Blockchain projects — HireLancer archive

ID / Date Listing

HL-40209503

Blockchain Certificate Verification Web App

I need a complete, student-facing web application that lets users prove the authenticity of their academic certificates through blockchain hashing. The flow is...

HL-40209134

Stable coin

I want to launch a simple USDT Stable Coin and I want it live on any of the three major networks: BEP20 (Binance Smart Chain), ERC20 (Ethereum), and TRC20 (Tron...

HL-40208576

Ai agent for trading

We have a ne trading Ai Model octopus-6. He perceive the blockchain 400ms faster than human-coded bots. We restricted his trading volume to avoid market detecti...

HL-40208547

Ethereum MEV Arbitrage Bot Development

Production-Ready Ethereum MEV Arbitrage Bot Bidding ends in 2 days, 21 hours I need a full-stack, production-grade MEV trading bot that continually scans Ethere...

HL-40207127

On-Chain slotbased Development

ON-CHAIN MATRIX SYSTEM — UPDATED REQUIREMENTS 1) GENERAL - The system is 100% on-chain, immutable, and permissionless. - Users register once and activate slots...

HL-40207135

Web3 Strategy Game Development

Our company has an ongoing project that requires assistance in two main areas. 1. completing approximately 70% of the remaining game development for an existing...

HL-40206867

BEP-20 Token with Tax Logic

I need someone experienced with OpenZeppelin and Taxes? The task is to add Taxes and Anti Whale functionality and create my BEP-20 token. I need something simpl...

HL-40206034

Europe Smart Contract Expert Needed

I’m lining up a new blockchain project and want to work directly with a smart-contract developer who is already based in Europe so our time zones stay in sync....

HL-40205418

• Deep interaction with ERC-20 tokens, approvals, balances, and transfers • Optimize DEX routing, slippage control, and execution guarantees • Build and maintain fail-safe logic to ensure transactions either complete fully or revert • Collaborate on hi

We’re looking for a technically strong DeFi specialist to work with advanced, short-duration liquidity strategies involving major stable assets. This role focus...

HL-40204520

TRC20 Smart Contract Development

Hi, I’m building a blockchain/Web3 project and I’m looking for a skilled blockchain developer who can help design and build the project using blockchain technol...

HL-40203879

Blockchain Wallet GA4 Tracking Setup

I need Google Analytics 4 to register every meaningful moment a visitor interacts with our Ethereum-based wallet integration. The scope covers: • Wallet connect...

HL-40203361

USDT Buy & Cash-out Help

I need someone who can walk me through the complete cycle of moving funds from my Indian bank account into USDT and then back out to INR whenever I choose. I am...

HL-40202752

Multi-Exchange Crypto Tradable Software

I need an advanced crypto fl@shing application that works seamlessly across major exchanges—including Binance, Coinbase, Kraken—and can be extended to Kucoin an...

HL-40201269

BSC DVP Smart Contract Development

I'm looking for an experienced blockchain developer to create a smart contract on the Binance Smart Chain for a decentralized value proposition (DVP) platform....

HL-40201270

Legacy Crypto Contract Recreate and Interaction

Hello I'm looking for an experienced crypto developer or blockchain expert who understands how to work with older (legacy) smart contracts, not new, easily depl...

HL-40200332

Blockchain Smart Contract Development

I need a seasoned smart-contract developer who can take my concept from architecture through secure deployment. At this stage I’m still deciding whether Ethereu...

HL-40200011

Investment Crypto Token Business Plan

I’m preparing to launch a new cryptocurrency token positioned purely as an investment product for retail investors and I need a rock-solid business plan to guid...

HL-40199930

AI Integration for an Existing Web3 Website

I’m looking for an experienced developer/team to integrate AI functionality into an existing Web3 website. The goal is to enhance user experience, automation, a...

HL-40199484

AI Blockchain and IoT Suite

I am rolling out a trio of inter-linked prototypes that tackle pressing urban and environmental challenges while showcasing cutting-edge AI, blockchain, and IoT...

HL-40196515

Monad Pool Price Dashboard

i want to send MONAD uniswap v4 pool swaps and getting pool prices.

