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#bitcoin

http://commitstrip.com/

Bitcoin ?

Wikipedia

2013 2014 2015 2016
https://www.coinbase.com/charts

https://www.coinbase.com/charts

http://getaddr.bitnodes.io

            $ echo -n "Hello World" | sha1sum
            0a4d55a8d778e5022fab701977c5d840bbc486d0
            $ echo -n "Hello World." | sha1sum
            b701146cf2c1262a6385c8b1fb1db98f05820499
            $ sha1sum ubuntu-12.04.3-desktop-amd64.iso
            0c06d876dabb4403cede1245e3b0bf1d81afd497
       

            SHA1("1:20:date:::") < 00001
            echo -n "1:20:060408:::1QTjaYd7niiQA/sc:ePa" | sha1sum
            00000a4a8bd07bddbdb0c4ea9ddb2d29b8d1cc5e
        
00000a4a8bd... < 0000100000...

             
            
        

Alice

10.00
08.99

Bob

01.00

25.01

  • 10.00
  • 01.00
  • 09.00
  • 08.99
  • Alice
  • 25.01

1 2 3 4

Bitcoin

CPU : 18 Mh/s - 0.2 Mh/J(Core i7 2600K)
GPU : 640 Mh/s - 3 Mh/J(AMD Radeon 7970)
FPGA : 800 Mh/s - 20 Mh/J(ModMiner Quad)
ASIC : 600 Gh/s - 1714 Mh/J(Monarch BPU 600C)

Litecoin

CPU : 50 Kh/s(Core i7 2600K)
GPU : 620 Kh/s(AMD Radeon 7970)
ASIC : 50 Mh/s ?(Viper)

<
< (http://forbes.com/...)

Division

1 = 1 bitcoin
0.01 = 1 c= 1 centibitcoin ( bitcent)
0.001 = 1 m= 1 millibitcoin ( mbit, millibit, bitmill)
0.000 001 = 1 μ= 1 microbitcoin ( ubit, microbit)
0.000 000 01 = 1 Satoshi

La Maison du Bitcoin - 35 rue du Caire, 75002 Paris

Bitcoin Script

http://paulgreg.me/bitcoin-cryptocurrencies/
github.com/paulgreg/bitcoin-cryptocurrencies/

Resources