ETH Price: $3,865.84 (-1.74%)

Token

Wrapped BTC (WBTC)
 

Overview

Max Total Supply

136,573.97433978 WBTC

Holders

104,400 ( 0.028%)

Market

Price

$97,928.00 @ 25.331643 ETH (-4.04%)

Onchain Market Cap

$13,374,416,159.15

Circulating Supply Market Cap

$13,374,324,384.00

Other Info

Token Contract (WITH 8 Decimals)

Balance
0.00106903 WBTC

Value
$104.69 ( ~0.027080811485667 Eth) [0.0000%]
0x48f57a9a6ab95f4c5a554c3203bb9aaaa0c0ec46
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OVERVIEW

Wrapped Bitcoin (WBTC) is an ERC20 token backed 1:1 with Bitcoin. Completely transparent. 100% verifiable. Community led.

Market

Volume (24H):$847,664,862.00
Market Capitalization:$13,374,324,384.00
Circulating Supply:136,574.00 WBTC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Uniswap V3 (Ethereum)
0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,313.00
25.3767350 Eth
$218,868,402.00
2,218.789 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF
0.0018%
2
Bitrue
WBTC-BTC$98,050.00
25.3051780 Eth
$99,707,224.00
1,016.900 WBTC
0.0008%
3
Binance
WBTC-BTC$98,103.00
25.3109900 Eth
$86,356,633.00
881.632 WBTC
0.0007%
4
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XDAC17F958D2EE523A2206206994597C13D831EC7$98,113.00
25.3250790 Eth
$86,065,745.00
888.569 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0007%
5
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$98,313.00
25.3767350 Eth
$69,933,628.00
703.790 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0006%
6
Binance
WBTC-USDT$97,969.00
25.2672240 Eth
$60,257,735.00
611.769 WBTC
0.0005%
7
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$98,412.00
25.4022040 Eth
$26,520,747.00
269.496 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0002%
8
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$97,603.00
25.1935520 Eth
$24,365,380.00
242.842 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0002%
9
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XDAC17F958D2EE523A2206206994597C13D831EC7$98,017.00
25.3003180 Eth
$13,429,402.00
139.160 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0001%
10
Uniswap V3 (Ethereum)
0X18084FBA666A33D37592FA2633FD49A74DD93A88-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,313.00
25.3767350 Eth
$11,355,673.00
115.498 0X18084FBA666A33D37592FA2633FD49A74DD93A88
0.0001%
11
Curve (Ethereum)
0X18084FBA666A33D37592FA2633FD49A74DD93A88-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,931.00
25.2943910 Eth
$10,131,517.00
103.429 0X18084FBA666A33D37592FA2633FD49A74DD93A88
0.0001%
12
Tokenize
WBTC-BTC$97,130.00
25.0507830 Eth
$8,349,184.00
85.959 WBTC
0.0001%
13
Vertex (Spot)
WBTC-USDC$97,740.00
25.2400610 Eth
$7,151,505.00
72.412 WBTC
0.0001%
14
Bitunix
WBTC-USDT$97,972.00
25.3031900 Eth
$5,890,871.00
60.130 WBTC
0.0000%
15
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$97,485.00
25.1630230 Eth
$5,257,792.00
53.646 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
16
Uniswap V3 (Ethereum)
0X8236A87084F8B84306F72007F36F2618A5634494-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,039.00
25.3860170 Eth
$5,168,646.00
52.669 0X8236A87084F8B84306F72007F36F2618A5634494
0.0000%
17
Uniswap V3 (Ethereum)
0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,715.00
25.2224050 Eth
$4,127,934.00
42.118 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF
0.0000%
18
Tokpie
WBTC-USDT$97,824.00
25.2633560 Eth
$3,990,706.00
40.795 WBTC
0.0000%
19
Curve (Ethereum)
