第２回ブロックチェーン勉強会

Transcript

1.  
    beyondS, Inc. CEO 
   

2. 
    • ABOUT ME • Ethereum
   • ERC20  

   •  • 

3. ABOUT ME • %$ .   • Web! •

    !
   VR
    • )1&+0#
   !
   ,/-* • IT ' (" 

4. Ethereum
   

5. Ethereum  
   
    • 5 #(
   ).<= • 
   )16

   !8; • 
   )*/09%"
   -,23 :> • +7#(
   )$'
   &)4 <= • +7
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6. Ethereum
    • 20142
   Vitalik Buterin     

7. Ethereum
     • C0% +$/$-$ 9=:2D@6/(,! • %).#"/?>; 5 E2D

   • %7+&'% =:
   83).#"/>; •  1AB4Ethereum* < ERC20$/ • B4ether

8. Ethereum
     • H6.+,&"4!-3) ; GI@E • Ethereum=K!$#4, D: •

   EOAExternally Owned Account
   
   
   0'BF!$#4, • Contract
   
   
   5=%2) EOA ,24'%(14 > ContractG&- <9 ContractGIJA ? 7 EOA !-3)0xabc…. Contract !-3)0xdef…. ,24'%(14 etherC8
   GI&-/*+-<9
   GIJA%2)JA?7 Contract test { uint address; public test() {} }

9. Ethereum
    • %#"!/.*+
   $("! • !"! !*+ •  - !"!

   
   Ropsten
   Kovan
   Rinkeby • !0ether   • '&*+ ↑,) 

10. Contract
     • %"30 '9;))+  • <=1: • "(
    
    
    

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    ! & #9; • EthereumVirtual Machine CodeEVM Code.$"# , 4
    6@  • 275-/ Solidity ?*  

11. geth
    Solidity • geth
     • Go !# Ethereum CUI • GoEthereum

    & • Solidity
     • Java Script $"% • EVM Code 
    solc

12. ERC20
      

13. ERC20
    • Ethereum&!#+4B7M • ERCEthereum Request for Comments20IKC-  

    • ERC20=3 ND • 1=#+H5  • ERC20A/ 1 )"#MyEtherWalletJ?#+, • Ethereum$)!A #+;: • 10,0009O.>ERC20#+@6 • Contract #+FL2<  
    E87M%* ('+ 0G

14. 
       CounterParty •   ! # "$

    • (&
    XCP %'

15.    
     •  • Ubuntu16 "
    

    Ubuntu  •  • 
    Ethereum !  https://book.ethereum-jp.net/

16.    
     ,. #! geth#! Solidity#! truffle#! geth"!$&%+

    #-Contract'*
    #! "!$&Contract" #)( 

17. 
       Ethereum  
      https://qiita.com/shiki_tak/items/855bd5d2213213610365 

    Qiita
          

18.   
      • geth  
    geth attach

      → nohup geth --rinkeby --datadir "~/light" --syncmode "light" --rpc --rpcaddr "localhost" --rpcport "8545" 2>> light/log &

19. Next • 5#!82&  • (3)  • '+ 

     • ERC20
    
    ,*7. → ERC223
     • -/ %"$  6:0 1;49

20. 
     • 
    

21. 
     •   •  
     
    Web 

    •