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Servicio Global P2P para comercio electrónico con un volumen de más de 1.5 billones de dólares. USD. Una inversión confiable y altamente rentable para todos

1 AID = 0.25 USD

100% de retorno de la inversión

4.01.18 9:00 Inicio PreSale 28.02.18 00:00 Inicio ICO 25.05.18 23:59 Final ICO

fecha de inicio
días
:
:

bitcoin

bitcoin

bitcoin

bitcoin

bitcoin

Zona horaia: GMT+6
Ya se han invertido : 2 304 106 USD
Sobre el proyecto

El SERVICIO AIDA – es un servicio automatizado para la venta de artículos y servicios relacionados sin intermediarios, cuyos usuarios son: los Clientes, los Productores, la gente de Logística, los Almacenes y los Socios de la red.

Versión demo del servicio

Plan de acción

Esquema ICO

TIPO DE ESMISIÓN

El número de tokens está limitado por el número de tokens emitidos durante el período de crowdsdale

PERIODO ENTRADA DE TOKENS

Al instante

FORMA DE PAGO

ETH, BTC, BCC, LTC, USD

EL PERÍODO DE CROWDSALE

28/02/2018 00:00 GMT+6 25/05/2018 23:59 GMT+6

PRECIO

1 AID = 0.25 USD

Cantidad de participación Max / Min

Para criptomoneda: - no/20 USD
Para el dinero Fiat:- 500 USD/100 USD

El crecimiento de los tokens es proporcionado por

1

Desarrollo de productos

2

Canje mensual de tokens

3

Transacciones de intercambio

4

Lanzamiento de su propia moneda criptográfica de servicio y la posibilidad de cambio por las condiciones anteriores

Benefits for early investors:

1

Service first of all will redeem tokens from early investors

2

Investors who bought from
20,000 tokens will have the opportunity to host a master node, which gives them the right to receive commissions from processed transactions

3

Investors bought
50,000 tokens can become a representative of the service and will receive 10 of the profits in the region

Etapa #1: PreICO

Fecha de inicio: 4 de enero del 2018 (9:00, franja horaria GMT+6)

Fecha de fin: 27 de febrero del 2018 (23:59, franja horaria GMT+6)

Forma de pago: ETH, BTC, BCC, LTC, USD

Cambio: 1 USD = 4 AID tokens

Cantidad de tokens por participante: ilimitada

Cantidad mínima por transacción de dinero fiat: 100 USD

Cantidad mínima por transacción de criptomonedas: 20 USD

antidad máxima por transacción de dinero fiat: 500 USD

Cantidad máxima por transacción de criptomonedas: ilimitadas

Cantidad de tokens: está limitado por el período de la conducta del crowdsdale

Bonificaciones: +15%

Retorno: Todo el período

Reembolsos de bonificación: Será devuelto a costo cero, después será destruido

Cantidad de intentos: 1

Etapa 2: ICO

Fecha de inicio: 28 de febrero del 2018 (00:00, franja horaria GMT+6)

Fecha de fin: 25 de mayo del 2018 (23:59, franja horaria GMT+6)

Forma de pago: ETH, BTC, BCC, LTC, USD

Cambio: 1 USD = 4 AID tokens

Cantidad de tokens por participante:ilimitada

Cantidad mínima por transacción de dinero fiat: 100 USD

Cantidad mínima por transacción de criptomonedas: 20 USD

Cantidad máxima por transacción de dinero fiat: 500 USD

Cantidad máxima por transacción de criptomonedas: ilimitadas

Cantidad de tokens: está limitado por el período de la conducta del crowdsdale

Bonificaciones: del 27 de febrero al 25 de marzo: 10%, 26 de marzo a 25 de abril: 5%

Retorno: Hasta las 23:59 del 25.04.18. Solo los tokens comprados en esta etapa

Reembolsos de bonificación: Será devuelto a costo cero, después será destruido

Cantidad de intentos: 1

Distribución de los tokens

Group Copy 2 Created with Sketch. 20% 3% 76% Equipo TOKENS PARA LA VENTA BOUNTY Socios 1%

