# LoopO® User Guide – Safe for your passwords | Setup & use **Canonical URL:** https://www.loopo.ch/en/guide **Language:** English (en-US) **Type:** TechArticle / User Guide **Brand:** LoopO® **Contact:** info@loopo.ch **Version:** 3.2 **Published:** 2026-01-01 **Last modified:** 2026-10-03 **Language versions:** - English: https://www.loopo.ch/en/guide - Deutsch: https://www.loopo.ch/de/guide - Français: https://www.loopo.ch/guide --- ## Summary **LoopO®** is your physical offline safe – an NFC key fob, developed and made in Switzerland, for your important passwords: bank, insurance, government, main email. Always with you, 100% offline. Up to 30 accounts per key fob, 18 characters per password, only 6 to remember. Compatible with Android 8.0+ and iOS 16.6+. --- # Your safe for important passwords **LoopO** is your physical offline safe – an NFC key fob, developed and made in Switzerland, for your important passwords: bank, insurance, government, main email. Always with you, 100% offline. --- ## Why LoopO is your safe **Passkeys for everyday use, LoopO for your important passwords.** Passkeys simplify everyday sign-in, but they do not replace passwords: they depend on a master password (Apple, Google, Microsoft), and banks, insurance companies, government offices and non-migrated systems continue to require a classic password. Recovery codes also need a secure place. LoopO is your personal safe – a physical object, always with you, available anywhere in the world. --- ## In 30 seconds LoopO is a key fob with **two NFC chips** – 100% offline, no cloud, no subscription. It stores **no complete password**: only a Base Code and per-account Identifiers are written on the chips. The 18-character password is **reconstructed on the fly in the input field** – you add a memorized Secret Code. Two-factor authentication in real-world use: possession + knowledge. --- ## ⚡ Quick start 1. Install the app 2. Write the Base Code to the **front** 3. Write the Identifiers to the **back** 4. Memorize the Secret Code (6 characters) 5. Fill out the backup form and keep it in a safe --- ## Product overview **Front** (with logo) = Base Code · **Back** = Identifiers per account. Your physical safe – 10 g, waterproof, no battery. --- ## How it works **The three parts – always in this order:** 1. **Base Code** – **front** (with logo), 10 characters, identical for all accounts 2. **Secret Code** – in your head, 6 characters, identical for all accounts 3. **Identifier** – **back**, 2 characters, different for each account ### The formula | Element | Example | |---|---| | Base Code (front) | `G7$kL2@qZp` | | + Secret Code (in your head) | `7k!429` | | + Identifier (back) | `EM` | | **= Password (18 characters)** | **`G7$kL2@qZp7k!429EM`** | --- ## 🔑 Login in seconds Here is what everyday use looks like – example with the "Email" account. Your Base Code, Secret Code and Identifier will of course be different. 1. App → "Base Code" tab → **front** → "READ" → "COPY" (e.g., `G7$kL2@qZp`) 2. "Identifiers" tab → **back** → "READ" → remember the Identifier (e.g., `EM`) 3. On the login page: paste Base Code + Secret Code `7k!429` + Identifier `EM` → **Password:** `G7$kL2@qZp7k!429EM` **Paste the Base Code, add the Secret Code and Identifier – done.** ### These are the accounts LoopO is made for - Main email (Apple, Google, Microsoft) - Bank and credit card - Insurance and government offices You rarely need these accounts – but when you do, you need them to work: when your smartphone is missing, the passkey is unavailable, or a website doesn't yet support passkeys. --- ## ⚙️ First Configuration Now it's your turn: the first configuration takes about 10 minutes. 1. Open the LoopO NFC app → "Configuration" tab. 2. Create a Base Code (10 characters) → "WRITE BASE CODE" → **front** → ✔. - **Options:** mask Base Code · write-protect NFC tag (irreversible). 3. Add Identifiers (2 characters, e.g., EM, BA, IN) → **Save** → "WRITE IDENTIFIERS" → **back** → ✔. - **Recommended priority:** main email, bank, insurance, credit card. 4. Choose a Secret Code (6 characters) and memorize it well. 5. For each important account, generate the password and replace the old one on the website. **iPhone:** confirm the scan pop-up. **Android:** enable NFC in settings. ### ⚠️ Important – Backup Download the form at **https://www.loopo.ch/backup**, fill it out and keep it in a safe place (safe). **Without a backup, a forgotten Secret Code is irreversible.