDB3A432268E5831
0.5241%
41
LFJ V2.2 (Avalanche)
0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7-0XB97EF9EF8734C71904D8002F8B6BC66DD9C48A6E$0.9999
0.0002878 Eth
$8,324,649.00
8,332,311.183 0X9702230A8EA53601F5CD2DC00FDBC13D4DF4A8C7
0.5224%
42
Meteora
2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV-EPJFWDD5AUFQSSQEM2QN1XZYBAPC8G4WEGGKZWYTDT1V$0.9993
0.0002876 Eth
$8,256,048.00
225,813,687.223 2ZMMHCVQEXDTDE6VSFS7S7D5OUODFJHE8VD1GNBOUAUV
14.1582%
43
PancakeSwap V3 (Ethereum)
0XAF5191B0DE278C7286D6C7CC6AB6BB8A73BA2CD6-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$1.00
0.0002880 Eth
$8,056,888.00
20,075,858.285 0XAF5191B0DE278C7286D6C7CC6AB6BB8A73BA2CD6
1.2587%
44
Deribit Spot
BTC-USDC$0.999
0.0002875 Eth
$8,006,360.00
81.457 BTC
0.0000%
45
Coinstore
USDC-USDT$1.00
0.0002878 Eth
$7,610,879.00
7,610,008.550 USDC
0.4771%
46
Kraken
USDC-USDT$1.00
0.0002878 Eth
$6,573,576.00
6,573,137.766 USDC
0.4121%
47
Slex
ETH-USDC$0.9993
0.0002878 Eth
$6,137,760.00
1,762.376 ETH
0.0001%
48
KuCoin
ETH-USDC$0.9998
0.0002878 Eth
$5,635,710.00
1,622.425 ETH
0.0001%
49
Azbit
SOL-USDC$0.9995
0.0002878 Eth
$5,118,129.00
25,821.163 SOL
0.0016%
50
HTX
BTC-USDC$0.9993
0.0002876 Eth
$5,050,096.00
51.362 BTC
0.0000%
51
Binance
HBAR-USDC$0.9998
0.0002877 Eth
$4,863,722.00
15,318,768.000 HBAR
0.9605%
52
HTX
ETH-USDC$0.9993
0.0002876 Eth
$4,768,766.00
1,370.862 ETH
0.0001%
53
QMall
ETH-USDC$1.00
0.0002875 Eth
$4,341,853.00
1,245.332 ETH
0.0001%
54
Azbit
LTC-USDC$0.9999
0.0002876 Eth
$4,330,669.00
39,923.164 LTC
0.0025%
55
Deribit Spot
ETH-USDC$0.9992
0.0002878 Eth
$4,278,016.00
1,230.941 ETH
0.0001%
56
BingX
DOGE-USDC$0.9998
0.0002878 Eth
$4,231,335.00
12,702,513.000 DOGE
0.7964%
57
KuCoin
USDC-USDT$1.00
0.0002878 Eth
$4,209,652.00
4,209,792.770 USDC
0.2639%
58
Tapbit
XRP-USDC$1.00
0.0002877 Eth
$4,041,176.00
1,760,989.000 XRP
0.1104%
59
Coinbase Exchange
EURC-USDC$0.9992
0.0002878 Eth
$3,604,953.00
3,471,590.000 EURC
0.2177%
60
BYDFi
BTC-USDC$0.9998
0.0002882 Eth
$3,516,794.00
35.624 BTC
0.0000%
61
Azbit
XRP-USDC$0.9995
0.0002878 Eth
$3,026,749.00
1,319,257.055 XRP
0.0827%
62
OKX
HBAR-USDC$0.9999
0.0002878 Eth
$2,975,860.00
9,488,753.311 HBAR
0.5949%
63
BYDFi
ETH-USDC$0.9993
0.0002878 Eth
$2,654,317.00
764.184 ETH
0.0000%
64
Binance
PENGU-USDC$0.9993
0.0002876 Eth
$2,642,263.00
72,355,170.000 PENGU
4.5366%
65
WhiteBIT
XRP-USDC$1.00
0.0002875 Eth
$2,599,601.00
1,129,127.500 XRP
0.0708%
66
PointPay
BTC-USDC$0.9998
0.0002878 Eth
$2,441,138.00
24.776 BTC
0.0000%
67
tanX
BTC-USDC$0.9992
0.0002878 Eth
$2,309,325.00
23.530 BTC
0.0000%
68
KuCoin
USDT-USDC$0.9998
0.0002878 Eth
$2,282,841.00
2,285,362.400 USDT
0.1433%
69
Deribit Spot
STETH-USDC$0.9999
0.0002877 Eth
$2,112,975.00
607.389 STETH
0.0000%
70
Binance US
BTC-USDC$1.001
0.0002884 Eth
$2,087,788.00
21.140 BTC
0.0000%
71
PointPay
ETH-USDC$0.9999
0.0002877 Eth
$2,052,224.00
588.714 ETH
0.0000%
72
Bitget
ARB-USDC$0.9993
0.0002876 Eth
$1,785,735.00
2,222,611.900 ARB
0.1394%
73
Binance
TAO-USDC$0.9993
0.0002876 Eth
$1,642,764.00
3,247.399 TAO
0.0002%
74
Backpack Exchange
SOL-USDC$0.9988
0.0002875 Eth
$1,486,831.00
7,521.460 SOL
0.0005%
75
Deribit Spot
XRP-USDC$0.9992
0.0002878 Eth
$1,473,415.00
642,799.000 XRP
0.0403%
76
Azbit
ADA-USDC$0.9995
0.0002878 Eth
$1,380,260.00
1,501,549.430 ADA
0.0941%
77
Binance