HL-40196519

Monad Uniswap Swap & Price Python Codes

I need a compact script or small utility that talks to Uniswap on the Monad network and does two things in the same code-base: • Fetch the latest pool price for...

HL-40196149

Cryptocurrency Platform Development

I am looking for an experienced blockchain developer to create a new cryptocurrency platform with its own coin system and its own blockchain system Key requirem...

HL-40194937

Blockchain-Native Autonomous Economic Agent Creation

A distinctive type of AI agent that stands out from typical ones (like standard chatbots, virtual assistants, or simple automation bots) could be a Blockchain-N...

HL-40194259

BTC/ETH Mnemonic Balance Scanner

I need a high-performance Python application that runs natively on Windows and brute-derives 12-word BIP-39 mnemonic phrases, checks the resulting Bitcoin and E...

HL-40194201

Crypto Seed Scanner Upgrade

I have a 12-word BIP-39 seed phrase and a partially working scanning script (“Unlimited Crypto”) that should comb through every derivation path, identify addres...

HL-40193046

SHA256 Coin Mining Pool Setup

I launched a new SHA-256 coin two months ago (see sha256coin.eu) and now need a production-ready mining pool that can comfortably handle ASIC hash rates. Both u...

HL-40191971

Digital Asset Exchange Upgrade 2.0

# **SEAGOLL 2.0 Digital Asset Exchange Outsourcing Project – Open Tender (RFP)** **Project Code:** SEAGOLL 2.0 **Procurement Mode:** **Open Competitive Bidding*...

HL-40189654

Crypto Credit Card Site Build

I want a fully custom-built web platform that mirrors the experience of Rewarble, letting users load a virtual or physical credit card with cryptocurrency and t...

HL-40187833

Freelance Smart Contract/Blockchain Engineer Needed

Position: Freelance Smart Contract / Blockchain Engineer Type: Contract / Freelance Location: 100% Remote Workload: Part-time or task-based Compensation: $30–$5...

HL-40187065

Multi-Exchange Crypto Flashing Software

I need an advanced crypto flashing application that works seamlessly across major exchanges—including Binance, Coinbase, Kraken—and can be extended to Kucoin an...

HL-40187070

Comprehensive Meme Coin Trading Platform

Here is the comprehensive content of the TrendIQ Developer Scope document, organized for clarity and scannability.1. Project OverviewThe objective is to build a...

HL-40186971

Card to Crypto API no kyc

I’m looking for a practical way to let customers pay me with any major credit / debit card on my WordPress site while I receive the funds immediately in crypto,...

HL-40186678

Binance Smart Chain DApp Development

I’m gearing up to launch a full-fledged DApp on Binance Smart Chain and I’d like an experienced blockchain developer to bring it to life. The core of the job is...

HL-40185032

Scale NFT Platform with Node/Next

We are a Web3-focused product team building a modern, scalable NFT Marketplace on Polygon/Ethereum. Our goal is to transform an existing NFT marketplace into a...

HL-40181631

Native Indonesian Female Video Presenter

I’m producing a marketing and promotion tutorial for a new blockchain app and need a female on-camera presenter who can switch smoothly between clear, neutral E...

HL-40181638

Custom Crypto Payment Gateway

I need a fully self-hosted PHP solution that lets me accept and track crypto payments without relying on any third-party processor or API. The gateway must hand...

HL-40180526

Ethereum Payment Gateway with Fraud Detection

I’m putting together a consumer-to-business payment gateway that runs entirely on Ethereum. The goal is for any online shop or SaaS platform to accept on-chain...

HL-40180542

Laravel USDT Payment Gateway Integration

My SaaS platform is written entirely in Laravel and I now need to add the ability for customers to pay in USDT. The scope is focused solely on receiving payment...

HL-40180574

Ethereum Public Chain Payment Gateway

I am building a service that must accept one-time customer payments directly on a public blockchain. My preferred rail is Ethereum, so the core of the job is a...

HL-40180381

Advanced Solana Developer Required

Project Execution Roadmap: Web & Mobile Focus Confidentiality Protocol: This project's core Intellectual Property (IP) is protected. Full disclosure of the spec...