76%

ICO

20%

Equipo

3%

Socios

1%

Bounty

Distribución del presupuesto

Group Created with Sketch. 35% 35% 17% 8% 5% Desarrollo del servicio Introducción de tecnología de blockchain. Desarrollo de nuevos módulos de automatización adicionales. Aumento de eficiencia Marketing> Promoción del servicio en regiones con perspectiva Costos administrativos para el desarrollo del servicio en las regiones Gastos de soporte legal Aparatos y equipo técnico

Estructura del presupuesto

De la cantidad de archivos adjuntos depende la cantidad de módulos de servicio adicionales y la cobertura de marketing para expansionarse

17%

Costos administrativos para el desarrollo del servicio en las regiones

35%

Marketing
Promoción del servicio en regiones con perspectiva

35%

Desarrollo del servicio
Introducción de tecnología de blockchain. Desarrollo de nuevos módulos de automatización adicionales. Aumento de eficiencia

8%

Gastos de soporte legal

5%

Aparatos y equipo técnico

Contrato inteligente


	// AID tokensale smart contract.
	// Developed by Phenom.Team 

	// pragma solidity ^ 0.4.15;

	/**
	 *   @title SafeMath
	 *   @dev Math operations with safety checks that throw on error
	 */
	library SafeMath {
	    function mul(uint256 a, uint256 b) internal constant returns (uint256) {
	        uint256 c = a * b;
	        assert(a == 0 || c / a == b);
	        return c;
	    }

	    function div(uint256 a, uint256 b) internal constant returns(uint256) {
	        assert(b > 0);
	        uint256 c = a / b;
	        assert(a == b * c + a % b);
	        return c;
	    }

	    function sub(uint256 a, uint256 b) internal constant returns(uint256) {
	        assert(b <= a);
	        return a - b;
	    }

	    function add(uint256 a, uint256 b) internal constant returns(uint256) {
	        uint256 c = a + b;
	        assert(c >= a);
	        return c;
	    }
	}


	/**
	 *   @title ERC20
	 *   @dev Standart ERC20 token interface
	 */
	contract ERC20 {
	    uint256 public totalSupply = 0;
	    mapping(address => uint256) balances;
	    mapping(address => mapping(address => uint256)) allowed;
	    function balanceOf(address _owner) public constant returns(uint256);
	    function transfer(address _to, uint256 _value) public returns(bool);
	    function transferFrom(address _from, address _to, uint256 _value) public returns(bool);
	    function approve(address _spender, uint256 _value) public returns(bool);
	    function allowance(address _owner, address _spender) public constant returns(uint256);
	    event Transfer(address indexed _from, address indexed _to, uint256 _value);
	    event Approval(address indexed _owner, address indexed _spender, uint256 _value);
	}

	/**
	*   @title AidaICO contract  - takes funds from users and issues tokens
	*   @dev AidaICO - it's the first ever contract for ICO which allows users to
	*                  return their investments.
	*/
	contract AidaICO {
	    // AID - Aida token contract
	    AidaToken public AID = new AidaToken(this);
	    using SafeMath for uint256;

	    // Token price parameters
	    // These parametes can be changed only by manager of contract
	    uint256 public Rate_Eth = 700; // Rate USD per ETH
	    uint256 public Tokens_Per_Dollar = 4; // Aida token per dollar
	    uint256 public Token_Price = Tokens_Per_Dollar.mul(Rate_Eth); // Aida token per ETH

	    // Crowdfunding parameters
	    uint256 constant ICO_RETURN_DURATION = 9; //
	    // ICO duration: 21.01.18  - 10.01,18
	    // return duration: 21.01.18 - 30.01.18
	    // Investors can return their investments during ICO_RETURN_DURATION
	    // Company can withdraw  ether from ico contract after ICO_RETURN_DURATION
	    uint256 constant bountyPart = 10; // 1% of TotalSupply for BountyFund
	    uint256 constant partnersPart = 30; //3% f TotalSupply for PartnersFund
	    uint256 constant teamPart = 200; //20% of TotalSupply for TeamFund
	    uint256 constant icoAndPOfPart = 760; // 76% of TotalSupply for PublicICO and PrivateOffer
	    uint256 startTime = 0; // Start time timestamp

