Non-Custodial Crypto-Fiat Financial Platform Development
£250-750 GBP
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We are developing a secure, non-custodian crypto on-ramp and off-ramp platform to facilitate seamless crypto-to-fiat and fiat-to-crypto transactions. This platform will allow users to convert between crypto (e.g., BTC, USDT) and fiat currencies (GBP, EUR) with KYC, KYT, and security measures integrated at each step to ensure compliance and a smooth user experience.
Core Workflows:
On-Ramp (Fiat to Crypto):
User Process: The user undergoes KYC at onboarding, then deposits fiat (GBP, EUR) via Modulr (or similar) API.
Video Waiver: Before proceeding, the user records a video acknowledgment of risk and waiver of indemnity, securely stored for compliance purposes.
KYT for External Wallet: The user’s external wallet address undergoes KYT verification for compliance.
Crypto Purchase and Delivery: Once fiat is received, the platform initiates a crypto purchase via the liquidity provider, deducting a pre-set commission.
Crypto Transfer: The acquired crypto is transferred to the user’s external wallet, completing the transaction.
Off-Ramp (Crypto to Fiat):
User Process: The user submits crypto (BTC, USDT) for fiat conversion, undergoing initial KYC if not already completed.
Immediate USD Conversion: Upon receiving crypto, the platform converts it into USD through the liquidity provider to minimize exposure.
Instant Fiat Payout: Using an external fiat provider (e.g., Modulr), the user receives an IOU equivalent to the converted amount in their chosen fiat currency (GBP, EUR) for an immediate experience.
Settlement Period: The backend processes the 24-hour BitGo settlement for USDT, ensuring our system’s liquidity while the user experiences no delay in the fiat payout.
Technical Stack:
Backend: Node.js
Frontend: React
Databases:
MongoDB for user management, blockchain logs, and transaction data.
PostgreSQL for fiat settlement data.
MongoDB + Document Storage for storing KYC files and video waivers.
Redis for session management and API rate limiting.
Elasticsearch for audit logs.
Integrations:
Wallet Infrastructure & Liquidity: BitGo for wallet management and liquidity provision.
Pricing API: CoinMarketCap for real-time rate fetching.
Fiat Payout: Modulr for handling fiat deposits and payouts in GBP and EUR.
KYC & KYT: Sumsub for KYC verification during onboarding, KYT for wallet address validation, and video acknowledgment for risk and indemnity.
File and Video Storage:
File storage for KYC documentation and video storage for waiver acknowledgments. Video recordings will capture the user’s verbal acknowledgment of risks and indemnity waiver, stored securely for audit purposes.
Development and Communication Requirements:
Timezone and Communication: Freelancer must be available during UK business hours and provide daily updates at the start of each day.
Quality and Security Compliance: The project requires regular code submissions via Git, following best practices and structured code reviews to maintain quality, security, and compliance.
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freelancer 163 คน กำลังเสนอราคาในงานนี้ โดยมีราคาเฉลี่ยอยู่ที่ £500
I am a Node.js and React developer with expertise in building secure crypto-fiat platforms. I can integrate KYC, KYT, and security measures for seamless transactions. My experience with Modulr, BitGo, and CoinMarketCap เพิ่มเติม
Hi there I have extensive experience in developing secure and compliant platforms, making me a perfect fit for your non-custodian crypto on-ramp and off-ramp project. I have worked wit เพิ่มเติม
Hello, I appreciate the opportunity to contribute to such a comprehensive and secure on-ramp and off-ramp platform. I have extensive experience with crypto-fiat integrations, KYC/KYT compliance, and secure, non-custod เพิ่มเติม
Drawing from my extensive 7-year working background in full-stack web development with a specialization in JavaScript and Node.js, I am the ideal candidate for your Non-Custodial Crypto-Fiat Financial Platform Developm เพิ่มเติม
Dear Onaopemipo, I am thrilled to propose my team's expertise for the development of your Non-Custodial Crypto-Fiat Financial Platform. With our solid background in JavaScript, Blockchain, MongoDB, Node.js, and React. เพิ่มเติม
Hello, I appreciate the detailed project description and am excited about the opportunity to contribute to your on-ramp and off-ramp platform. I’m a blockchain developer experienced with secure, non-custodial crypto s เพิ่มเติม
With over half a decade of expertise as a full-stack web developer, I'm confident that my skill set, particularly in JavaScript and Node.js, will be a significant asset to your secure, non-custodian crypto-fiat financi เพิ่มเติม
Hello, Onaopemipo Chidindu A. my name is Prayogo, and I have been working as a Full-stack Engineer for 12 years. I have carefully read your job description and feel confident that I can successfully complete your proje เพิ่มเติม
No AI-written sales pitch here, Cristian has arrived to personally offer you something special: an undeniable blend of expertise and dedication built over years in the Blockchain field. My name is Cristian and, as a se เพิ่มเติม
Hi Chidindu, I am excited about the opportunity to work on your project for developing a Non-Custodial Crypto-Fiat Financial Platform. Your detailed project description showcases the complexity and importance of the p เพิ่มเติม
I understand the intricate nature of your project, which makes my skills in JavaScript and Node.js highly relevant. My 7-year experience in developing software solutions for complex domains like Sports Betting and Casi เพิ่มเติม
Hi, Could you provide more details about the KYC and KYT processes you’re aiming to implement? I have extensive experience with crypto platforms, including ensuring secure fiat-crypto transactions while meeting compli เพิ่มเติม