0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,759.00
25.3126350 Eth
$3,445,377.00
35.122 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF
0.0000%
20
Coinbase Exchange
WBTC-BTC$97,990.00
25.3097500 Eth
$3,340,759.00
34.093 WBTC
0.0000%
21
Sushiswap
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$97,835.00
25.3332120 Eth
$1,783,915.00
18.216 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
22
DigiFinex
WBTC-BTC$97,896.00
25.3490940 Eth
$1,708,940.00
17.457 WBTC
0.0000%
23
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$98,037.00
25.3054400 Eth
$1,513,741.00
14.879 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
24
Pionex
WBTC-BTC$98,041.00
25.3180100 Eth
$1,395,676.00
14.259 WBTC
0.0000%
25
Curve (Ethereum)
0XDAC17F958D2EE523A2206206994597C13D831EC7-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,759.00
25.3126350 Eth
$1,227,083.00
1,237,162.429 0XDAC17F958D2EE523A2206206994597C13D831EC7
1.0143%
26
Azbit
WBTC-ETH$97,676.00
25.2267690 Eth
$973,128.00
9.850 WBTC
0.0000%
27
DeGate
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$98,215.00
25.3658760 Eth
$884,290.00
8.977 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
28
Kraken
WBTC-XBT$97,981.00
25.3074670 Eth
$862,191.00
8.800 WBTC
0.0000%
29
OKX
WBTC-USDT$97,952.00
25.3607100 Eth
$816,337.00
8.378 WBTC
0.0000%
30
Coinbase Exchange
WBTC-USD$97,860.00
25.2711910 Eth
$813,435.00
8.312 WBTC
0.0000%
31
Curve (Ethereum)
0XDAC17F958D2EE523A2206206994597C13D831EC7-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,975.00
25.2737190 Eth
$793,182.00
790,600.464 0XDAC17F958D2EE523A2206206994597C13D831EC7
0.6482%
32
BingX
WBTC-USDT$97,882.00
25.3455060 Eth
$758,210.00
7.707 WBTC
0.0000%
33
OKX
WBTC-BTC$97,864.00
25.3379640 Eth
$751,473.00
7.681 WBTC
0.0000%
34
Bybit
WBTC-BTC$97,818.00
25.3290360 Eth
$632,889.00
6.471 WBTC
0.0000%
35
Uniswap V2 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$97,853.00
25.3379010 Eth
$558,654.00
5.667 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
36
Bybit
WBTC-USDT$97,960.00
25.3656910 Eth
$538,845.00
5.449 WBTC
0.0000%
37
KuCoin
WBTC-USDT$97,824.00
25.3305060 Eth
$530,471.00
5.423 WBTC
0.0000%
38
Uniswap V3 (Ethereum)
0X3472A5A71965499ACD81997A54BBA8D852C6E53D-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,313.00
25.3767350 Eth
$515,497.00
114,302.082 0X3472A5A71965499ACD81997A54BBA8D852C6E53D
0.0937%
39
MEXC
WBTC-USDT$98,007.00
25.3093100 Eth
$503,932.00
5.142 WBTC
0.0000%
40
Curve (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$98,139.00
25.3317190 Eth
$502,627.00
5.122 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
41
Azbit
WBTC-USDT$97,898.00
25.2660000 Eth
$443,905.00
4.488 WBTC
0.0000%
42
Curve (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,872.00
25.2791480 Eth
$438,516.00
437,487.189 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.3587%
43
Tokpie
ETH-WBTC$98,098.00
25.3103160 Eth
$395,354.00
102.132 ETH
0.0001%
44
BitMart
WBTC-USDT$98,044.00
25.3775050 Eth
$377,701.00
3.852 WBTC
0.0000%
45
Azbit
WBTC-BTC$98,100.00
25.3081460 Eth
$363,304.00
3.709 WBTC
0.0000%
46
Tokpie
BNB-WBTC$97,919.00
25.2878670 Eth
$355,118.00
496.539 BNB
0.0004%
47
Curve (Ethereum)
0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,914.00
25.2839560 Eth
$352,213.00
3.602 0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642
0.0000%
48
Curve (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$98,241.00
25.4841010 Eth
$324,284.00