	    // Output ethereum addresses
	    address public Company;
	    address public BountyFund;
	    address public PartnersFund;
	    address public TeamFund;
	    address public Manager; // Manager controls contract
	    address public Controller_Address1; // First address that is used to buy tokens for other cryptos
	    address public Controller_Address2; // Second address that is used to buy tokens for other cryptos
	    address public Controller_Address3; // Third address that is used to buy tokens for other cryptos
	    address public Oracle; // Oracle address
	    address public RefundManager; // Refund manager address

	    // Possible ICO statuses
	    enum StatusICO {
	        Created,
	        PreIcoStarted,
	        PreIcoPaused,
	        PreIcoFinished,
	        IcoStarted,
	        IcoPaused,
	        IcoFinished
	    }

	    StatusICO statusICO = StatusICO.Created;

	    // Mappings
	    mapping(address => uint256) public ethPreIco; // Mapping for remembering eth of investors who paid at PreICO
	    mapping(address => uint256) public ethIco; // Mapping for remembering eth of investors who paid at ICO
	    mapping(address => bool) public used; // Users can return their funds one time
	    mapping(address => uint256) public tokensPreIco; // Mapping for remembering tokens of investors who paid at preICO in ether
	    mapping(address => uint256) public tokensIco; // Mapping for remembering tokens of investors who paid at ICO in ethre
	    mapping(address => uint256) public tokensPreIcoInOtherCrypto; // Mapping for remembering tokens of investors who paid at preICO in other crypto currencies
	    mapping(address => uint256) public tokensIcoInOtherCrypto; // Mapping for remembering tokens of investors who paid at ICO in other crypto currencies

	    // Events Log
	    event LogStartICO();
	    event LogPauseICO();
	    event LogFinishICO(address bountyFund, address partnersFund, address teamFund);
	    event LogBuyForInvestor(address investor, uint256 aidValue, string txHash);
	    event LogReturnEth(address investor, uint256 eth);
	    event LogReturnOtherCrypto(address investor, string logString);

	    // Modifiers
	    // Allows execution by the refund manager only
	    modifier refundManagerOnly {
	        require(msg.sender == RefundManager);
	        _;
	    }
	    // Allows execution by the oracle only
	    modifier oracleOnly {
	        require(msg.sender == Oracle);
	        _;
	    }
	    // Allows execution by the contract manager only
	    modifier managerOnly {
	        require(msg.sender == Manager);
	        _;
	    }
	    // Allows execution by the one of controllers only
	    modifier controllersOnly {
	      require((msg.sender == Controller_Address1)
	           || (msg.sender == Controller_Address2)
	           || (msg.sender == Controller_Address3));
	      _;
	    }


	   /**
	    *   @dev Contract constructor function
	    */
	    function AidaICO(
	        address _Company,
	        address _BountyFund,
	        address _PartnersFund,
	        address _TeamFund,
	        address _Manager,
	        address _Controller_Address1,
	        address _Controller_Address2,
	        address _Controller_Address3,
	        address _Oracle,
	        address _RefundManager
	    )
	        public {
	        Company = _Company;
	        BountyFund = _BountyFund;
	        PartnersFund = _PartnersFund;
	        TeamFund = _TeamFund;
	        Manager = _Manager;
	        Controller_Address1 = _Controller_Address1;
	        Controller_Address2 = _Controller_Address2;
	        Controller_Address3 = _Controller_Address3;
	        Oracle = _Oracle;
	        RefundManager = _RefundManager;
	    }

	   /**
	    *   @dev Set rate of ETH and update token price
	    *   @param _RateEth       current ETH rate
	    */
	    function setRate(uint256 _RateEth) external oracleOnly {
	        Rate_Eth = _RateEth;
	        Token_Price = Tokens_Per_Dollar.mul(Rate_Eth);
	    }

	   /**
	    *   @dev Start PreIco
	    *   Set ICO status to PreIcoStarted
	    */
	    function startPreIco() external managerOnly {
	        require(statusICO == StatusICO.Created || statusICO == StatusICO.PreIcoPaused);
	        statusICO = StatusICO.PreIcoStarted;
	        LogStartICO();
	    }

