ETH Price: $4,020.88 (+2.28%)

Token

Wrapped BTC (WBTC)
 

Overview

Max Total Supply

136,573.97433978 WBTC

Holders

104,403 ( 0.011%)

Market

Price

$98,855.00 @ 24.585386 ETH (-3.18%)

Onchain Market Cap

$13,501,020,233.36

Circulating Supply Market Cap

$13,495,112,329.00

Other Info

Token Contract (WITH 8 Decimals)

Balance
0.00106903 WBTC

Value
$105.68 ( ~0.0262827741595457 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):$796,568,766.00
Market Capitalization:$13,495,112,329.00
Circulating Supply:136,574.00 WBTC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume
1
Uniswap V3 (Ethereum)
0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,394.00
24.6119980 Eth
$182,473,089.00
1,830.651 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF
0.0014%
2
Bitrue
WBTC-BTC$98,906.00
24.5505600 Eth
$117,773,494.00
1,190.756 WBTC
0.0009%
3
Binance
WBTC-BTC$99,190.00
24.5651640 Eth
$94,618,931.00
954.597 WBTC
0.0007%
4
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XDAC17F958D2EE523A2206206994597C13D831EC7$99,179.00
24.5625500 Eth
$90,622,093.00
935.411 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0007%
5
Dexalot
WBTC-USDC$99,044.00
24.5435400 Eth
$35,216,880.00
358.027 WBTC
0.0003%
6
Uniswap V3 (Ethereum)
0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,394.00
24.6119980 Eth
$14,826,071.00
149.427 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF
0.0001%
7
Uniswap V3 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XDAC17F958D2EE523A2206206994597C13D831EC7$98,920.00
24.4984360 Eth
$13,585,257.00
141.279 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0001%
8
Uniswap V3 (Ethereum)
0X18084FBA666A33D37592FA2633FD49A74DD93A88-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,778.00
24.2119470 Eth
$12,035,442.00
123.106 0X18084FBA666A33D37592FA2633FD49A74DD93A88
0.0001%
9
Curve (Ethereum)
0X18084FBA666A33D37592FA2633FD49A74DD93A88-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,593.00
24.6797160 Eth
$9,217,439.00
92.545 0X18084FBA666A33D37592FA2633FD49A74DD93A88
0.0001%
10
Tokenize
WBTC-BTC$98,193.00
24.3275210 Eth
$9,112,110.00
92.798 WBTC
0.0001%
11
Bitunix
WBTC-USDT$99,069.00
24.5559910 Eth
$5,515,229.00
55.670 WBTC
0.0000%
12
Uniswap V3 (Ethereum)
0X8236A87084F8B84306F72007F36F2618A5634494-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,326.00
24.6135750 Eth
$4,800,448.00
48.292 0X8236A87084F8B84306F72007F36F2618A5634494
0.0000%
13
Tokpie
WBTC-USDT$99,171.00
24.5606060 Eth
$4,130,271.00
41.648 WBTC
0.0000%
14
Coinbase Exchange
WBTC-BTC$99,169.00
24.5602050 Eth
$3,391,731.00
34.201 WBTC
0.0000%
15
DigiFinex
WBTC-BTC$99,219.00
24.5723050 Eth
$1,855,320.00
18.699 WBTC
0.0000%
16
Curve (Ethereum)
0XDAC17F958D2EE523A2206206994597C13D831EC7-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,593.00
24.6797160 Eth
$1,501,904.00
1,482,054.795 0XDAC17F958D2EE523A2206206994597C13D831EC7
1.1141%
17
Pionex
WBTC-BTC$99,141.00
24.5530670 Eth
$1,401,848.00
14.151 WBTC
0.0000%
18
Bybit
WBTC-BTC$99,210.00
24.5700890 Eth
$1,158,580.00
11.677 WBTC
0.0000%
19
Azbit
WBTC-ETH$99,032.00
24.5261140 Eth
$1,028,033.00
10.030 WBTC
0.0000%
20
Curve (Ethereum)
0XDAC17F958D2EE523A2206206994597C13D831EC7-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$100,573.00
25.0764530 Eth
$999,537.00
970,957.788 0XDAC17F958D2EE523A2206206994597C13D831EC7
0.7299%
21
OKX
WBTC-USDT$99,260.00
24.5764370 Eth
$815,593.00
8.379 WBTC
0.0000%
22
Bybit
WBTC-USDT$99,030.00
24.5256260 Eth
$789,342.00
8.020 WBTC
0.0000%
23
Coinbase Exchange