3.285 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
49
Uniswap V3 (Ethereum)
0X9BE89D2A4CD102D8FECC6BF9DA793BE995C22541-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,733.00
25.2271110 Eth
$300,215.00
3.070 0X9BE89D2A4CD102D8FECC6BF9DA793BE995C22541
0.0000%
50
Curve (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$98,139.00
25.3318520 Eth
$285,934.00
2.903 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
51
DeGate
ETH-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,170.00
25.3360540 Eth
$277,278.00
71.723 ETH
0.0001%
52
Binance
WBTC-ETH$97,829.00
25.3218410 Eth
$273,677.00
2.806 WBTC
0.0000%
53
Curve (Ethereum)
0X8236A87084F8B84306F72007F36F2618A5634494-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,048.00
25.3222140 Eth
$252,994.00
2.577 0X8236A87084F8B84306F72007F36F2618A5634494
0.0000%
54
Uniswap V3 (Ethereum)
0X661C70333AA1850CCDBAE82776BB436A0FCFEEFB-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,039.00
25.3860170 Eth
$237,793.00
2.420 0X661C70333AA1850CCDBAE82776BB436A0FCFEEFB
0.0000%
55
Bitget
WBTC-USDT$97,900.00
25.3501500 Eth
$232,507.00
2.393 WBTC
0.0000%
56
Kraken
WBTC-USD$98,063.00
25.3286640 Eth
$201,116.00
2.051 WBTC
0.0000%
57
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,313.00
25.3767350 Eth
$169,104.00
10,757.690 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.0088%
58
CoinTR
WBTC-USDT$97,867.00
25.2730670 Eth
$165,408.00
1.666 WBTC
0.0000%
59
Uniswap V3 (Ethereum)
0X7A56E1C57C7475CCF742A1832B028F0456652F97-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,587.00
25.2690080 Eth
$158,479.00
1.625 0X7A56E1C57C7475CCF742A1832B028F0456652F97
0.0000%
60
Tokpie
DAF-WBTC$98,029.00
25.3198980 Eth
$146,427.00
101,281,111.300 DAF
83.0369%
61
Curve (Ethereum)
0X8236A87084F8B84306F72007F36F2618A5634494-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,048.00
25.3222140 Eth
$141,422.00
1.441 0X8236A87084F8B84306F72007F36F2618A5634494
0.0000%
62
ProBit Global
WBTC-USDT$98,100.00
25.3076610 Eth
$132,023.00
1.346 WBTC
0.0000%
63
Tokpie
CAKE-WBTC$97,983.00
25.3053180 Eth
$130,749.00
32,963.628 CAKE
0.0270%
64
Balancer V2
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$98,325.00
25.3912640 Eth
$126,315.00
1.281 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
65
Balancer V2
0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,284.00
25.3560560 Eth
$94,232.00
0.960 0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642
0.0000%
66
Curve (Ethereum)
0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,030.00
25.3200770 Eth
$80,349.00
0.821 0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642
0.0000%
67
Uniswap V3 (Ethereum)
0X18084FBA666A33D37592FA2633FD49A74DD93A88-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,313.00
25.3767350 Eth
$73,713.00
0.750 0X18084FBA666A33D37592FA2633FD49A74DD93A88
0.0000%
68
Osmosis
IBC/498A0751C798A0D9A389AA3691123DADA57DAA4FE165D5C75894505B876BA6E4-IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F$97,752.00
25.3118590 Eth
$66,994.00
67,038.064 IBC/498A0751C798A0D9A389AA3691123DADA57DAA4FE165D5C75894505B876BA6E4
0.0550%
69
Bitfinex
WBT-USD$98,037.00
25.3856230 Eth
$62,729.00
0.640 WBT
0.0000%
70
Curve (Ethereum)
0XEB4C2781E4EBA804CE9A9803C67D0893436BB27D-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,033.00
25.3044100 Eth
$58,408.00
0.626 0XEB4C2781E4EBA804CE9A9803C67D0893436BB27D
0.0000%
71
OKX
WBTC-USDC$98,017.00
25.3794040 Eth
$56,864.00
0.568 WBTC
0.0000%
72