	   /**
	    *   @dev Pause PreIco
	    *   Set Ico status to PreIcoPaused
	    */
	    function pausePreIco() external managerOnly {
	        require(statusICO == StatusICO.PreIcoStarted);
	        statusICO = StatusICO.PreIcoPaused;
	        LogPauseICO();
	    }
	   /**
	    *   @dev Finish PreIco
	    *   Set Ico status to PreIcoFinished
	    */
	    function finishPreIco() external managerOnly {
	        require(statusICO == StatusICO.PreIcoStarted || statusICO == StatusICO.PreIcoPaused);
	        statusICO = StatusICO.PreIcoFinished;
	        LogPauseICO();
	    }

	   /**
	    *   @dev Start ICO
	    *   Set start ICO time
	    *   Set ICO status to IcoStarted
	    */
	    function startIco() external managerOnly {
	        require(statusICO == StatusICO.PreIcoFinished || statusICO == StatusICO.IcoPaused);
	        if (statusICO == StatusICO.PreIcoFinished) {
	            startTime = now;
	        }
	        statusICO = StatusICO.IcoStarted;
	        LogStartICO();
	    }

	   /**
	    *   @dev Pause Ico
	    *   Set Ico status to IcoPaused
	    */
	    function pauseIco() external managerOnly {
	        require(statusICO == StatusICO.IcoStarted);
	        statusICO = StatusICO.IcoPaused;
	        LogPauseICO();
	    }

	   /**
	    *   @dev Finish ICO and emit tokens for bounty company, partners and team
	    */
	    function finishIco() external managerOnly {
	        require(statusICO == StatusICO.IcoStarted || statusICO == StatusICO.IcoPaused);
	        uint256 alreadyMinted = AID.totalSupply(); // = PublicICO
	        uint256 totalAmount = alreadyMinted.mul(1000).div(icoAndPOfPart);
	        AID.mintTokens(BountyFund, bountyPart.mul(totalAmount).div(1000));
	        AID.mintTokens(PartnersFund, partnersPart.mul(totalAmount).div(1000));
	        AID.mintTokens(TeamFund, teamPart.mul(totalAmount).div(1000));
	        statusICO = StatusICO.IcoFinished;
	        LogFinishICO(BountyFund, PartnersFund, TeamFund);
	    }

	   /**
	    *   @dev Unfreeze tokens(enable token transfers)
	    */
	    function enableTokensTransfer() external managerOnly {
	        require(statusICO == StatusICO.IcoFinished);
	        AID.defrostTokens();
	    }

	   /**
	    *   @dev Fallback function calls createTokensForEth() function to create tokens
	    *        when investor sends ETH to address of ICO contract
	    */
	    function() external payable {
	        require(statusICO == StatusICO.PreIcoStarted || statusICO == StatusICO.IcoStarted);
	        createTokensForEth(msg.sender, msg.value.mul(Token_Price));
	        rememberEther(msg.value, msg.sender);
	    }

	   /**
	    *   @dev Store how many eth were invested by investor
	    *   @param _value        amount of invested ether in Wei
	    *   @param _investor     address of investor
	    */
	    function rememberEther(uint256 _value, address _investor) internal {
	        if (statusICO == StatusICO.PreIcoStarted) {
	            ethPreIco[_investor] = ethPreIco[_investor].add(_value);
	        }
	        if (statusICO == StatusICO.IcoStarted) {
	            ethIco[_investor] = ethIco[_investor].add(_value);
	        }
	    }

	   /**
	    *   @dev Writes how many tokens investor received(for payments in ETH)
	    *   @param _value        amount of tokens
	    *   @param _investor     address of investor
	    */
	    function rememberTokensEth(uint256 _value, address _investor) internal {
	        if (statusICO == StatusICO.PreIcoStarted) {
	            tokensPreIco[_investor] = tokensPreIco[_investor].add(_value);
	        }
	        if (statusICO == StatusICO.IcoStarted) {
	            tokensIco[_investor] = tokensIco[_investor].add(_value);
	        }
	    }

