fromjyk

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Prev. hash:
Data: Genesis Block
Hash: 00000093253acb814afb942e652a84a8f245069a67b5eaa709df8ac612075038
PoW: true

Prev. hash: 00000093253acb814afb942e652a84a8f245069a67b5eaa709df8ac612075038
Data: Send 1 BTC to Ivan
Hash: 0000003eeb3743ee42020e4a15262fd110a72823d804ce8e49643b5fd9d1062b

fromjyk

Prev. hash:
Data: Genesis Block
Hash: aff955a50dc6cd2abfe81b8849eab15f99ed1dc333d38487024223b5fe0f1168

Prev. hash: aff955a50dc6cd2abfe81b8849eab15f99ed1dc333d38487024223b5fe0f1168
Data: Send 1 BTC to Ivan
Hash: d75ce22a840abb9b4e8fc3b60767c4ba3f46a0432d3ea15b71aef9fde6a314e1

Prev. hash: d75ce22a840abb9b4e8fc3b60767c4ba3f46a0432d3ea15b71aef9fde6a314e1
Data: Send 2 more BTC to Ivan

fromjyk

pragma solidity >=0.4.22 <0.6.0;

interface token {
    function transfer(address receiver, uint amount) external;
}

contract Crowdsale {
    address public beneficiary;
    uint public fundingGoal;
    uint public amountRaised;

fromjyk

pragma solidity >=0.4.22 <0.6.0;

interface token {
    function transfer(address receiver, uint amount) external;
}

contract Crowdsale {
    address public beneficiary;
    uint public fundingGoal;
    uint public amountRaised;

fromjyk

pragma solidity ^0.4.16;

contract owned {
    address public owner;
    function owned() public {
        owner = msg.sender;
    }
    modifier onlyOwner {
        require(msg.sender == owner);
        _;

fromjyk

pragma solidity ^0.4.16;

contract owned {
    address public owner;

    function owned() public {
        owner = msg.sender;
    }

    modifier onlyOwner {

fromjyk

pragma solidity ^0.4.16;

interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) external; }

contract TokenERC20 { // 토큰의 이름과 심볼을 변경할 수 있습니다. 
    string public name;
    string public symbol;
    uint8 public decimals = 18; // 18자릿수가 권장되는 기본값이므로 변경하지 마십시오. 
    uint256 public totalSupply;

fromjyk

pragma solidity ^0.4.20;

    contract MyToken {                                 // 모든 잔액에 대한 배열을 만듭니다.
    mapping (address => uint256) public balanceOf;
                                                       // 컨트렉터에게 초기공급 토큰과의 계약을 초기화합니다.
    function MyToken(uint256 initialSupply) public {
        balanceOf[msg.sender] = initialSupply;         // 컨트렉터에게 모든 초기토큰을 제공하십시오.
    }
    /* 코인 보내기 */
    function transfer(address _to, uint256 _value) public returns (bool success) {