Gate.io
WBTC-USDT$97,789.00
25.3115390 Eth
$55,870.00
0.575 WBTC
0.0000%
73
Curve (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0X7F39C581F595B53C5CB19BD0B3F8DA6C935E2CA0$100,175.00
25.8740010 Eth
$44,585.00
0.450 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
74
Curve (Ethereum)
0X40D16FC0246AD3160CCC09B8D0D3A2CD28AE6C2F-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,795.00
25.3209690 Eth
$43,111.00
42,961.201 0X40D16FC0246AD3160CCC09B8D0D3A2CD28AE6C2F
0.0352%
75
Kraken
WBTC-EUR$98,151.00
25.3512300 Eth
$41,778.00
0.426 WBTC
0.0000%
76
Bitvavo
WBTC-EUR$97,925.00
25.2944160 Eth
$40,070.00
0.409 WBTC
0.0000%
77
Gate.io
WBTC-BTC$97,608.00
25.2647710 Eth
$38,735.00
0.397 WBTC
0.0000%
78
ProBit Global
WBTC-BTC$98,015.00
25.2987610 Eth
$31,091.00
0.317 WBTC
0.0000%
79
Phemex
WBTC-USDT$97,930.00
25.3569680 Eth
$28,619.00
0.292 WBTC
0.0000%
80
Solidly V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$97,895.00
25.2429870 Eth
$27,453.00
0.277 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
81
FMFW.io
WBTC-USDT$98,062.00
25.2912720 Eth
$26,304.00
0.268 WBTC
0.0000%
82
FMFW.io
WBTC-ETH$98,126.00
25.3078070 Eth
$24,729.00
0.252 WBTC
0.0000%
83
Tokpie
GEM-WBTC$98,029.00
25.3198980 Eth
$23,272.00
3,744,140.660 GEM
3.0697%
84
Bitfinex
WBT-BTC$97,864.00
25.3407150 Eth
$21,578.00
0.220 WBT
0.0000%
85
Stellaswap (V3)
0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D-0XACC15DC74880C9944775448304B263D191C6077F$99,030.00
25.5782820 Eth
$17,430.08
0.180 0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D
0.0000%
86
Kujira Fin
WBTC-MNTA$98,424.00
25.3464560 Eth
$15,924.04
0.158 WBTC
0.0000%
87
CoinEx
WBTC-BTC$97,873.00
25.2385370 Eth
$8,862.41
0.091 WBTC
0.0000%
88
Tokpie
BAMBOO-WBTC$97,919.00
25.2878670 Eth
$4,582.08
11,294,083.730 BAMBOO
9.2596%
89
Uniswap V3 (Ethereum)
0XF469FBD2ABCD6B9DE8E169D128226C0FC90A012E-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,039.00
25.3860170 Eth
$4,305.90
0.044 0XF469FBD2ABCD6B9DE8E169D128226C0FC90A012E
0.0000%
90
Uniswap V3 (Ethereum)
0X927402AB67C0CDA3C187E9DFE34554AC581441F2-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,287.00
25.1791340 Eth
$3,160.99
2,910,075.525 0X927402AB67C0CDA3C187E9DFE34554AC581441F2
2.3859%
91
FMFW.io
WBTC-BTC$98,054.00
25.3333050 Eth
$1,868.32
0.019 WBTC
0.0000%
92
Raydium
9N4NBM75F5UI33ZBPYXN59EWSGE8CGSHTAETH5YFEJ9E-7DHBWXMCI3DT8UFYWYZWEBLXGYCU7Y3IL6TRKN1Y7ARJ$2,538.06
0.6544576 Eth
$1,826.56
0.756 9N4NBM75F5UI33ZBPYXN59EWSGE8CGSHTAETH5YFEJ9E
0.0000%
93
Coinlist
WBTC-BTC$98,305.00
25.3489430 Eth
$1,277.97
0.013 WBTC
0.0000%
94
Uniswap V3 (Ethereum)
0XC96DE26018A54D51C097160568752C4E3BD6C364-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,039.00
25.3860170 Eth
$290.52
0.003 0XC96DE26018A54D51C097160568752C4E3BD6C364
0.0000%
95
Stellaswap (V3)
0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D-0XFFFFFFFF5AC1F9A51A93F5C527385EDF7FE98A52$97,991.00
25.2937220 Eth
$265.48
0.003 0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D
0.0000%
96
Osmosis
IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F-UOSMO$99,029.00
25.6426040 Eth
$88.85
0.001 IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F
0.0000%
97
CEX.IO
WBTC-USDC$98,115.00
25.3401310 Eth
$45.91
0.000 WBTC
0.0000%
98
CEX.IO
WBTC-USDT$97,918.00
25.2747640 Eth
$44.55
0.000 WBTC
0.0000%
99
CEX.IO
WBTC-EUR$98,111.00
25.3947250 Eth
$42.50
0.000 WBTC
0.0000%
100
CEX.IO
WBTC-USD$97,804.00
25.3153760 Eth
$28.61
0.000 WBTC
0.0000%

