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We are looking for an experienced Full Stack Developer with strong knowledge of cryptocurrency, blockchain integrations and security to build a lightweight crypto escrow platform. The platform should be inspired by the simplicity of: [login to view URL] but only include the essential features required for a secure escrow service. Public Website The website should allow buyers and sellers to: Create an escrow transaction Register/Login Deposit cryptocurrency Track payment confirmations Communicate through the escrow process (optional internal messaging) Release or refund funds according to the escrow workflow Receive email notifications The interface should be clean, professional and easy to use. Supported Cryptocurrencies The platform should be designed so additional cryptocurrencies can easily be added. Initially we would like support for: Bitcoin (BTC) Monero (XMR) Please explain your proposed architecture for adding additional cryptocurrencies later. Escrow Features The system should include: Unique escrow Order ID Buyer & Seller accounts Escrow status tracking Deposit detection Release funds Refund funds Dispute status Admin override Fee calculation Wallet history Audit log Status examples: Awaiting Payment Awaiting Confirmations Funded Released Refunded Disputed Cancelled Wallet Integration The system must support either: Self-hosted full nodes Examples: Bitcoin Core RPC Monero Wallet RPC Blockstream Mempool BlockCypher Tatum Other professional solutions Please explain which solution you recommend. Security Requirements Security is the highest priority. The project should include industry best practices: HTTPS / SSL CSRF protection XSS protection SQL Injection protection Rate limiting Secure session management Argon2 password hashing Two-Factor Authentication (2FA) Encrypted wallet/key storage Environment variables for secrets Audit logging Role-based permissions Protection against replay attacks Secure withdrawal validation Do NOT hardcode private keys anywhere in the application. Wallet Information For each escrow transaction the system should store and display (when appropriate): Order ID Deposit Address Confirmation count Escrow fee Amount received Amount released Date and time For Monero support, if implemented, include handling for: Wallet Address Private View Key (Only if absolutely necessary) Secret Spend Key Sensitive wallet information must be encrypted and only accessible to authorized administrators. Admin Dashboard The administrator dashboard should allow me to: User Management Create users Suspend users Delete users Reset passwords Lock accounts View login history Escrow Management View every escrow Filter by status Search by Order ID Search by wallet address Search by TXID Search by username Force release Force refund Freeze escrow Flag suspicious transactions Reports Generate reports by date range including: Number of escrows Total volume Total fees collected Released transactions Refunded transactions Disputed transactions Failed transactions Technical Requirements We are open to the technology stack, but preference will be given to modern, secure frameworks. Preferred technologies include: Backend Rust Go Node.js Laravel (if security is well implemented) Frontend React [login to view URL] Vue Database PostgreSQL Deliverables The project will be considered complete when I can: Deploy from a clean repository Configure environment variables Connect my own Bitcoin node or blockchain APIs Run the complete escrow workflow Test deposits Detect confirmations automatically Release funds Process refunds Log in as administrator Manage users Manage escrows Generate reports without application errors. Documentation Please include: Installation guide Configuration guide API documentation Database schema Sample data Deployment instructions Security recommendations Required When Applying Please include: Examples of previous crypto projects Experience with Bitcoin, Monero or blockchain development Technologies you recommend and why Estimated timeline Estimated budget Whether you recommend self-hosted nodes or third-party blockchain APIs
Project ID: 40606577
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126 freelancers are bidding on average $734 CAD for this job

Hi there, We understand you're looking to develop a lightweight crypto escrow platform with essential features for secure escrow services, inspired by the simplicity of guaranty-escrow.com. Our team at Webbook Studio has experience with cryptocurrency and blockchain integrations, having worked on various projects, including a custom PHP development for a web/digital agency and a WordPress site for an electric bike company, which involved integrating payment systems. For adding additional cryptocurrencies, we propose a modular architecture that allows for easy integration of new cryptocurrencies through a plugin-based system, ensuring scalability and flexibility. Can you please share your thoughts on the preferred technology stack for this project, and whether you have any specific requirements for the frontend framework, such as React or Vue? Feel free to message us to discuss the details! — Webbook Studio
$660 CAD in 10 days
9.2
9.2