	   /**
	    *   @dev Writes how many tokens investor received(for payments in other cryptocurrencies)
	    *   @param _value        amount of tokens
	    *   @param _investor     address of investor
	    */
	    function rememberTokensOtherCrypto(uint256 _value, address _investor) internal {
	        if (statusICO == StatusICO.PreIcoStarted) {
	            tokensPreIcoInOtherCrypto[_investor] = tokensPreIcoInOtherCrypto[_investor].add(_value);
	        }
	        if (statusICO == StatusICO.IcoStarted) {
	            tokensIcoInOtherCrypto[_investor] = tokensIcoInOtherCrypto[_investor].add(_value);
	        }
	    }

	   /**
	    *   @dev Issues tokens for users who made purchases in other cryptocurrencies
	    *   @param _investor     address the tokens will be issued to
	    *   @param _txHash       transaction hash of investor's payment
	    *   @param _aidValue     number of Aida tokens
	    */
	    function buyForInvestor(
	        address _investor,
	        uint256 _aidValue,
	        string _txHash
	    )
	        external
	        controllersOnly {
	        require(statusICO == StatusICO.PreIcoStarted || statusICO == StatusICO.IcoStarted);
	        createTokensForOtherCrypto(_investor, _aidValue);
	        LogBuyForInvestor(_investor, _aidValue, _txHash);
	    }

	   /**
	    *   @dev Issue tokens for investors who paid in other cryptocurrencies
	    *   @param _investor     address which the tokens will be issued to
	    *   @param _aidValue     number of Aida tokens
	    */
	    function createTokensForOtherCrypto(address _investor, uint256 _aidValue) internal {
	        require(_aidValue > 0);
	        uint256 bonus = getBonus(_aidValue);
	        uint256 total = _aidValue.add(bonus);
	        rememberTokensOtherCrypto(total, _investor);
	        AID.mintTokens(_investor, total);
	    }

	   /**
	    *   @dev Issue tokens for investors who paid in ether
	    *   @param _investor     address which the tokens will be issued to
	    *   @param _aidValue     number of Aida tokens
	    */
	    function createTokensForEth(address _investor, uint256 _aidValue) internal {
	        require(_aidValue > 0);
	        uint256 bonus = getBonus(_aidValue);
	        uint256 total = _aidValue.add(bonus);
	        rememberTokensEth(total, _investor);
	        AID.mintTokens(_investor, total);
	    }

	   /**
	    *   @dev Calculates bonus if PreIco sales still not over
	    *   @param _value        amount of tokens
	    *   @return              bonus value
	    */
	    function getBonus(uint256 _value)
	        public
	        constant
	        returns(uint256)
	    {
	        uint256 bonus = 0;
	        if (statusICO == StatusICO.PreIcoStarted) {
	            bonus = _value.mul(15).div(100);
	        }
	        return bonus;
	    }

	   /**
	    *   @dev Count days from Ico start day
	    */
	    function daysFromIcoStart()
	        public
	        constant
	        returns(uint256)
	    {
	        return now.sub(startTime) / 24 hours;
	    }

	   /**
	    *   @dev Allows investors to return their investments(in ETH)
	    *   if preICO or ICO_RETURN_DURATION is not over yet
	    *   and burns tokens
	    */
	    function returnEther() public {
	        require(!used[msg.sender]);
	        uint256 eth = 0;
	        uint256 tokens = 0;
	        if (statusICO == StatusICO.PreIcoStarted) {
	            require(ethPreIco[msg.sender] > 0);
	            eth = ethPreIco[msg.sender];
	            tokens = tokensPreIco[msg.sender];
	            ethPreIco[msg.sender] = 0;
	            tokensPreIco[msg.sender] = 0;
	        }
	        if (statusICO == StatusICO.IcoStarted) {
	            require(ethIco[msg.sender] > 0);
	            require(daysFromIcoStart() <= ICO_RETURN_DURATION);
	            eth = ethIco[msg.sender];
	            tokens = tokensIco[msg.sender];
	            ethIco[msg.sender] = 0;
	            tokensIco[msg.sender] = 0;
	        }
	        msg.sender.transfer(eth);
	        used[msg.sender] = true;
	        AID.burnTokens(msg.sender, tokens);
	        LogReturnEth(msg.sender, eth);
	    }

