Secure Mobile Chat App Development - 07/08/2025 08:01 EDT
I need a secure mobile chat application for both iOS and Android platforms. The app should support text messaging, voice calls, and video calls. Key Requirement...
Read more
ID / Date
Listing
Link
Cybersecurity CTF Challenge Creation
I'm looking for an experienced CTF challenge creator to design a mixed-style Capture The Flag competition. The main theme of the CTF will be cybersecurity. Plea...
Read moreCrypto Token Development Expert
I'm building LAXMI COIN, a meme and cultural token inspired by Goddess Laxmi, and I'm looking for an experienced crypto professional to help develop it on the B...
Read moreCrypto Wallet Setup and Security
I am new to and inexperienced in crypto and previously had my crypto stolen. Therefore I am looking for hands-on, personalised assistance for protecting myself...
Read moreNeed Help with a Quick Digital
I’m looking for freelancers who can help with a simple and urgent digital task. If you're familiar with online payments, e-wallets, or digital transfers — this...
Read moreFraud-Prevention Blockchain Ecosystem Development
Technical Business Plan Fraud Prevention Blockchain Ecosystem 1. Project Overview This project proposes the development of a real-time fraud prevention ecosyste...
Read moreFork EVMOS Blockchain
I'm seeking an experienced blockchain developer to fork the EVMOS blockchain based on Ethereum. Key requirements include: - Expertise in blockchain technology,...
Read moreDéveloppement de Contrat Intelligent Blockchain
Exigences relatives aux contrats intelligents Bonjour, J'ai besoin d'un contrat intelligent entièrement décentralisé sur la *[nom de la blockchain, par exemple...
Read moreTON Token with Approval Feature
I'm looking for a developer to create a token (Jetton) on the TON blockchain. Requirements: - Standard Jetton on TON - A sell approval system for amounts over $...
Read moreDecode Wallet.aes.json File
I'm seeking a skilled professional to help recover the password for my wallet.aes.json file. Unfortunately, I've forgotten the password entirely and don't have...
Read moreBiometric Payment System Development
About the Role: We are seeking a skilled and innovative Developer to join our team and lead the development of a biometric-based payment system. This role invol...
Read moreBiometric Payment System Developer Needed
About the Role: We are seeking a skilled and innovative Developer to join our team and lead the development of a biometric-based payment system. This role invol...
Read morePayment App Developer
About the Role: We are seeking a skilled and innovative Developer to join our team and lead the development of a biometric-based payment system. This role invol...
Read morePKI / EJBCA CE con YubiHSM2 – Consultor técnico (habla español)
Busco un freelancer técnico con experiencia demostrable en integración de EJBCA Community Edition con YubiHSM2 (PKCS#11), para resolver error en CryptoToken. Ob...
Read moreJava RFC8818 Encryption/Decryption
I'm looking for an experienced Java developer to implement both encryption and decryption functionalities using the RFC8818 algorithm. The primary focus is on h...
Read moreDeFi Ecosystem Portfolio Management Specialist
Seeking a concentrated, multi -layer investment portfolio of Defi ecosystem project/ protocol/ platform tokens. Seeking VC style exposure (Up to twenty -five co...
Read moreTRC20 Blockchain Expert Needed
I'm looking for a TRC20 and Tron network expert to assist with ongoing projects. Your role will involve: - Implementing blockchain solutions - Troubleshooting i...
Read moreHow to find a suitable Input point for Satoh’s Miller’s inversion algorithms when subfield point compression is used with ʙɴ elliptic curves?
Hello! do you have a deep understanding in Miller’s algorithm for pairing along applying elliptic curve isomorphisms ? This would be for working around an exper...
Read moreWindows Blockchain App Development
I'm looking for a skilled software developer to create a Windows desktop application focused on blockchain, cryptocurrency, and smart contracts. Key Requirement...
