lukas-berlin

contract ERC20Basic {
  uint public totalSupply;
  function balanceOf(address who) constant returns (uint);
  function transfer(address to, uint value);
  function allowance(address owner, address spender) constant returns (uint);
  function transferFrom(address from, address to, uint value);
  function approve(address spender, uint value);

  event Approval(address indexed owner, address indexed spender, uint value);

lukas-berlin

contract ERC20Interface {

    function totalSupply() public constant returns (uint);
    function balanceOf(address tokenOwner) public constant returns (uint balance);
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
    function transfer(address to, uint tokens) public returns (bool success);
    function approve(address spender, uint tokens) public returns (bool success);
    function transferFrom(address from, address to, uint tokens) public returns (bool success);

    event Transfer(address indexed from, address indexed to, uint tokens);

lukas-berlin

Tokens that are not returning a bool in the transfer function. 
Only tokens in listed on Etherdelta were checked. 

https://raw.githubusercontent.com/etherdelta/etherdelta.github.io/master/config/main.json

all these contracts are affected by the missing return value bug. Morte info on this issue:
https://github.com/ethereum/solidity/issues/4116

lukas-berlin

pragma solidity ^0.4.18;

contract Certification  {

 
    address public certifierAddress;

    string public CompanyName;
    string public Norm;
    string public CertID;

lukas-berlin

0x686564314e56218baa161b070d46b1cedf63abcb

lukas-berlin

0xb1a2269C4f507761424a16b12E9522B2b9BD46B7

lukas-berlin

0xc3dfa955c803a1559979cd2d3165f461dc9b5138

lukas-berlin

0xe735053f464c0b7b04183a1def8ca674f3696ec1