	   /**
	    *   @dev Burn tokens of investors who paid in other cryptocurrencies
	    *   if preICO or ICO_RETURN_DURATION is not over yet
	    *   @param _investor     address which the tokens will be burnt
	    *   @param _logString    string which contain payment information
	    */
	    function returnOtherCrypto(
	        address _investor,
	        string _logString
	    )
	        external
	        refundManagerOnly {
	        uint256 tokens = 0;
	        if (statusICO == StatusICO.PreIcoStarted) {
	            tokens = tokensPreIcoInOtherCrypto[_investor];
	            tokensPreIcoInOtherCrypto[_investor] = 0;
	        }
	        if (statusICO == StatusICO.IcoStarted) {
	            require(daysFromIcoStart() <= ICO_RETURN_DURATION);
	            tokens = tokensIcoInOtherCrypto[_investor];
	            tokensIcoInOtherCrypto[_investor] = 0;
	        }
	        AID.burnTokens(_investor, tokens);
	        LogReturnOtherCrypto(_investor, _logString);
	    }

	   /**
	    *   @dev Allows Company withdraw investments when ICO_RETURN_DURATION is over
	    *   @param _value        amount of ETH to send in Wei
	    */
	    function withdrawEther(uint256 _value) external managerOnly {
	        require(daysFromIcoStart() > ICO_RETURN_DURATION);
	        Company.transfer(_value);
	    }

	}


	/**
	 *   @title AidaToken
	 *   @dev Aida token contract
	 */
	contract AidaToken is ERC20 {
	    using SafeMath for uint256;
	    string public name = "Aida TOKEN";
	    string public symbol = "AID";
	    uint256 public decimals = 18;

	    // Ico contract address
	    address public ico;
	    event Burn(address indexed from, uint256 value);

	    // Disables/enables token transfers
	    bool public tokensAreFrozen = true;

	    // Allows execution by the owner only
	    modifier icoOnly {
	        require(msg.sender == ico);
	        _;
	    }

	   /**
	    *   @dev Contract constructor function sets Ico address
	    *   @param _ico          ico address
	    */
	    function AidaToken(address _ico) public {
	        ico = _ico;
	    }

	   /**
	    *   @dev Mint tokens
	    *   @param _holder       beneficiary address the tokens will be issued to
	    *   @param _value        number of tokens to issue
	    */
	    function mintTokens(address _holder, uint256 _value) external icoOnly {
	        require(_value > 0);
	        balances[_holder] = balances[_holder].add(_value);
	        totalSupply = totalSupply.add(_value);
	        Transfer(0x0, _holder, _value);
	    }

	   /**
	    *   @dev Disables/enables token transfers
	    */
	    function defrostTokens() external icoOnly {
	      tokensAreFrozen = false;
	    }

	   /**
	    *   @dev Burn Tokens
	    *   @param _investor     token holder address which the tokens will be burnt
	    *   @param _value        number of tokens to burn
	    */
	    function burnTokens(address _investor, uint256 _value) external icoOnly {
	        require(balances[_investor] > 0);
	        totalSupply = totalSupply.sub(_value);
	        balances[_investor] = balances[_investor].sub(_value);
	        Burn(_investor, _value);
	    }

	   /**
	    *   @dev Get balance of investor
	    *   @param _owner        investor's address
	    *   @return              balance of investor
	    */
	    function balanceOf(address _owner) public constant returns(uint256) {
	      return balances[_owner];
	    }

	   /**
	    *   @dev Send coins
	    *   throws on any error rather then return a false flag to minimize
	    *   user errors
	    *   @param _to           target address
	    *   @param _amount       transfer amount
	    *
	    *   @return true if the transfer was successful
	    */
	    function transfer(address _to, uint256 _amount) public returns(bool) {
	        require(!tokensAreFrozen);
	        balances[msg.sender] = balances[msg.sender].sub(_amount);
	        balances[_to] = balances[_to].add(_amount);
	        Transfer(msg.sender, _to, _amount);
	        return true;
	    }