WBTC-USD$99,087.00
24.5361840 Eth
$783,931.00
7.912 WBTC
0.0000%
24
OKX
WBTC-BTC$99,250.00
24.5738450 Eth
$734,377.00
7.400 WBTC
0.0000%
25
BingX
WBTC-USDT$99,131.00
24.5599360 Eth
$693,102.00
7.084 WBTC
0.0000%
26
Curve (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$99,416.00
24.6303990 Eth
$674,578.00
6.767 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
27
Osmosis
IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F-UOSMO$98,920.00
24.4983280 Eth
$619,323.00
6.261 IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F
0.0000%
28
Kraken
WBTC-XBT$99,191.00
24.5654100 Eth
$586,743.00
5.915 WBTC
0.0000%
29
Binance
WBTC-ETH$99,168.00
24.5598440 Eth
$565,179.00
5.625 WBTC
0.0000%
30
Uniswap V3 (Ethereum)
0X3472A5A71965499ACD81997A54BBA8D852C6E53D-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$100,031.00
24.7737150 Eth
$557,156.00
120,136.660 0X3472A5A71965499ACD81997A54BBA8D852C6E53D
0.0903%
31
Curve (Ethereum)
0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,593.00
24.6797160 Eth
$531,974.00
521,387.884 0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48
0.3920%
32
KuCoin
WBTC-USDT$98,894.00
24.4795020 Eth
$516,946.00
5.227 WBTC
0.0000%
33
Azbit
WBTC-USDT$98,949.00
24.5201400 Eth
$457,564.00
4.657 WBTC
0.0000%
34
MEXC
WBTC-USDT$99,041.00
24.5466150 Eth
$451,788.00
4.562 WBTC
0.0000%
35
Tokpie
BNB-WBTC$99,140.00
24.5528210 Eth
$397,163.00
550.725 BNB
0.0004%
36
Azbit
WBTC-BTC$99,140.00
24.5528210 Eth
$377,817.00
3.814 WBTC
0.0000%
37
BitMart
WBTC-USDT$99,066.00
24.5308750 Eth
$362,060.00
3.655 WBTC
0.0000%
38
Uniswap V3 (Ethereum)
0X7A56E1C57C7475CCF742A1832B028F0456652F97-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,555.00
24.4042870 Eth
$355,354.00
3.609 0X7A56E1C57C7475CCF742A1832B028F0456652F97
0.0000%
39
DeGate
ETH-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,400.00
24.6136120 Eth
$343,777.00
87.530 ETH
0.0001%
40
Curve (Ethereum)
0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,421.00
24.6161850 Eth
$332,410.00
3.348 0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642
0.0000%
41
Uniswap V3 (Ethereum)
0X661C70333AA1850CCDBAE82776BB436A0FCFEEFB-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,921.00
24.4861930 Eth
$302,416.00
3.050 0X661C70333AA1850CCDBAE82776BB436A0FCFEEFB
0.0000%
42
Bitget
WBTC-USDT$99,188.00
24.5646800 Eth
$276,438.00
2.849 WBTC
0.0000%
43
Uniswap V3 (Ethereum)
0X9BE89D2A4CD102D8FECC6BF9DA793BE995C22541-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$100,596.00
24.9134910 Eth
$274,170.00
2.724 0X9BE89D2A4CD102D8FECC6BF9DA793BE995C22541
0.0000%
44
Uniswap V3 (Ethereum)
0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,233.00
24.5760790 Eth
$217,234.00
13,395.658 0X1F9840A85D5AF5BF1D1762F925BDADDC4201F984
0.0101%
45
Osmosis
IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F-UOSMO$99,027.00
24.5248720 Eth
$215,981.00
2.181 IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F
0.0000%
46
Curve (Ethereum)
0X8236A87084F8B84306F72007F36F2618A5634494-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,946.00
25.0846050 Eth
$200,702.00
2.006 0X8236A87084F8B84306F72007F36F2618A5634494
0.0000%
47
Tokpie
DAF-WBTC$99,018.00
24.5411440 Eth
$166,860.00
114,261,340.590 DAF
85.8966%
48
CoinTR
WBTC-USDT$99,262.00
24.5768290 Eth
$163,729.00
1.664 WBTC
0.0000%
49
Balancer V2
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$99,408.00
24.7942300 Eth
$157,269.00
1.549 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
50
Curve (Ethereum)