Read moreAndroid TV Developer for Educational Offline Player
Job Title: Android TV App Developer for Offline Educational Media Player Project Overview: We are Qalam, an educational project based in Hargeisa. We are launch...
Read moreBSC Token Creation with Staking and Minting
I need a developer to create a token on the Binance Smart Chain (BSC). Token Details: - Name: **** - Symbol: **** - Total Supply: 1,000,000,000 tokens - Decimal...
Read moreDecrypt AES/SM2 Ciphered Message
I'm seeking an experienced cryptographer to help decrypt a message that I believe was encrypted using either AES or SM2 encryption. While I'm unsure about the e...
Read moreBlockchain-Based Secure File Storage System
I'm looking to develop a blockchain-based storage system where individual users can securely upload files through a web portal. The system should ensure data in...
Read moreExpert Crypto Recovery Needed
I am in urgent need of an experienced and trustworthy crypto recovery specialist to help regain access to my Ethereum wallet containing Shping tokens. The walle...
Read moreCross-Chain Crypto Wallet Code Audit
I'm seeking a highly experienced crypto developer to conduct a thorough audit of our cross-chain crypto wallet code. The primary focus is on identifying and add...
Read moreAI Training for Cybersecurity
I'm developing an AI network focused on cybersecurity and need an experienced ethical hacker to assist in training. Your practical hacking experience is invalua...
Read moreMonero Key Generation
Seeking a PHP developer with cryptographic expertise to implement a self-contained Monero key generation solution; further details upon proposal.
Read moreDecrypt Encrypted Text Files - 17/07/2025 16:17 EDT
I need assistance with decrypting/decoding some text files. Unfortunately, I don't know the encryption algorithm used or the format of the text files Ideal skil...
Read moreDart Encryption Implementation and Optimization
I'm seeking a skilled developer with expertise in Dart to assist with implementing and optimizing encryption algorithms in my project. The focus is on utilizing...
Read moredigital Transfer Task
I need a reliable freelancer to assist with a one-time digital wallet task for a personal project. Involves a secure wallet transfer (BEP20) Budget available vi...
Read moreTRC20 Token Expert Needed
I need an expert in TRC20 token deployment. Key Requirements: - Custom functionalities like minting and burning - Minting and burning based on specific conditio...
Read moreDevelop Blockchain-Based Financial System
I am seeking a skilled developer to create a comprehensive system for managing a spectrum of financial products, specifically IPR protected long-term hedge cum...
Read moreFOS token DApp
We're currently focused on customized token DApp which can work on multiple chains, and looking to hire some talents who can bring this into life. If you're ava...
Read moreChip-based Smart Card Cloning
I need a skilled professional to clone a chip-based smart card (e.g., EMV) specifically for the purpose of accessing activation data. Essential requirements: -...
Read moreLinux XML Digital Signature Tool
XML Dig Sig on Linux We need to write a Java, Python or NodeJS command-line tool which would sign our XML with a PEM key. The desired output should look like th...
Read moreBlockchain Web3 Developer to lead our smart contract development
I need a senior blockchain developer to help us implement our strategy in the rapidly evolving blockchain and cryptocurrency space. Your Role: - Develop core sm...
Read moreSenior Blockchain Developer for Strategy Implementation
I need a senior blockchain developer to help us implement our strategy in the rapidly evolving blockchain and cryptocurrency space. Your Role: - Develop core sm...
Read moreCrypto Project Developer Needed
I'm looking for an experienced developer to bring my crypto project to life. Key requirements include: - Expertise in cryptocurrency creation, crypto wallet dev...
Read moreSolana Utility Token Development
I need a skilled Solana token developer to create a utility token. Key Requirements: - The token will be primarily a utility token. - It should grant access to...
Read moreCrypto Codebase Expert Needed
I'm seeking an expert in cryptocurrency manipulation, specifically for codebase modification. Key requirements include: - High knowledge of crypto and various c...
Read more