	   /**
	    *   @dev An account/contract attempts to get the coins
	    *   throws on any error rather then return a false flag to minimize user errors
	    *
	    *   @param _from         source address
	    *   @param _to           target address
	    *   @param _amount       transfer amount
	    *
	    *   @return true if the transfer was successful
	    */
	    function transferFrom(address _from, address _to, uint256 _amount) public returns(bool) {
	        require(!tokensAreFrozen);
	        balances[_from] = balances[_from].sub(_amount);
	        allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_amount);
	        balances[_to] = balances[_to].add(_amount);
	        Transfer(_from, _to, _amount);
	        return true;
	    }

	   /**
	    *   @dev Allows another account/contract to spend some tokens on its behalf
	    *   throws on any error rather then return a false flag to minimize user errors
	    *
	    *   also, to minimize the risk of the approve/transferFrom attack vector
	    *   approve has to be called twice in 2 separate transactions - once to
	    *   change the allowance to 0 and secondly to change it to the new allowance
	    *   value
	    *
	    *   @param _spender      approved address
	    *   @param _amount       allowance amount
	    *
	    *   @return true if the approval was successful
	    */
	    function approve(address _spender, uint256 _amount) public returns(bool) {
	        require((_amount == 0) || (allowed[msg.sender][_spender] == 0));
	        allowed[msg.sender][_spender] = _amount;
	        Approval(msg.sender, _spender, _amount);
	        return true;
	    }

	   /**
	    *   @dev Function to check the amount of tokens that an owner allowed to a spender.
	    *
	    *   @param _owner        the address which owns the funds
	    *   @param _spender      the address which will spend the funds
	    *
	    *   @return              the amount of tokens still avaible for the spender
	    */
	    function allowance(address _owner, address _spender) public constant returns(uint256) {
	        return allowed[_owner][_spender];
	    }
	}

			

Socios y consultores

Jason Hung

CAMP CTO, TimeBox Co-founder, SuchApp, Giza, W2TW, BlockVisory blockchain ICO advisor, ICOBench expert

Jason is an entrepreneur and inventor in mobile technology, blockchain ecosystem, digital marketing, AI and ERP related business. He is the co-founder or advisor of Treascovery, Chidopi, TimeBox, Giza, Micro BTC, EZPOS and Suchapp. He has more than 20 years proven track record on managing RD, IT, sales, consulting service with 9 technology related patents which using at more than 2000 Apps. He was also formal PeopleSoft and JDE solution head in Greater China. He is also a blockchain expert of ICOBench and International Blockchain Consulting Announcement Group.

Nikolay Zvezdin

CFO / CIO at Envinary Group , CFO at Enlight Visionary , Giza Device, Datarius Cryptobank ICO Advisor

Nikolay is an expert in private equity / venture capital, assurance, and advisory; participated in 8 potential LBOs worth of ~US$ 22 billions, of companies from Industrials, Energy, TMT, Pharmaceuticals, FIG, and Consumer Goods sectors from the UK, US, Hong Kong, Japan, Singapore, China, and Russia; advised top executives of private equity portfolio company on operations and efficiency enhancement resulting in EBITDA increase of ~60%; participated in assurance of the largest banks in Tajikistan; winner of CFA Research Challenge in Turkey, participant in CFA EMEA Research Challenge in Netherlands, winner of Credit Suisse HOLT Valuation Challenge, winner of Credit Suisse HOLT Community Competition.

Konstantin Bravo

Co – founder of CryptoMarafon - russian online webinar, CFC, HeartIn ICO adviser, Markening expert

Konstantin has 19 years of experience in entrepreneurial activity, working with securities, pièces jointes, business development. He has extensive experience in team building, project management, marketing and sales. The volume of realized projects in real estate is more than 250 million dollars. Konstantin holds a master's degree in applied mathematics and programming from Kyiv Polytechnic University and a master's degree in financial management and pièces jointes at the Kiev Institute of pièces jointes and Management. In recent years, he has been participando en el camino in startups in the core of the blockchain technology, big data and artificial intelligence. He is an adviser in projects CFC, HeartIn and develops relationships in the crypto community.