0X8236A87084F8B84306F72007F36F2618A5634494-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,889.00
25.3744310 Eth
$142,635.00
1.441 0X8236A87084F8B84306F72007F36F2618A5634494
0.0000%
51
ProBit Global
WBTC-USDT$99,167.00
24.5559550 Eth
$138,636.00
1.398 WBTC
0.0000%
52
Curve (Ethereum)
0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,421.00
24.6161850 Eth
$113,684.00
1.145 0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642
0.0000%
53
Balancer V2
0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,542.00
25.3834540 Eth
$96,467.00
0.980 0X657E8C867D8B37DCC18FA4CAEAD9C45EB088C642
0.0000%
54
Uniswap V3 (Ethereum)
0X18084FBA666A33D37592FA2633FD49A74DD93A88-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,862.00
24.4840370 Eth
$82,480.00
0.835 0X18084FBA666A33D37592FA2633FD49A74DD93A88
0.0000%
55
Kraken
WBTC-USD$98,024.00
24.2765280 Eth
$80,845.00
0.825 WBTC
0.0000%
56
Bitfinex
WBT-USD$97,872.00
24.2387850 Eth
$79,428.00
0.812 WBT
0.0000%
57
Osmosis
IBC/498A0751C798A0D9A389AA3691123DADA57DAA4FE165D5C75894505B876BA6E4-IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F$98,939.00
24.5029910 Eth
$70,943.00
70,941.063 IBC/498A0751C798A0D9A389AA3691123DADA57DAA4FE165D5C75894505B876BA6E4
0.0533%
58
Curve (Ethereum)
0XEB4C2781E4EBA804CE9A9803C67D0893436BB27D-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,416.00
24.6303990 Eth
$68,593.00
0.725 0XEB4C2781E4EBA804CE9A9803C67D0893436BB27D
0.0000%
59
Gate.io
WBTC-USDT$98,801.00
24.4687370 Eth
$54,808.00
0.564 WBTC
0.0000%
60
Curve (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0X7F39C581F595B53C5CB19BD0B3F8DA6C935E2CA0$99,593.00
24.6797160 Eth
$53,491.00
0.533 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
61
KuCoin
WBTC-BTC$98,460.00
24.3936660 Eth
$52,696.00
0.535 WBTC
0.0000%
62
Verse
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$100,172.00
24.8178820 Eth
$48,186.00
0.471 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
63
Sushiswap
0X3472A5A71965499ACD81997A54BBA8D852C6E53D-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,122.00
24.5454530 Eth
$42,379.00
9,252.506 0X3472A5A71965499ACD81997A54BBA8D852C6E53D
0.0070%
64
Uniswap V2 (Ethereum)
0X3472A5A71965499ACD81997A54BBA8D852C6E53D-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$101,219.00
25.0649280 Eth
$41,823.00
8,912.769 0X3472A5A71965499ACD81997A54BBA8D852C6E53D
0.0067%
65
Gate.io
WBTC-BTC$98,991.00
24.5159100 Eth
$39,563.00
0.400 WBTC
0.0000%
66
Bitvavo
WBTC-EUR$98,794.00
24.4611510 Eth
$38,128.00
0.386 WBTC
0.0000%
67
Kraken
WBTC-EUR$98,259.00
24.3346250 Eth
$37,238.00
0.379 WBTC
0.0000%
68
MEXC
WBTC-USDC$98,793.00
24.4801550 Eth
$36,909.00
0.374 WBTC
0.0000%
69
PancakeSwap (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XC02AAA39B223FE8D0A0E5C4F27EAD9083C756CC2$100,214.00
24.8189080 Eth
$33,316.00
0.326 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
70
ProBit Global
WBTC-BTC$99,082.00
24.5369910 Eth
$31,617.00
0.319 WBTC
0.0000%
71
FMFW.io
WBTC-ETH$99,180.00
24.5610840 Eth
$31,226.00
0.315 WBTC
0.0000%
72
Phemex
WBTC-USDT$98,974.00
25.0975360 Eth
$29,118.00
0.294 WBTC
0.0000%
73
FMFW.io
WBTC-USDT$99,017.00
24.8233310 Eth
$27,375.00
0.276 WBTC
0.0000%
74
Tokpie
GEM-WBTC$99,140.00
24.5528210 Eth
$26,515.00
4,218,081.520 GEM
3.1710%
75
Bitfinex
WBT-BTC$99,252.00
24.5804320 Eth
$22,426.00
0.226 WBT
0.0000%
76
Stellaswap (V3)
0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D-0XACC15DC74880C9944775448304B263D191C6077F$99,649.00
24.6759590 Eth
$19,394.50
0.193 0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D