Hello, As a full stack developer at Our Software, I believe I can provide the perfect solution for your Crypto Escrow project. With my in-depth knowledge of HTML, JavaScript, PHP and experience in the industry, I am well-versed in handling the challenges of secure cryptocurrency platforms. We have a strong track record of crafting clean and professional interfaces that are user-friendly and your website will be no exception. Regarding blockchain integration, I propose using Node.js as the backend technology due to its flexibility and security measures provided. For frontend, Vue.js is a modern framework we have great expertise in for providing clean interfaces. To accommodate future crypto-currencies, we would create abstraction layer to enable simple addition of new cryptocurrencies. Consideration for security is an essential part of our work process and we follow the highest industry standards to ensure data encryption and preventing malicious activities. Lastly, our services do not only translate to technical milestones but value-added services too. Once the escrow platform is up and running, we don’t leave our clients high and dry; we offer comprehensive documentation including installation guide, configuration guide as well as security recommendations. With dedication towards making your vision become a reality, let’s build that crypto escrow platform you require! Thanks!
$450 CAD in 4 days
8.6
8.6

Hi — Elias here from Miami. I see you’re looking to develop a crypto escrow platform, which has the potential to facilitate secure transactions in a rapidly evolving market. Understanding the nuances of cryptocurrency transactions—especially with Bitcoin and other altcoins—is crucial for this project. The real technical challenge will likely revolve around security and transaction reliability. Cryptographic integrity and compliance with financial regulations will be key. A common issue in systems like this is ensuring that all user interactions are seamlessly integrated while maintaining robust permissions and state management. My approach would focus on a modular architecture using PHP and JavaScript, ensuring that each component can be easily managed and scaled. Prioritizing security, I’d implement thorough testing and CI/CD practices to maintain stability. I’ve worked on similar blockchain applications, where user experience and security were paramount. A few questions to better understand the scope: Q1 – What specific user roles and permissions do you envision for the platform? Q2 – Are there particular cryptocurrencies you want to support initially? Q3 – How do you plan to handle compliance with local regulations for crypto transactions? Happy to go through the details and suggest the best technical approach. Looking forward to hearing from you.
$600 CAD in 5 days
8.7
8.7

Hello, I can develop your secure crypto escrow platform from scratch with a strong focus on blockchain security, scalability, and performance. I have already developed similar blockchain platforms, including crypto wallets, token systems, blockchain integrations, and secure transaction-based applications, so I understand the architecture required for reliable escrow. Development Approach: Analyse requirements & design secure escrow architecture. Build Buyer/Seller portal and Admin Dashboard. Integrate Bitcoin Core RPC and Monero Wallet RPC (or professional APIs if preferred). Implement escrow workflow, confirmation tracking, release/refund, dispute handling, audit logs, and notifications. Apply security best practices including 2FA, Argon2 hashing, encrypted key storage, RBAC, rate limiting, and secure withdrawal validation. Complete testing, deployment, and documentation. I recommend a modular wallet architecture, making it easy to add new cryptocurrencies without changing the core escrow logic. Questions: Do you prefer self-hosted Bitcoin/Monero nodes for maximum control, or would you like to start with a managed blockchain API? Will escrow releases always be handled manually by the admin, or do you plan to support automatic releases based on predefined conditions? I can start immediately and deliver a secure, production-ready solution with clean, maintainable code. Thanks Rahul
$1,500 CAD in 20 days
8.8
8.8

YES, I will build your secure crypto escrow platform with BTC/XMR integration, escrow workflows, wallet monitoring, confirmation tracking, release/refund logic, admin controls, audit logs, 2FA, and strong security practices. I’ll design the architecture for easy future cryptocurrency integration and provide complete documentation and deployment support. Please ping me to get outstanding results. Thanks!!
$700 CAD in 7 days
8.2
8.2

Hello, I can help with your "Crypto Escrow Platform (Bitcoin & Multi-Crypto) – Full Stack Developer" project. I build clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, javascript, software architecture, html, blockchain, full stack development, security, cryptocurrency, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. You'll get clean commits and clear documentation. Can we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "Project was delivered before Time with Best professional Knowledge One could ever held. Thanks for the support" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$450 CAD in 7 days
7.7
7.7

