Raspberry Pi 4 - Offline Crypto Wallet

@softsolution2000

I understand you need a bootable Raspberry Pi 4 image for an offline crypto wallet with the ability to manage addresses, sign transactions offline, and initiate bank transfers. I can deliver a tested .img file, provide source code/build scripts, and create a comprehensive setup guide. I have experience with multi-coin libraries and can integrate a banking API for ACH transfers. Security features like 2FA can be added per your request. Let's discuss further to ensure all requirements are met. Please review my profile for relevant experience. Looking forward to working on this project together.

@iosifpeterfi

I'm Iosif Peterfi, 15+ years... I deliver secure, reliable tech with clear business outcomes. This is my speciality: Offline-first, hardware-backed wallet experiences on compact devices, combining multi-coin management with encrypted key storage and user-friendly interfaces that keep control in your hands. You need a bootable Raspberry Pi 4 image that runs offline at first boot, offers a clean GUI to generate and manage about forty coins, signs and broadcasts transactions only when connected, and supports ACH-style transfers directly from the device, all while keys stay encrypted at rest and no command line is exposed. From there, I will deliver a tested image, build scripts, and a concise setup guide. The GUI will cover onboarding, balance view, and transfers; the product will work offline by design, with a straightforward path to a network for sending payments. Risks are mitigated by offline-first design, verified state checks, and clear recovery steps. Milestones ensure business value: 1) define the user flow, 2) assemble offline wallet logic, 3) package as self-contained image, 4) run end-to-end tests on Raspberry Pi, 5) provide documentation and handover. Last quarter I helped a fintech deploy an offline multi-asset kiosk on a compact device. The sign-off flow worked offline and onboarding speed improved by 40%, while reliability held during outages. 1-2 weeks. Happy to discuss scope alignment. Let's chat - I can walk you through my approach in a quick call.

@ayesha86664

Hi there! You are building a Raspberry Pi offline hardware wallet image and the real challenge is keeping multi coin key management secure while still allowing smooth signing and optional bank transfer flow without internet dependency at first boot. In a recent embedded crypto project, I built a Raspberry Pi based secure wallet prototype using encrypted key storage and offline signing flow that reduced transaction validation errors and improved cold storage reliability using C++ and Python. I also work with secure system design, Linux based device images, and production level cryptography pipelines with focus on reliability and auditability. I will create a lightweight Raspberry Pi OS image with encrypted wallet storage, GUI based transaction flow, and controlled network signing module. I will ensure offline first boot security, reproducible builds, and clean documentation for wallet setup and recovery process. Check our work: https://www.freelancer.com/u/ayesha86664 My question is, do you want hardware level encryption support like TPM emulation or purely software encrypted storage on SD card? I am ready to start - just say the word. Best Regards, Ayesha

@asharib17

I can build an offline-first Raspberry Pi 4 wallet image with a clean GUI, encrypted local key storage, first-boot setup flow, and reproducible build scripts so the system is fully self-contained and easy to reflash. The wallet side can be designed around secure key generation, multi-asset account management, transaction signing, and temporary network use only when you choose to broadcast. I’d structure it like a hardware-wallet workflow, with the Pi staying offline by default and all sensitive operations handled locally. Deliverables: • Bootable Raspberry Pi 4 .img image • GUI for setup, wallet management, balances, and signing flow • Encrypted key storage and backup/recovery process • Source code / build scripts for reproducible image generation • Setup + backup documentation One important note: direct ACH-style bank payout from crypto without a third-party exchange or licensed fiat off-ramp is not something that can usually be done as a purely self-contained offline wallet feature. That part would need a compliant banking/fintech integration, and the exact approach depends on your target country and provider. Two quick questions: Which 40 coins/tokens are mandatory for phase one? For bank payout, do you already have a licensed fiat off-ramp or banking API in mind, or should that be treated as a separate integration layer? Happy to review the exact asset list and propose the cleanest secure architecture.

@NEHABHAT92

With a decade's worth of experience in web and mobile app development, I have amassed significant knowledge of multiple programming languages such as Java, PHP, .NET, and HTML/HTML5/CSS/Responsive Design. The blend of my skills in blockchain technology and software development gives me a unique edge for the Offline Raspberry Pi 4 Crypto Wallet project. More so, I have constructed numerous e-commerce solutions with CMS-based websites in my repertoire which shall be instrumental in creating a clean graphical interface for coin generation and management. Moreover, my previous forays into mobile app development on both Android and iOS platforms have exposed me to the finer nuances of data encryption and storage. I understand how crucial it is for your wallet to be secure; your keys encrypted at rest with no internet or command line dependency. I was also excited to note that you've welcomed proposals for additional security features such as 2FA, biometrics – skills which I proudly possess. Lastly, as an integral part of your project deliverables, my company offers free 3 months support post-delivery- this proves our commitment to providing optimum service beyond completion ensuring lasting customer satisfaction. Let us partner up and create a self-contained, plug-and-play wallet image with direct bank payout capability now!

@solutionsplayers

As a Full Stack Developer, I pride myself in my versatility and ability to meet complex project requirements. With over 6 years of experience, I'm confident that I can deliver the exact solution you're looking for with your Raspberry Pi 4 bootable image for an offline cryptocurrency wallet. My skills in PHP, Laravel, React JS, and Flutter speak well to the kind of work required here as they have enabled me to develop high-performing and secure web and mobile applications. Having worked on diverse projects from custom CRMs to cross-platform mobile apps, I possess the deep problem-solving acumen needed for this project. Additionally, my expertise in multi-coin libraries such as Electrum and BTCPay would be a valuable asset to integrate into your desired functionality. While I note leveraging a banking API or ACH library is not mandatory but preferred, rest assured I'm adaptable enough to seamlessly incorporate these features into your wallet system if needed. Beyond the technical aspects, one of the defining factors of my service is an unyielding commitment to clean code and attention to detail which aligns with your specifications for reproducible source code and a self-contained package. Fostering lasting client relationships is central to my professional philosophy - this means regular progress updates and reliable post-launch support for maintenance is guaranteed. Let's join hands in turning your vision into reality with a high-performing technology solution!

@AlexVydrin

Hello, hope you’re doing well. I can design and build a bootable Raspberry Pi 4 image that behaves like a fully offline, hardware‑style wallet with a clean GUI—no command line needed. The system will generate and store encrypted keys on‑device, support ~40 major coins/tokens via proven multi‑coin libraries, and allow you to sign transactions offline, then briefly go online to broadcast. I can also integrate an ACH/banking API so you can initiate payouts to a linked bank account directly from the interface. You’ll receive a tested .img ready for Etcher, the full source/build scripts, and a concise setup/backup/transfer guide so you can reproduce and operate the wallet with confidence.

@MIndlabsAi6

Hello, I am Vishal Maharaj, with 20 years of experience in C Programming, C++ Programming, Software Development, API Integration, and Blockchain. I have carefully reviewed your project requirements for creating an offline Raspberry Pi Crypto Wallet. I propose to develop a bootable .img image for the Raspberry Pi 4 that functions as a fully offline hardware wallet, supporting address generation, transaction signing, and direct bank transfers. The solution will include a user-friendly graphical interface, robust security measures to keep keys encrypted on the device, and detailed documentation for setup and usage. I am open to discussing additional security features and can integrate multi-coin libraries and banking APIs for enhanced functionality. Let's discuss further details in chat. Cheers, Vishal Maharaj