0.0000%
77
Crypto.com Exchange
WBTC-BTC$99,061.00
24.5331490 Eth
$18,445.08
0.186 WBTC
0.0000%
78
Uniswap V3 (Ethereum)
0X004E9C3EF86BC1CA1F0BB5C7662861EE93350568-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,921.00
24.4861930 Eth
$14,883.52
0.157 0X004E9C3EF86BC1CA1F0BB5C7662861EE93350568
0.0000%
79
Kujira Fin
WBTC-MNTA$98,953.00
24.5669910 Eth
$14,008.01
0.139 WBTC
0.0000%
80
OKX
WBTC-USDC$98,939.00
24.5031270 Eth
$12,666.61
0.136 WBTC
0.0000%
81
Curve (Ethereum)
0X8DB2350D78ABC13F5673A411D4700BCF87864DDE-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$100,146.00
24.9793910 Eth
$12,225.63
0.122 0X8DB2350D78ABC13F5673A411D4700BCF87864DDE
0.0000%
82
Uniswap V3 (Ethereum)
0X582D872A1B094FC48F5DE31D3B73F2D9BE47DEF1-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,862.00
24.4840370 Eth
$11,841.70
1,697.530 0X582D872A1B094FC48F5DE31D3B73F2D9BE47DEF1
0.0013%
83
CoinEx
WBTC-BTC$99,076.00
24.5461520 Eth
$9,013.53
0.091 WBTC
0.0000%
84
Balancer V2
0X18084FBA666A33D37592FA2633FD49A74DD93A88-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$97,724.00
24.5743120 Eth
$8,634.07
0.088 0X18084FBA666A33D37592FA2633FD49A74DD93A88
0.0000%
85
Uniswap V2 (Ethereum)
0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48$99,210.00
24.5672390 Eth
$7,356.18
0.075 0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599
0.0000%
86
Balancer V2
0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$98,883.00
25.3727880 Eth
$7,242.21
0.073 0XCBB7C0000AB88B473B1F5AFD9EF808440EED33BF
0.0000%
87
Uniswap V3 (Ethereum)
0XD31A59C85AE9D8EDEFEC411D448F90841571B89C-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,087.00
24.5359510 Eth
$4,806.06
20.039 0XD31A59C85AE9D8EDEFEC411D448F90841571B89C
0.0000%
88
Tokpie
BAMBOO-WBTC$98,533.00
24.5729730 Eth
$4,606.76
11,336,766.614 BAMBOO
8.5225%
89
Sushiswap
0X0B498FF89709D3838A063F1DFA463091F9801C2B-0X2260FAC5E5542A773AA44FBCFEDF7C193BC2C599$99,069.00
24.5497580 Eth
$3,912.24
79.684 0X0B498FF89709D3838A063F1DFA463091F9801C2B
0.0001%
90
Kujira Fin
WBTC-KUJI$98,275.00
24.4073500 Eth
$3,489.52
0.034 WBTC
0.0000%
91
Pangolin
0X408D4CD0ADB7CEBD1F1A1C33A0BA2098E1295BAB-0X60781C2586D68229FDE47564546784AB3FACA982$141,876.00
35.1723760 Eth
$1,973.08
0.013 0X408D4CD0ADB7CEBD1F1A1C33A0BA2098E1295BAB
0.0000%
92
Raydium
9N4NBM75F5UI33ZBPYXN59EWSGE8CGSHTAETH5YFEJ9E-7DHBWXMCI3DT8UFYWYZWEBLXGYCU7Y3IL6TRKN1Y7ARJ$2,353.72
0.5832353 Eth
$1,959.12
0.780 9N4NBM75F5UI33ZBPYXN59EWSGE8CGSHTAETH5YFEJ9E
0.0000%
93
FMFW.io
WBTC-BTC$99,280.00
24.5969030 Eth
$1,769.18
0.018 WBTC
0.0000%
94
StellaSwap
0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D-0XACC15DC74880C9944775448304B263D191C6077F$99,629.00
24.6988940 Eth
$935.33
0.009 0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D
0.0000%
95
Stellaswap (V3)
0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D-0XFFFFFFFF5AC1F9A51A93F5C527385EDF7FE98A52$99,637.00
24.8061370 Eth
$335.07
0.003 0XE57EBD2D67B462E9926E04A8E33F01CD0D64346D
0.0000%
96
Osmosis
IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F-UOSMO$99,698.00
24.6909090 Eth
$107.04
0.001 IBC/D1542AA8762DB13087D8364F3EA6509FD6F009A34F00426AF9E4F9FA85CBBF1F
0.0000%
97
CEX.IO
WBTC-USDC$100,040.00
24.7718910 Eth
$22.63
0.000 WBTC
0.0000%
98
CEX.IO
WBTC-EUR$99,509.00
24.6404040 Eth
$22.40
0.000 WBTC
0.0000%
99
CEX.IO
WBTC-USDT$98,698.00
24.5580310 Eth
$17.66
0.000 WBTC
0.0000%
100
CEX.IO
WBTC-USD$99,245.00
24.5750460 Eth
$16.01
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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