I have worked with lots of crypto website and blockchain technologies so i can handle this project very well I have few questions about your project so lets discuss more about this in chat i will be waiting for your reply Thanks
$1,000 CAD in 30 days
7.9
7.9

Hello, I see you're looking to build a straightforward crypto escrow platform that prioritizes security and user experience. With my 7+ years of experience in full-stack development and a solid background in cryptocurrency and blockchain technologies, I can help create a platform that allows users to seamlessly create transactions, deposit funds, and track their escrow status. I would focus on a clean and professional interface that simplifies the escrow process, while implementing robust security measures to protect sensitive information. For supporting additional cryptocurrencies, I would design the system with modularity in mind, allowing for easy integration of new currencies down the line. One question I have is about your preferred method for wallet integration—do you lean towards self-hosted nodes for better control, or would you prefer third-party APIs for ease of use? Best regards, Ivan Mandinski
$500 CAD in 2 days
7.6
7.6

Building the escrow workflow is only half the job here—the real challenge is making BTC and XMR deposits reliable while keeping key management isolated and giving admins enough controls without creating security gaps. I'd build this with a React frontend, a Node.js backend, and PostgreSQL. I'd keep blockchain integrations behind a dedicated wallet service so Bitcoin Core RPC and Monero Wallet RPC can be swapped or extended later without changing the escrow logic. Every escrow would move through a defined state machine, with confirmation polling, immutable audit logs, role-based permissions, and encrypted storage for any sensitive wallet data. Withdrawal requests should also be validated against the current escrow state to prevent duplicate or replayed releases. For production, I'd recommend self-hosted Bitcoin Core and Monero Wallet RPC over third-party APIs since you retain full control over security, privacy, and reliability. One question: do you expect the platform to hold custody of funds until release, or should signing be isolated through a separate wallet service? I'd be happy to outline the architecture, timeline, and deployment approach before development begins.
$500 CAD in 7 days
6.9
6.9

Hi, I can build a secure, lightweight crypto escrow platform using React, Supabase, PostgreSQL, and dedicated blockchain services for Bitcoin and Monero. React will power the buyer, seller, and admin interfaces, while Supabase will handle authentication, PostgreSQL data storage, role-based permissions, real-time status updates, audit logs, and secure server-side functions. Sensitive wallet operations will remain isolated from the frontend and processed through protected backend services. For Bitcoin, I recommend Bitcoin Core RPC with an optional Blockstream or Mempool fallback. For Monero, I recommend Monero Wallet RPC with encrypted credentials and view-only access wherever possible. A modular blockchain adapter will make it easier to add more cryptocurrencies later. The platform will include escrow creation, unique order IDs, deposit detection, confirmation tracking, fees, release/refund workflows, disputes, admin overrides, notifications, reporting, 2FA, rate limiting, encrypted secrets, secure withdrawal validation, and complete audit logging. Private keys will never be stored in React or hardcoded. Estimated timeline: 8 to 12 weeks. I will also provide installation, configuration, API, database, deployment, and security documentation.
$250 CAD in 5 days
6.8
6.8

Hello, I have 10 years of experience developing secure, scalable web applications using Laravel, React.js, Node.js, PostgreSQL, REST APIs, and cloud deployment. For your crypto escrow platform, I recommend React.js with Node.js and PostgreSQL, as this stack provides excellent performance, modular architecture, and flexibility for integrating additional cryptocurrencies in the future. I would design the wallet integration behind an abstraction layer, making it straightforward to add new blockchain providers or self-hosted nodes without affecting the escrow workflow. For production, I recommend self-hosted Bitcoin Core and Monero Wallet RPC for maximum security and control, with support for third-party APIs during development if required. The platform will implement secure authentication, 2FA, encrypted key storage, role-based access control, audit logging, rate limiting, and industry-standard protection against common web vulnerabilities. I have experience building secure API-driven platforms and would be happy to discuss the architecture, timeline, budget, and implementation approach in detail. Best regards
$250 CAD in 7 days
7.0
7.0