Contract Source Code Verified (Exact Match)

Contract Name:
WBTC

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2018-11-24
*/

pragma solidity 0.4.24;

// File: openzeppelin-solidity/contracts/token/ERC20/ERC20Basic.sol

/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * See https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  function totalSupply() public view returns (uint256);
  function balanceOf(address _who) public view returns (uint256);
  function transfer(address _to, uint256 _value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

// File: openzeppelin-solidity/contracts/math/SafeMath.sol

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
    // Gas optimization: this is cheaper than asserting 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
    if (_a == 0) {
      return 0;
    }

    c = _a * _b;
    assert(c / _a == _b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  function div(uint256 _a, uint256 _b) internal pure returns (uint256) {
    // assert(_b > 0); // Solidity automatically throws when dividing by 0
    // uint256 c = _a / _b;
    // assert(_a == _b * c + _a % _b); // There is no case in which this doesn't hold
    return _a / _b;
  }

  /**
  * @dev Subtracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 _a, uint256 _b) internal pure returns (uint256) {
    assert(_b <= _a);
    return _a - _b;
  }

  /**
  * @dev Adds two numbers, throws on overflow.
  */
  function add(uint256 _a, uint256 _b) internal pure returns (uint256 c) {
    c = _a + _b;
    assert(c >= _a);
    return c;
  }
}

// File: openzeppelin-solidity/contracts/token/ERC20/BasicToken.sol

/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) internal balances;

  uint256 internal totalSupply_;

  /**
  * @dev Total number of tokens in existence
  */
  function totalSupply() public view returns (uint256) {
    return totalSupply_;
  }

  /**
  * @dev Transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint256 _value) public returns (bool) {
    require(_value <= balances[msg.sender]);
    require(_to != address(0));

    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    emit Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of.
  * @return An uint256 representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) public view returns (uint256) {
    return balances[_owner];
  }

}

// File: openzeppelin-solidity/contracts/token/ERC20/ERC20.sol

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address _owner, address _spender)
    public view returns (uint256);

  function transferFrom(address _from, address _to, uint256 _value)
    public returns (bool);

  function approve(address _spender, uint256 _value) public returns (bool);
  event Approval(
    address indexed owner,
    address indexed spender,
    uint256 value
  );
}

// File: openzeppelin-solidity/contracts/token/ERC20/StandardToken.sol

/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * https://github.com/ethereum/EIPs/issues/20
 * Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) internal allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint256 the amount of tokens to be transferred
   */
  function transferFrom(
    address _from,
    address _to,
    uint256 _value
  )
    public
    returns (bool)
  {
    require(_value <= balances[_from]);
    require(_value <= allowed[_from][msg.sender]);
    require(_to != address(0));

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
    emit Transfer(_from, _to, _value);
    return true;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * Beware that changing an allowance with this method brings the risk that someone may use both the old
   * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
   * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint256 _value) public returns (bool) {
    allowed[msg.sender][_spender] = _value;
    emit Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Function to check the amount of tokens that an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint256 specifying the amount of tokens still available for the spender.
   */
  function allowance(
    address _owner,
    address _spender
   )
    public
    view
    returns (uint256)
  {
    return allowed[_owner][_spender];
  }

  /**
   * @dev Increase the amount of tokens that an owner allowed to a spender.
   * approve should be called when allowed[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _addedValue The amount of tokens to increase the allowance by.
   */
  function increaseApproval(
    address _spender,
    uint256 _addedValue
  )
    public
    returns (bool)
  {
    allowed[msg.sender][_spender] = (
      allowed[msg.sender][_spender].add(_addedValue));
    emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  /**
   * @dev Decrease the amount of tokens that an owner allowed to a spender.
   * approve should be called when allowed[_spender] == 0. To decrement
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param _spender The address which will spend the funds.
   * @param _subtractedValue The amount of tokens to decrease the allowance by.
   */
  function decreaseApproval(
    address _spender,
    uint256 _subtractedValue
  )
    public
    returns (bool)
  {
    uint256 oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue >= oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    emit Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

// File: openzeppelin-solidity/contracts/token/ERC20/DetailedERC20.sol

/**
 * @title DetailedERC20 token
 * @dev The decimals are only for visualization purposes.
 * All the operations are done using the smallest and indivisible token unit,
 * just as on Ethereum all the operations are done in wei.
 */
contract DetailedERC20 is ERC20 {
  string public name;
  string public symbol;
  uint8 public decimals;

  constructor(string _name, string _symbol, uint8 _decimals) public {
    name = _name;
    symbol = _symbol;
    decimals = _decimals;
  }
}

// File: openzeppelin-solidity/contracts/ownership/Ownable.sol

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
  address public owner;


  event OwnershipRenounced(address indexed previousOwner);
  event OwnershipTransferred(
    address indexed previousOwner,
    address indexed newOwner
  );


