Ethereum: .   
 

 

 


 ,   Ethereum      ,  -    (DApps).      Ethereum -  Ether,  ,      .    DApps     Ethereum,  ICO    (DeFi).       ,    Ethereum,      Ethereum 2.0.         Ether,      Ethereum  " ".





 

Ethereum: .   





 1:   Ethereum


 :  Ethereum

    ,   .        Ethereum.             ,        . ,             Ethereum           .

1.  :   

 Ethereum    -   .            .    , ,  Bitcoin  , ,     .                -.

2.   Ethereum:  

  2013       Ethereum,     .         -. -    ,   ,    .  ,  Ethereum     Bitcoin,        .

3.    Ethereum

    ,       ,    Ethereum (ETH).     Ethereum   .   ,  Ethereum  .

4.    Ethereum

, Ethereum       .     ,   .   ,  ,  Ethereum    .        ,         , ,     .

5.    

 Ethereum   -,    ,   ,      ,   .      ,   ,        .

,      ,    Ethereum,          .       ,                 . ,    2013 ,   ,    .

 Ethereum     

 

   ,       ,   .  ,        ,        .  ,  -  ,        ,    ,     .      ,     Ethereum.

  

 Ethereum    .     ,       .    ,      ,   ,  " ".          .

  

    Ethereum   .        , Ethereum    .      ,  "",         .

   Ethereum        .       ,       ,   .

-

   Ethereum       -. -    ,       . ,    -   ,         .

 -        (DApps),               .



 Ethereum     .    ,           .          -,    ,  Ethereum      .

Ether:  Ethereum    



  Ethereum,  -      ,  Ethereum (ETH)     .     ;    ,     .  ,  Ethereum     Ethereum.

  Ether?

 , Ethereum    ,  Bitcoin  Litecoin. ,  ,  ,  Ethereum    .   ,       Ethereum.  :

1.-  : -    ,     Ethereum.      ,      "" (Gas). Ethereum    ,  ,    ,     -.

2.  (DApps):  DApps,   Uniswap, CryptoKitties  Decentraland,    Ethereum   Ethereum   . ,    Decentraland         Ether.

3.   : Ethereum     ,        Ethereum.      Ethereum-   ,    .

4.      :    Ethereum    Ethereum    ,     .    Ether,        .

  Ether?

  ,     ,  Ether,     :

1.: Ethereum      .    ,       .

2.-  : Ethereum      -  .        ,   .

3.: Ethereum            ,       .

Ethereum        .  ,    Ethereum,   -,      .   ,     ,        .    Ethereum, Ethereum    ,       -.



Regenerate




 2: -  DApps:     


  : -

-           Ethereum.       ,       .   -  :

1.  -

-     ,     Ethereum       .        -,          .

2.   -

  ,   -,      ,     .  -   ()    ( , ), -   ,    .

3.  -

-    :

:     -   .           -.    (, ), -      .

: -         .    ,    ,   ,     .

  :  , -         -,         .

  : -         ,       .

4.  -

-   :

: -         .

:    ,          .

:   -       .

 :  -    ,    .

5.   

-   :

 :      -     .

: -    ,    .

  :    -   ,     .

-          Ethereum.         ,       .       ,        .

 -:      Ethereum

  -,         Ethereum.   ,  -          .

 1:  -

   -    Solidity,   Ethereum.          :

 :   .

     .

(.)         .



//  -

contract RentalContract {

....address public landlord; //  

....address public tenant; //  

....uint256 public rentAmount; //     Wei (1 Ethereum = 1e18 Wei)

....uint256 public rentDueDate; //   



....//  

....constructor(address _tenant, uint256 _rentAmount) {

........landlord = msg.sender;

........tenant = _tenant;

........rentAmount = _rentAmount;

........rentDueDate = block.timestamp + 30 days; //    30 

....}



....//      

....function payRent() public payable {

........require(msg.sender == tenant, "Only the tenant can pay the rent.");

........require(msg.value == rentAmount, "Incorrect rent amount.");

........require(block.timestamp <= rentDueDate, "Rent is overdue.");

........

........rentDueDate += 30 days; //     30 

....}

}

 2:  

      -   Ethereum.    Ethereum-,   MetaMask      .

 3:   

  ,       .     .

  ,       Ether.

   ,   payRent().   ,         .

 -    Ethereum:

1.:    .       .

2.:        ,      .

3.:         -,      .

4.:         .

  ,  -  Ethereum        ,    ,      .

  (DApps):   

 ,  DApps,     -,   ,     .  ,   ,     -        .   ,   DApps      -.

1.    

DApps  ,             .     -  ,           .     :

:           .      .

:        ,        .

 :                 .

2.  -

  DApps  -,     ,      .           .

: ,     DApp  . -    ,     (, ).         .

3.  

DApps     .       , :

:    (DeFi)    ,      .

: DApps   ,        ,           -.

  : DApps      ,       .

4.   

  , ,    , DApps    ,   .     ,   ,    .

         .   ,      ,   ,   .     , DApps    ,    ,         -.

   (DApps):

1.: DApps              .     ,    .

2.: DApps       ,  ,           .

3. :  DApps     ,       .

4.  : DApps         ,    .                .

5.  :  -, DApps      ,   ,    .

6.  : DApps    ,              ,     .

   -  DApps       ,       .   ,        ,            .




  .


   .

   ,     (https://www.litres.ru/book/artem-demidenko/ethereum-efir-osnovy-i-perspektivy-69659209/)  .

      Visa, MasterCard, Maestro,    ,   ,     ,  PayPal, WebMoney, ., QIWI ,       .