As an experienced full-stack developer, I am well-versed in working with blockchain technology and have a strong understanding of security concerns associated with cryptocurrency platforms. Moreover, I have expertise with the preferred technologies for this project including Rust, Node.js and Go. Considering your interest in a secure framework, my proficiency with Laravel should come in handy. I am steadfastly committed to industry best practices of security like HTTPS/SSL, CSRF protection, SQL injection protection and rate limiting, among others, ensuring the utmost security for your platform. Not only are your technical requirements important to me but so is providing you with an intuitive and seamless user experience. Your escrow workflow will be automated end-to-end from deposit detection to releasing or refunding funds all while users can comfortably track its progress. Importantly, the interface will be clean yet professional making it easy-to-use for both buyers and sellers. I will also ensure multi-crypto support – starting with Bitcoin (BTC) and Monero (XMR) - by designing it in a way that additional cryptocurrencies can effortlessly be added later.
$250 CAD in 7 days
7.2
7.2

Hello!, This is James from Hollywood... I read your Crypto Escrow Platform description carefully, and I understand you need a secure escrow system for Bitcoin and multi-crypto payments, not just a basic wallet flow. The key here is trust, clean transaction handling, and solid security from day one. I have about 15 years of full-stack experience with PHP, JavaScript, blockchain-related systems, security-first architecture, and transaction-based platforms. I’ve built financial tools, SaaS products, and admin systems where accuracy, logging, and reliability really matter. My approach would be: 1) Clarify escrow rules, user roles, and release/dispute flow 2) Build a secure backend with transaction tracking and audit logs 3) Develop the frontend/admin panels and wallet/payment integrations 4) Test all edge cases before launch so nothing breaks in real use A few relevant examples: - crypto payment dashboard for a niche SaaS tool - multi-wallet transaction portal for a trading community app - PHP admin system with audit logs for a fintech startup - secure checkout workflow for a crypto merch store Could you please clarify the following questions to help me better understand the project? 1) Which coins do you want supported at launch? 2) Do you need dispute handling and admin approval in the escrow flow? 3) Do you already have a wallet/provider in mind, or should I recommend one? If you want, I can also outline the safest technical plan for the build.
$650 CAD in 3 days
6.6
6.6

Hi, I have strong experience building secure full-stack platforms with blockchain integrations, cryptocurrency workflows, and backend security best practices. I can help you develop a lightweight crypto escrow platform with a clean user experience, reliable transaction tracking, and a scalable architecture that supports adding more cryptocurrencies in the future. My approach would focus on security-first development, including secure wallet handling, encrypted sensitive data, role-based admin controls, audit logs, authentication protection, and proper blockchain integration using either self-hosted nodes or trusted APIs depending on your requirements. I can design the system to support Bitcoin, Monero, and future assets with a maintainable architecture. I can deliver a complete solution including frontend, backend, database design, deployment setup, documentation, and testing of the full escrow workflow from deposit to release/refund. I would be happy to discuss the preferred architecture, timeline, and implementation strategy for building a reliable crypto escrow platform.
$300 CAD in 7 days
6.4
6.4

Your escrow platform will fail security audits if you store private keys in the database without hardware security module integration. Most developers miss this until post-launch when you're handling real funds. Quick questions - are you planning to use HD wallets with derivation paths for unique deposit addresses, or individual wallet instances per transaction? And what's your target transaction volume per day so I can recommend the right node architecture versus API hybrid approach? Here's the architectural approach: - BLOCKCHAIN INTEGRATION: Implement abstracted wallet service layer with Bitcoin Core RPC + Monero Wallet RPC initially, then plugin architecture for adding Ethereum/Litecoin later without touching core escrow logic. - SECURITY STACK: Build with Argon2id hashing, Redis-based rate limiting, encrypted vault for view keys using AES-256-GCM, TOTP 2FA, and PostgreSQL row-level security policies that prevent even compromised admin accounts from bulk exporting wallet data. - ADMIN DASHBOARD: Create real-time WebSocket feed for deposit confirmations, advanced filtering with full-text search on TXIDs, automated flagging system for transactions above threshold amounts or unusual confirmation delays. I've built two production escrow systems processing $2M+ monthly volume with zero security incidents. Let's schedule a 20-minute architecture review call to align on your node infrastructure before development starts.
$450 CAD in 10 days
7.3
7.3

Hello! We can build a secure crypto escrow platform for your workflow. 1. Do you prefer self-hosted nodes or third-party blockchain APIs? 2. Which blockchain integration should be prioritized first? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$500 CAD in 7 days
6.7
6.7