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  constructor() public {
    owner = msg.sender;
  }

  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(msg.sender == owner);
    _;
  }

  /**
   * @dev Allows the current owner to relinquish control of the contract.
   * @notice Renouncing to ownership will leave the contract without an owner.
   * It will not be possible to call the functions with the `onlyOwner`
   * modifier anymore.
   */
  function renounceOwnership() public onlyOwner {
    emit OwnershipRenounced(owner);
    owner = address(0);
  }

  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param _newOwner The address to transfer ownership to.
   */
  function transferOwnership(address _newOwner) public onlyOwner {
    _transferOwnership(_newOwner);
  }

  /**
   * @dev Transfers control of the contract to a newOwner.
   * @param _newOwner The address to transfer ownership to.
   */
  function _transferOwnership(address _newOwner) internal {
    require(_newOwner != address(0));
    emit OwnershipTransferred(owner, _newOwner);
    owner = _newOwner;
  }
}

// File: openzeppelin-solidity/contracts/token/ERC20/MintableToken.sol

/**
 * @title Mintable token
 * @dev Simple ERC20 Token example, with mintable token creation
 * Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
 */
contract MintableToken is StandardToken, Ownable {
  event Mint(address indexed to, uint256 amount);
  event MintFinished();

  bool public mintingFinished = false;


  modifier canMint() {
    require(!mintingFinished);
    _;
  }

  modifier hasMintPermission() {
    require(msg.sender == owner);
    _;
  }

  /**
   * @dev Function to mint tokens
   * @param _to The address that will receive the minted tokens.
   * @param _amount The amount of tokens to mint.
   * @return A boolean that indicates if the operation was successful.
   */
  function mint(
    address _to,
    uint256 _amount
  )
    public
    hasMintPermission
    canMint
    returns (bool)
  {
    totalSupply_ = totalSupply_.add(_amount);
    balances[_to] = balances[_to].add(_amount);
    emit Mint(_to, _amount);
    emit Transfer(address(0), _to, _amount);
    return true;
  }

  /**
   * @dev Function to stop minting new tokens.
   * @return True if the operation was successful.
   */
  function finishMinting() public onlyOwner canMint returns (bool) {
    mintingFinished = true;
    emit MintFinished();
    return true;
  }
}

// File: openzeppelin-solidity/contracts/token/ERC20/BurnableToken.sol

/**
 * @title Burnable Token
 * @dev Token that can be irreversibly burned (destroyed).
 */
contract BurnableToken is BasicToken {

  event Burn(address indexed burner, uint256 value);

  /**
   * @dev Burns a specific amount of tokens.
   * @param _value The amount of token to be burned.
   */
  function burn(uint256 _value) public {
    _burn(msg.sender, _value);
  }

  function _burn(address _who, uint256 _value) internal {
    require(_value <= balances[_who]);
    // no need to require value <= totalSupply, since that would imply the
    // sender's balance is greater than the totalSupply, which *should* be an assertion failure

    balances[_who] = balances[_who].sub(_value);
    totalSupply_ = totalSupply_.sub(_value);
    emit Burn(_who, _value);
    emit Transfer(_who, address(0), _value);
  }
}

// File: openzeppelin-solidity/contracts/lifecycle/Pausable.sol

/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
contract Pausable is Ownable {
  event Pause();
  event Unpause();

  bool public paused = false;


  /**
   * @dev Modifier to make a function callable only when the contract is not paused.
   */
  modifier whenNotPaused() {
    require(!paused);
    _;
  }

  /**
   * @dev Modifier to make a function callable only when the contract is paused.
   */
  modifier whenPaused() {
    require(paused);
    _;
  }

  /**
   * @dev called by the owner to pause, triggers stopped state
   */
  function pause() public onlyOwner whenNotPaused {
    paused = true;
    emit Pause();
  }

  /**
   * @dev called by the owner to unpause, returns to normal state
   */
  function unpause() public onlyOwner whenPaused {
    paused = false;
    emit Unpause();
  }
}

