ECash POS is a production-ready, QR-based point-of-sale system that brings secure, instant, and offline-capable digital cash to real-world commerce. Trusted by e-commerce platforms, retail stores, kiosks, casinos, e-bingo halls, and transportation systems worldwide, ECash POS is redefining how digital money works — fast, reliable, and independent of traditional banking systems.
Powered by a revolutionary entropy–chaos algorithm, ECash POS enables transactions without blockchain, cryptographic keys, or centralized ledgers, giving merchants, operators, and developers a truly offline-first digital cash ecosystem.
Screenshot #1: Settings - account no., protocol no., account name, currency and account name
Screenshot #2: Balance - displays selected currency's balance
Screenshot #3: Options - share account QR code, scane QR code and transaction history
- Trusted by retail stores, e-commerce shops, kiosks, casinos, e-bingo platforms, and transportation systems.
- Thousands of merchants and operators rely on ECash POS for daily operations.
- Fully integrated into high-volume environments with millions of offline and online transactions.
- Customers scan or present QR codes for instant payments.
- Transfers are executed by splitting and merging e-cash structures, mimicking the speed and convenience of cash.
- Works 100% offline, ideal for remote areas, rural markets, off-grid locations, and high-density events.
- Transactions complete without internet, cloud servers, or network validation.
- Supports device-to-device QR/optical transfers with deterministic integrity.
- E-cash exists as spatial constructs in a virtual environment.
- Inactive e-cash collapses into entropy, preventing duplication, forgery, or double-spending.
- Only re-emerges at the correct virtual address via the entropy–chaos algorithm.
- No blockchain, cryptography, or centralized accounts required — security is intrinsic and deterministic.
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Splitting & Merging
- Value is structural rather than numeric.
- Transfers involve splitting e-cash from the sender and merging it into the recipient’s virtual environment.
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Spatial Virtual Addressing
- Each e-cash unit has a unique virtual location.
- Data emerges only when the correct address is resolved.
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Double-Spend Prevention
- Once merged into the recipient’s structure, the sender no longer holds the original instance.
- Eliminates double-spending without ledgers or blockchains.
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Offline & Optical Transfer
- QR codes carry transfer payloads.
- Transactions are self-contained, secure, and deterministic.
- Open-source, modular, and highly integratable for wallets, merchant platforms, and custom financial systems.
- Lightweight and deterministic, suitable for web, mobile, and embedded devices.
- Offline-first design ensures resilience in remote, high-traffic, or low-connectivity environments.
- Extensible for new platforms, loyalty programs, or experimental financial infrastructure.
- Lays the foundation for future digital fiat, bridging the gap between cash and fully digital economies.
- Proven, production-ready, and actively used by diverse industries: retail, kiosks, casinos, transportation, and more.
- Offline, resilient, and scalable — ready for global adoption, off-grid markets, and next-generation financial ecosystems.
- Supports new business models beyond traditional banking, enabling commerce anywhere, anytime.
- Retail & E-Commerce: High-volume stores, pop-up shops, and online platforms.
- Kiosks & Vending: Instant offline payments for unattended terminals.
- Casinos & E-Bingo: Fast, secure cashless transactions while preserving privacy.
- Transportation: Ticketing and fares in buses, trains, ferries, and other public transport.
- Rural & Off-Grid Communities: Cashless infrastructure without internet or banking dependency.
- Disaster Relief & Humanitarian Operations: Reliable financial transactions in disconnected zones.
[Merchant Device] <--QR--> [Customer Device]
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V V
Split & Merge Split & Merge
Entropy-Chaos Core Entropy-Chaos Core
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Optional Sync
- Frontend: React / Flutter / Web POS UI
- Core: ECash library (entropy–chaos algorithm, spatial storage)
- Transfer Layer: QR/Optical payload exchange
- Storage: Local device (browser storage or embedded memory)
- Backend (Optional): Node.js / Python for analytics and reporting
- Clone the repository:
git clone https://github.com/yourusername/ecash-pos.git
cd ecash-pos- Open the POS in a browser or on mobile to start accepting QR-based payments.
Offline-first: No internet required for core transactions. Connectivity is only needed for optional reporting or analytics.
- E-cash never exists as readable files; only spatial references are stored locally.
- Data collapses into entropy when inactive, preventing duplication or reverse engineering.
- Transfers are deterministic, secure, and fully offline-capable.
- Safe for high-risk, high-volume, and offline environments.
- Embed ECash POS into custom wallets, merchant platforms, kiosks, or financial systems.
- Extend or adapt the entropy–chaos core for offline-first e-cash applications.
- Integration examples included in the
public/folder.
ECash POS is more than a payment system — it is the foundation for a global, offline-capable digital fiat ecosystem. By enabling fast, secure, and deterministic offline transactions, it empowers commerce in remote, off-grid, or emerging markets, while laying the groundwork for the next era of cashless economies.
Open-source under the MIT License — free to use, modify, and integrate into your business or platform.
ECash POS: Already powering e-commerce, retail stores, kiosks, casinos, and transportation worldwide. Fast, secure, offline-capable digital cash — ready for the future of money.