Consultant - Ethereum ERC20 ICO Contract

Job Description:


I am looking for an experiences blockchain code developer to get consultancy service. We have an ongoing ICO.

The problem is;

Somebodies has approved their 1-any wallet and 2-any unverified smart contract as a spender for our token assets. They now can claim funds after sale is finalized.

We have to revoke these malicious actions and prevent for further for permanently.

The issues source is probably a code line in IERC20 interface which is related with allowances.

Always welcome. Thank you very much.

Compétences : Solidity, Blockchain, Smart Contracts, Ethereum, Débogage

Concernant le client :
( 6 commentaires ) Lahti, Finland

Nº du projet : #35081129

57 freelances font une offre moyenne de 43 €/heure pour ce travail


Hello, I’m having 4+ years experience with proficiency in Smart Contract Development, Blockchain Development, ICO, Cryptocurrency, Smart Contract Audits, Public & Private Blockchain and dApps. I have expertise in NFT Plus

€25 EUR / heure
(101 Commentaires)

Hello Good afternoon , I hope you are doing great. Just finished reading the brief details of your job . I see you have been looking for a freelancer who has experience with Ethereum, Blockchain, Solidity, Smart Contr Plus

€30 EUR / heure
(3 Commentaires)

Hi there, thanks for your job posting, and I am happy to send my proposal. As one of the top 1% blockchain developer on here with strong experience about ICO for 3+ years, reviewing your requirement, I noticed you are Plus

€15 EUR / heure
(9 Commentaires)

Hello, Mert Eren E, How are you? I have rich experience of IERC20, and Let's have a discuss how to strop claim funds. Waiting for your reply. Best Regards

€300 EUR / heure
(6 Commentaires)

Hi, Thanks for your job posting. I'm a senior Blockchain/Solidity Web3 EXPERT, with rich experiences of developing Smart contract, NFT Marketplace, DeFi. While reading your requirement ,I am sure I understood the main Plus

€15 EUR / heure
(15 Commentaires)

Hi I am Smart contract expert and very interested in your project. So you have faced some hacking problem so you need to fix asap. okay no problem Please share me your contract, I will check your contract and fix the Plus

€20 EUR / heure
(13 Commentaires)

Hi, there. how are you? I have completely understood so someone is going to scam your token with approve function of ERC20 smart contract right? is there any blacklist feature? Anyway please contact me and let's disc Plus

€15 EUR / heure
(11 Commentaires)

Hello, This is professional blockchain developer Jiru. I have rich experience at blockchain token contract such as ICO, IDO launchpad, presale,. Also I have done many projects. I would like to work with you long term.I Plus

€15 EUR / heure
(5 Commentaires)

Hi, how are you?. I guarantee you will receive a quality service in the shortest possible time. I invite you to review my portfolio and my grades which are 5. I will be delighted if we work together on this project. Plus

€15 EUR / heure
(2 Commentaires)

⭐⭐⭐It's me what you're looking for.⭐⭐⭐ Hi, there. Thank you for your job posting here. As you can see on my profile, I have rich experiences in crypto-related projects including trading platform as well. Especially Plus

€30 EUR / heure
(3 Commentaires)

Hello. Thanks for your great job posting only for me. I am here to help you with my skills and good experiences in building websites. I want to let you know you will get good result from me within a short period. I mea Plus

€15 EUR / heure
(3 Commentaires)

I've seen your job description and I know what the problem is. I had encountered this kind of problem before so I have experience in it. I would like to discuss more details in chat or interview so we can get clear ide Plus

€15 EUR / heure
(1 Évaluation)

Hi. I have read your job details carefully and it is great match for my skills. As a senior blockchain developer, I have built a lot of ERC20 smart contracts, so I would be a good candidate to this projects. I can deli Plus

€15 EUR / heure
(1 Évaluation)

Hello, Nice meet you! I have read your project requirements and then I am sure I can complete that project. I can help you. Thank you

€15 EUR / heure
(1 Évaluation)

Dear Mert Eren. Wish you a good day! Thanks for your good job posting. I'm an expert you are looking for. I worked on very similar project and got experience in NFT, Smart Contract, Ethereum and Transaction data manage Plus

€15 EUR / heure
(1 Évaluation)

Hello, Sir. Thanks for your job posting. I am an experienced solidity developer (security and gas optimization) I have developed many smart contracts using openzeppelin. I can fix the issues on your smart contracts. Pl Plus

€15 EUR / heure
(0 Commentaires)

I have decent expertise in Blockchain development and custom smart contract application development technologies. I am responsible for designing and implementing new innovative features and functionalities, establishi Plus

€12 EUR / heure
(0 Commentaires)

Hi, I can implement your idea. I am strong web3/front/solidity dev with rich experiences in ICO field. Please let me know about your token and ICO contract. So I can check it. Thanks.

€15 EUR / heure
(0 Commentaires)

✔️✔️✔️✔️✔️YOU'RE LOOKING FOR ME, I AM A DJANGO EXPERT!!!⭐⭐⭐⭐⭐ Hi there. I have just read your requirements, I have an ability to start your project right now. I am a senior blockchain developer, who have main skills su Plus

€15 EUR / heure
(0 Commentaires)

Hi, Hope you're doing well. I can provide you best consultancy service as an expert blockchain code developer. Let's connect via chat to discuss issues source code line in IERC20 interface which is related with allowan Plus

€17 EUR / heure
(0 Commentaires)