| E.U. Patent: EP3542333A1 | U.S. Patent: US10915873 |
System and Method for
Providing Mobile Voice, Data, and Text Services
to Subscribers Using Cryptocurrency
Executive Summary
blocfone® — Cryptocurrency-Native Travel eSIM Service
blocfone® is a cryptocurrency-native travel eSIM service that allows global travelers to instantly purchase, activate, and manage data plans using USDC, without contracts, roaming agreements, or identity paperwork. The service is delivered entirely through a Telegram bot and integrated Mini App, requiring only a mobile device and a Solana-enabled crypto wallet.
The Business — Today
The global travel eSIM market is growing rapidly, driven by smartphone adoption and increasing international travel. blocfone® removes all friction: find a plan, pay with stablecoin, receive your eSIM activation code in the same chat window, in under two minutes. The business model is straightforward: blocfone® earns a margin on each plan sold, priced into the USDC display price. No advertising, no subscription, no PII collection.
The Aspiration — At Scale
The longer-term vision, codified in US Patent 10,915,873 B2 (issued February 9, 2021), and recognised in Europe under EU EP3542333A1 (granted by the European Patent Office), is to eliminate inter-service agreements between mobile service providers and distributors entirely. blocfone’s patented architecture replaces bilateral agreements with a smart contract marketplace. Providers post offers directly to a distributed network, a blockchain oracle confirms delivery, and settlement triggers automatically. This positions blocfone® as infrastructure for a decentralised mobile services marketplace with Know Your Customer (KYC) built-in and fully agentic-AI enabled. Built out, the platform also enables number portability, the capability that broadens the market from crypto-native travelers to mainstream mobile users worldwide.
The MVP
The prototype proves the core user flow end-to-end on Solana devnet: a traveler opens the Telegram bot, browses plans, launches the Mini App checkout, deposits USDC into a smart contract escrow, and receives their eSIM activation code, including the QR code, SM-DP+ server address, and activation token, all without leaving Telegram. The stack is production-grade: Node.js on Railway, Telegraf v4, Anchor-based Solana escrow, PostgreSQL with HMAC-hashed subscriber IDs, oracle settlement, and 8-language internationalisation.
The Longer-Term Plan
Market Opportunity
8.83B Subscribers
Full Patent Addressable Market
All global mobile subscribers, the total market addressable if US Patent 10,915,873 B2 and EU EP3542333A1 are fully built and adopted across MNOs and MVNOs worldwide. Smart contract settlement replaces bilateral carrier agreements at any scale.
~68M Users
Telegram Crypto-Active Users
Approximately 1 billion Telegram MAUs × 6.8% global crypto ownership rate = ~68M crypto-active Telegram users. Patent-protected IP limits the current launch focus to EU and US markets with ~987M mobile subscribers between them.
120K–2.3M Users
MVP Serviceable Obtainable Market
Telegram MAU × crypto penetration × travel share × eSIM adoption × stablecoin willingness. Low case 120K, base case 612K, high case 2.3M, crypto-native international travelers already using Telegram wallet infrastructure.
Low · Base · High User & Revenue Scenarios
Funnel: Telegram MAU × crypto penetration × travel share × eSIM adoption × stablecoin willingness. Revenue at $10/user/month.| Scenario | Crypto Penetration | Travel Share | eSIM Adoption | Stablecoin Willingness | Estimated Users | Annual Rev @ $10/mo |
|---|---|---|---|---|---|---|
| Low | 5.0% | 10% | 8% | 30% | 120,000 | $14.4M |
| Base | 6.8% | 15% | 12% | 50% | 612,000 | $73.4M |
| High | 9.0% | 20% | 18% | 70% | 2,268,000 | $272.2M |
eSIM market growing from 40M users (2024) to 215M by 2028 · Stablecoin market >$200B (2025) · Juniper Research
Upside not modeled: every connectivity account is also a funded USDC wallet, creating a natural path to a companion travel card. Card interchange and FX-spread revenue would layer on top of the figures above without changing the user-acquisition model.
Two structural advantages that compound: one removes the need for carrier agreements entirely (patented design), the other boosts loyalty and opens new revenue streams.
The standard blockchain or agentic AI model still assumes underlying commercial relationships exist between providers and platforms, and staying confined within that commercial-relationships ecosystem keeps subscribers from easily discovering all the options available to them. The blocfone® patent eliminates that dependency entirely. Any provider that meets technical and KYC compliance standards can participate instantly, no bilateral agreements, no negotiation, no legal overhead.
The platform doesn’t negotiate. It executes. This makes the marketplace self-expanding: more providers join because the barrier is technical compliance, not a legal agreement with every other carrier on earth. A provider (direct or indirect, e.g., MVNO, bank, airline loyalty programme, etc.) that wants to boost loyalty and open a new revenue stream can now do exactly that, without a carrier deal on the table. That is a genuinely different architecture from anything currently operating in telecoms.
Built out, the same patented platform also enables number portability, letting a subscriber switch providers and keep their number, or get a new or additional number in minutes. That is the capability that widens the market from crypto-native travelers to mainstream mobile users worldwide.
US Patent 10,915,873 B2 and EU EP3542333A1 are granted, not pending, not applied for. Any acquirer or licensee steps into a legally defensible first-mover position with enforceable IP across the two largest developed-market jurisdictions. Number portability has historically been gated by both carrier agreements and regulation; the patented architecture is what clears both, so it is not a feature a competitor can simply replicate.
The Telegram MVP proves the payment and delivery mechanism works today. The patent makes the full vision defensible at any scale. One protects the technology; the other proves it runs.
The same architecture that delivers connectivity without carrier agreements also delivers spending without banking friction. Because every account already holds a USDC balance, that balance can power a companion travel card, so the crypto-native traveler who buys data in two minutes can also pay for the trip itself from one wallet. The phone platform comes first; the card is simply the same platform, reaching the next obvious need.
Interested in blocfone®?
Whether you’re an investor, a potential partner, or an acquirer, we’d love to hear from you. You’d be backing a crypto-native mobile platform, with a companion travel card on the roadmap. Full technical deck and patent documentation available under NDA.
Contact Me · hello@blocfone.ioUS Patent 10,915,873 B2 · EU EP3542333A1 · Patent-protected IP