// File: openzeppelin-solidity/contracts/token/ERC20/PausableToken.sol

/**
 * @title Pausable token
 * @dev StandardToken modified with pausable transfers.
 **/
contract PausableToken is StandardToken, Pausable {

  function transfer(
    address _to,
    uint256 _value
  )
    public
    whenNotPaused
    returns (bool)
  {
    return super.transfer(_to, _value);
  }

  function transferFrom(
    address _from,
    address _to,
    uint256 _value
  )
    public
    whenNotPaused
    returns (bool)
  {
    return super.transferFrom(_from, _to, _value);
  }

  function approve(
    address _spender,
    uint256 _value
  )
    public
    whenNotPaused
    returns (bool)
  {
    return super.approve(_spender, _value);
  }

  function increaseApproval(
    address _spender,
    uint _addedValue
  )
    public
    whenNotPaused
    returns (bool success)
  {
    return super.increaseApproval(_spender, _addedValue);
  }

  function decreaseApproval(
    address _spender,
    uint _subtractedValue
  )
    public
    whenNotPaused
    returns (bool success)
  {
    return super.decreaseApproval(_spender, _subtractedValue);
  }
}

// File: openzeppelin-solidity/contracts/ownership/Claimable.sol

/**
 * @title Claimable
 * @dev Extension for the Ownable contract, where the ownership needs to be claimed.
 * This allows the new owner to accept the transfer.
 */
contract Claimable is Ownable {
  address public pendingOwner;

  /**
   * @dev Modifier throws if called by any account other than the pendingOwner.
   */
  modifier onlyPendingOwner() {
    require(msg.sender == pendingOwner);
    _;
  }

  /**
   * @dev Allows the current owner to set the pendingOwner address.
   * @param newOwner The address to transfer ownership to.
   */
  function transferOwnership(address newOwner) public onlyOwner {
    pendingOwner = newOwner;
  }

  /**
   * @dev Allows the pendingOwner address to finalize the transfer.
   */
  function claimOwnership() public onlyPendingOwner {
    emit OwnershipTransferred(owner, pendingOwner);
    owner = pendingOwner;
    pendingOwner = address(0);
  }
}

// File: openzeppelin-solidity/contracts/token/ERC20/SafeERC20.sol

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure.
 * To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
  function safeTransfer(
    ERC20Basic _token,
    address _to,
    uint256 _value
  )
    internal
  {
    require(_token.transfer(_to, _value));
  }

  function safeTransferFrom(
    ERC20 _token,
    address _from,
    address _to,
    uint256 _value
  )
    internal
  {
    require(_token.transferFrom(_from, _to, _value));
  }

  function safeApprove(
    ERC20 _token,
    address _spender,
    uint256 _value
  )
    internal
  {
    require(_token.approve(_spender, _value));
  }
}

// File: openzeppelin-solidity/contracts/ownership/CanReclaimToken.sol

/**
 * @title Contracts that should be able to recover tokens
 * @author SylTi
 * @dev This allow a contract to recover any ERC20 token received in a contract by transferring the balance to the contract owner.
 * This will prevent any accidental loss of tokens.
 */
contract CanReclaimToken is Ownable {
  using SafeERC20 for ERC20Basic;

  /**
   * @dev Reclaim all ERC20Basic compatible tokens
   * @param _token ERC20Basic The address of the token contract
   */
  function reclaimToken(ERC20Basic _token) external onlyOwner {
    uint256 balance = _token.balanceOf(this);
    _token.safeTransfer(owner, balance);
  }

}

// File: contracts/utils/OwnableContract.sol

// empty block is used as this contract just inherits others.
contract OwnableContract is CanReclaimToken, Claimable { } /* solhint-disable-line no-empty-blocks */

// File: contracts/token/WBTC.sol

contract WBTC is StandardToken, DetailedERC20("Wrapped BTC", "WBTC", 8),
    MintableToken, BurnableToken, PausableToken, OwnableContract {

    function burn(uint value) public onlyOwner {
        super.burn(value);
    }

    function finishMinting() public onlyOwner returns (bool) {
        return false;
    }

    function renounceOwnership() public onlyOwner {
        revert("renouncing ownership is blocked");
    }
}

Contract Security Audit

Contract ABI

[{"constant":true,"inputs":[],"name":"mintingFinished","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"}],"name":"reclaimToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"unpause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"mint","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"value","type":"uint256"}],"name":"burn","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"claimOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"paused","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_subtractedValue","type":"uint256"}],"name":"decreaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"finishMinting","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"pause","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_addedValue","type":"uint256"}],"name":"increaseApproval","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"pendingOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"amount","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[],"name":"MintFinished","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]

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Deployed Bytecode

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Swarm Source

bzzr://a1e0f5cdc96081f44eea73f352e7ef8fbfbacd306ec0f0b7275c9752d31fbe32
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