RUNE-USDC$1.00
0.0002884 Eth
$1,363,262.00
259,347.400 RUNE
0.0163%
78
Cube
SOL-USDC$0.9981
0.0002872 Eth
$1,307,539.00
6,609.239 SOL
0.0004%
79
Solidly V3 (Optimism)
0X0B2C639C533813F4AA9D7837CAF62653D097FF85-0X7F5C764CBC14F9669B88837CA1490CCA17C31607$1.00
0.0002878 Eth
$1,278,730.00
1,278,691.182 0X0B2C639C533813F4AA9D7837CAF62653D097FF85
0.0802%
80
WhiteBIT
ADA-USDC$1.00
0.0002875 Eth
$1,164,191.00
1,272,148.500 ADA
0.0798%
81
Biconomy.com
USDT-USDC$0.9998
0.0002878 Eth
$871,059.00
871,920.428 USDT
0.0547%
82
Vertex (Spot)
WBTC-USDC$0.9992
0.0002878 Eth
$869,698.00
8.884 WBTC
0.0000%
83
Dex-Trade
SOL-USDC$0.9993
0.0002877 Eth
$851,807.00
4,348.293 SOL
0.0003%
84
KuCoin
XRP-USDC$0.9998
0.0002878 Eth
$816,750.00
355,106.688 XRP
0.0223%
85
WEEX
AVAX-USDC$0.9997
0.0002879 Eth
$802,864.00
19,957.144 AVAX
0.0013%
86
Kraken
USDC-CHF$1.00
0.0002878 Eth
$788,858.00
788,846.351 USDC
0.0495%
87
Solidly V3 (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0XDAC17F958D2EE523A2206206994597C13D831EC7$1.00
0.0002879 Eth
$577,205.00
577,416.598 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.0362%
88
OKX
NEAR-USDC$0.9999
0.0002878 Eth
$575,993.00
104,358.492 NEAR
0.0065%
89
OKX
AGLD-USDC$0.9999
0.0002878 Eth
$567,439.00
257,108.495 AGLD
0.0161%
90
BingX
UNI-USDC$0.9998
0.0002878 Eth
$453,087.00
32,107.170 UNI
0.0020%
91
DeGate
0XB50721BCF8D664C30412CFBC6CF7A15145234AD1-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002877 Eth
$434,296.00
539,842.050 0XB50721BCF8D664C30412CFBC6CF7A15145234AD1
0.0338%
92
DeGate
0X7420B4B9A0110CDC71FB720908340C03F9BC03EC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002876 Eth
$413,206.00
10,519,238.400 0X7420B4B9A0110CDC71FB720908340C03F9BC03EC
0.6595%
93
DeGate
0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002876 Eth
$369,766.00
67,073.199 0X1C88D38D04ACD3EDD9051EC587C67ABFF04BF30D
0.0042%
94
DeGate
0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002877 Eth
$248,369.00
5,429,662.800 0X7A58C0BE72BE218B41C608B7FE7C5BB630736C71
0.3404%
95
DeGate
0X84074EA631DEC7A4EDCD5303D164D5DEA4C653D6-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002876 Eth
$220,545.00
48,530.325 0X84074EA631DEC7A4EDCD5303D164D5DEA4C653D6
0.0030%
96
DeGate
0X3845BADADE8E6DFF049820680D1F14BD3903A5D0-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002877 Eth
$218,748.00
353,856.090 0X3845BADADE8E6DFF049820680D1F14BD3903A5D0
0.0222%
97
DeGate
0X6985884C4392D348587B19CB9EAAF157F13271CD-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002876 Eth
$217,636.00
35,769.808 0X6985884C4392D348587B19CB9EAAF157F13271CD
0.0022%
98
DeGate
0X4E15361FD6B4BB609FA63C81A2BE19D873717870-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002876 Eth
$216,738.00
219,738.982 0X4E15361FD6B4BB609FA63C81A2BE19D873717870
0.0138%
99
Solidly V3 (Base)
0X4200000000000000000000000000000000000006-0X833589FCD6EDB6E08F4C7C32D4F71B54BDA02913$0.9993
0.0002878 Eth
$211,639.00
60.797 0X4200000000000000000000000000000000000006
0.0000%
100
DeGate
0X467719AD09025FCC6CF6F8311755809D45A5E5F3-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$0.9993
0.0002877 Eth
$160,389.00
197,504.190 0X467719AD09025FCC6CF6F8311755809D45A5E5F3
0.0124%

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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