I understand you want a simple, secure crypto escrow platform supporting BTC and XMR, with an admin dashboard and strong security. For adding cryptocurrencies later, I suggest designing a modular wallet interface where each coin integrates via a separate handler. This keeps the core escrow logic stable when adding more tokens. Regarding blockchain access, I recommend self-hosted full nodes for Bitcoin Core RPC and Monero Wallet RPC. They provide the highest security and control versus third-party APIs. Running your own nodes also ensures faster and more reliable confirmation tracking without external dependencies. I propose using Go for the backend for its concurrency benefits and security features, paired with React for a clean, responsive frontend. PostgreSQL will reliably handle escrow data with full audit logs. Based on similar fintech projects, I can build the escrow flow with real-time confirmation detection, encrypted wallet data storage, 2FA, and admin override controls that match your status and reporting requirements. How many concurrent escrow transactions do you expect initially? That will help size the database and node setup. Also, do you want internal messaging included from the start or deferred? I can provide a clear deployment guide for spinning up Bitcoin and Monero nodes, configuring env variables, and running the platform. Ready to start defining milestones and timeline so you quickly get a working escrow system with your chosen security standards.
$250 CAD in 7 days
6.1
6.1

Hello, Your crypto escrow platform is a strong match for my experience with web development, APIs, blockchain integrations, secure authentication, and scalable software solutions. I can quickly understand the escrow workflow and develop the core experience around Bitcoin and Monero, including deposits, confirmations, releases, refunds, disputes, wallet tracking, admin controls, audit logs, and reporting. For the architecture, I can structure cryptocurrency integrations separately so additional networks can be added later without affecting the main escrow workflow. I can also work with self hosted nodes or reliable blockchain APIs depending on your security and maintenance priorities. Security would be a major focus throughout the application, including encrypted sensitive data, 2FA, secure sessions, rate limiting, access controls, and strict handling of wallet credentials. I would prefer a quick call or meeting to understand your goals clearly and make sure I am aligned with your expectations from the start. We can also discuss the recommended stack, timeline, and budget based on the existing requirements. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
$500 CAD in 7 days
5.7
5.7

As an experienced Full Stack Developer, specializing in Blockchain and Fintech projects, I am confident that I possess the perfect skill set to deliver your reliable, secure, and scalable Crypto Escrow Platform. Over the span of my 8+ years career, I have managed full-cycle development for a number of startups, large companies, and even Web3 projects. Through this, I have gained an in-depth understanding of cryptocurrency transactions, blockchain integrations, and security protocols. My expertise with multiple cryptographic protocols including Bitcoin Core RPCs, Blockchain APIs such as Blockstream and Mempool will be invaluable to your project. Additionally, my proficiency with industry-leading technologies like Rust(or others), which emphasize security and maintainability will ensure that we create a robust and light-weight Crypto Escrow Platform for you. Moreover, when we talk about an escrow service like this, trust is paramount. In fact, in my previous projects within Fintech ecosystems and smart contract workflows - just to name a few - I have successfully integrated Nexus, Coinbase and Binance; employed Argon2 password hashing; implemented Two-Factor Authentication (2FA); used encrypted wallet/key storage; employed role-based permissions ensuring the highest level of security possible. Let’s collaborate and transform your vision into reality securely and efficiently –Let's build digital trust together!
$300 CAD in 7 days
5.7
5.7

I built escrow flows like this last year: multi-crypto support (BTC, XMR), wallet integration via self-hosted Bitcoin Core RPC, admin overrides, full audit logging, with strict separation of key-handling. The frontend was React, backend Node.js with PostgreSQL. For adding more coins, I’d design a modular wallet connector. Each crypto gets its adapter (Bitcoin, Monero via their RPC), so a new chain is an adapter, not a rewrite. Self-hosted full nodes every time—security and control beat third-party APIs for escrow. You sign every deposit/release via the node. Withdrawal validation runs checks against the database and current confirmations, never hardcoded keys. Argon2 for password hashing, JWT or session tokens, 2FA, CSRF and XSS defense baked in. You want XMR—do you have a node available, or build support/testing with testnet first? Pradeep
$500 CAD in 7 days
5.3
5.3

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