Malcolm Tan

Founder of Gravitas Holdings

CEO of Gravitas Holdings Malcolm Tan is an established Singaporean lawyer-entrepreneur with extensive experience in the construction, telecommunications, engineering, retail, IT and financial industries. Trained as a lawyer, Malcolm is also skilled in litigation, corporate law, and mergers and acquisitions. He previously held legal counsel positions in both global and regional capacities across the Asia-Pacific region, MENA, and North America. In addition to owning and running a diverse suite of companies, including the BlueSky Group which owns back-office solution provider ActivBM, Malcolm’s keen interest in pièces jointes opportunities sees him play an active role in crowdfunding projects through his online platform FundedByMe.com.

Alex Nest

ICO Advisor and Digital Strategist

ICO Advisor and Digital Strategist – Eristica, Aida Service. Co-Founder CosNes Gp. Community Operations, Entrepreneur. Ideologist for decentralization Anonymous Organizations. Flight Academy of Ukraine. Usually, the people with the best advice are the ones with the most problems. Also @cosnes Linkedin, Product Hunt, Medium.

Anzor Zhemukhov

Blockchain expert, philanthrop ENZO

Blockchain philanthropist ENZO, which is the leader of several blockchain projects, whose management company is “BLOCK A” Co-owner and advisor of such projects: Real Estate Exchange of Rosreestra, CryptoCreditCard (a credit card that allows you to pay for goods and services with various crypto-currencies and fiat money) ICO agency promocoin.io, Exchange C3X, Exchange Rubitexx, bitware.com, DarkOil, World Metal Factoring, BIT Energy, neuroseed.io, mark.space, Sofin.io, etc. The Rubittech project provides consulting and implementation of crypto-exchange technologies.

Nuestro equipo

Nyssanov Ualikhan

Chief Executive Officer

Project Architect. Expert in marketing and sales. Entrepreneur since 2010, experience in sales ranges from 1 million dollars.

Goncharenko Denis

IT Director

Co-founder. IT director. Expert in automation of business processes.

Urmagambetov Samat

Cofundador

Has built more than 1.2 million square meters of residential and commercial real estate. The founder of the construction holding "Center Group".

Kulikesheva Dinara

Web Designer

Experience: 2 years in the IT field. Achievements: work experience abroad (Latvia, Riga), two peaks above 3000 km., Economic and music education. Expertise: UI/UX design.

Bazayev Askar

Web Developer

Experience: 20 years in IT. Achievements: MCP certificate; working experience in IT in Canada for 10 years. Expertise: Server support, application development on Delphi, MS Visual Studio 2012 and many others.

Kang De Khan

Web Developer

Experience: 2 years in IT. Achievements: won first place in the Olympiad in the discipline of informatics. Expertise: development of the database and backend.

Narimanova Тomiris

Web Developer

Experience: 2 years in IT. Expertise: FrontEnd, design.

Orazmukhammet Alpamys

Web Developer

Experience: 3 years in IT Achievements: The participant of the cryptoSpace conference, the implementation of the blockchain technology Expertise: On integrating IT technologies, Database protection and encryption, Oracle Database Administration.

Krukhmalyova Svetlana

Chief Operating Officer

Experience: 3 years in HR. Achievements: Work with the personnel is established, full adaptation of employees, introduction of KPI. High involvement of employees in the team work. Expertise: In the selection of personnel, development of job descriptions.

Kunsakov Arman

Executive Director

Experience: 15 years in sales, management and in project management. Achievements: management of sales of the plant for the production of PVC window and doors profiles. Management of large projects for the extraction of natural materials. Expertise: production planning, training and selection of personnel, sales and attraction.

Biskembayeva Aizhan

Commercial Director

Experience: 5 years in the construction industry. Achievements: Master's degree in foreign languages, holder of certificates increasing professional qualifications. Expertise: Knowledge of building materials, closing of projects on a turn-key basis.

Kovalevsky Sergey

Head of Development Department

Experience: 12 years in IT. Achievements: Master's degree, work experience and training in Israel, More than 10 integrations in TransAvia. Expertise: organization, management, automation and administration of IT and business processes.

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