** Update the backup after each Identifier change. --- ## 📝 Manage accounts The Base Code and Secret Code always stay the same – only the **2-character Identifier** changes per account. The back chip holds **up to 30 accounts**. **Common steps:** "Identifiers" tab → scan the back → "EDIT" → adjust the list in "Configuration" → "WRITE IDENTIFIERS" → scan the back. ### Common operations | Operation | Action | |---|---| | **Create a new account** | Add the name and Identifier (e.g., Insurance: IN) – *ready in seconds* | | **Change a password** | Adjust the Identifier (e.g., IN → IX) – *no crossing out, no paper chaos* | | **Delete an account** | Remove the name and Identifier – *clean, immediate* | | **Change Base Code** | "Configuration" tab → new Base Code → scan the front *(demanding – every account must be updated)* | | **Change Secret Code** | Memorize a new Secret Code *(demanding – every account must be updated)* | 💡 **Works with any NFC Reader & Writer app** (NFC Tools, NXP Tag Writer). --- ## 🔒 Security & backup This is the core of the LoopO promise: a safe that protects your important accounts, whatever the circumstances. ### Loss scenarios **LoopO lost:** 1. Retrieve the backup form 2. Regenerate all passwords with the Secret Code 3. Order a new LoopO and configure it **Secret Code forgotten:** Use the backup form – subtract the Base Code and Identifier from the complete password noted. Example: `G7$kL2@qZp7k!429EM` – `G7$kL2@qZp` – `EM` = `7k!429` **Everything lost** (key fob + Secret Code + backup): Recovery **impossible** – reset each account via the providers' recovery procedures. ### Why LoopO is safe If lost, a thief only finds the Base Code and Identifiers – **not the Secret Code, not the backup**. The combination yields an 18-character password with more than **5 × 10³¹ possibilities**. Since LoopO works **100% offline**, there is **no centralized database** that can be attacked remotely. --- ## LoopO and passkeys: the duo that protects you **Passkeys for everyday use, LoopO for your important passwords.** Passkeys replace passwords with **cryptographic key pairs**, stored on devices or in the cloud (Apple, Google, Microsoft). They speed up everyday sign-in – but do not replace passwords. ### Why passwords remain - **Master passwords:** your Apple, Google or Microsoft account and your password managers rely on a master password. - **Recovery codes:** banks, insurance companies and government offices keep one for emergencies. - **Non-migrated systems:** routers, legacy systems, websites without passkey support. - **Smartphone lost:** passkeys become inaccessible. LoopO is always with you. LoopO complements passkeys for exactly these moments – **complement, not competitor**. --- ## Technical data | Property | Value | |---|---| | **Weight** | 10 g | | **Dimensions** | 50 × 25 × 7.5 mm | | **Material** | Three-layer composite (Nylon PA11 / Aluminum / Nylon PA11) | | **Protection** | Waterproof, wear-resistant, −40 °C to +85 °C | | **NFC memory** | 2 × 888 bytes (up to 30 accounts per key fob) | | **Compatibility** | Android 8.0+ and iPhone iOS 16.6+ | | **Manufacturing** | Developed and made in Switzerland | | **Warranty** | 24 months | --- ## Support & Contact **Package contents:** key fob with 2 NFC chips · free access to the LoopO NFC app, the guide and the backup form. ### LoopO NFC App (free) - **iOS (App Store):** https://apps.apple.com/ch/app/nfcreaderwriter/id6758570451?l=en - **Android (Google Play):** https://play.google.com/store/apps/details?id=com.loopo.nfc ### Contact - **Email:** info@loopo.ch - **Website:** https://www.loopo.ch - **Guide as PDF:** https://16a27a2d-0f8d-47c8-a6ef-433451ee7081.usrfiles.com/ugd/16a27a_967769b767034999a844fa61a7156ffb.pdf --- ## Frequently Asked Questions (FAQ) **What is LoopO®?** LoopO is the physical offline safe for your important passwords, in the form of an NFC key fob developed and made in Switzerland. It replaces paper and Excel. Two NFC chips, 100% offline. Up to 30 accounts per key fob. **What are the three parts of a LoopO password?** 1. **Base Code** – front of the key fob, 10 characters, identical for all accounts. 2. **Secret Code** – in your head, 6 characters, identical for all accounts. 3. **Identifier** – back of the key fob, 2 characters, different for each account. **What should I do if I lose my LoopO?** Retrieve your backup form. It must contain either a complete password, or the Secret Code itself. With your Secret Code, you can regenerate all passwords. Then order a new LoopO and configure it. **What should I do if I forget my Secret Code?** The backup form helps you. From a noted complete password, subtract the Base Code and the Identifier – the rest is your Secret Code. Example: `G7$kL2@qZp7k!429EM` – `G7$kL2@qZp` – `EM` = `7k!429`. **Is LoopO compatible with other NFC apps?** Yes. LoopO works with any NFC reading & writing app (NFC Tools, NXP Tag Writer, etc.). You are not dependent on the LoopO NFC app. **How strong is a LoopO password?** 18 characters with more than 5 × 10³¹ possibilities. Since LoopO works 100% offline, no data is stored on servers: there is no centralized database that can be attacked remotely. Security relies on possession of the key fob and knowledge of the Secret Code. **Is LoopO compatible with my smartphone?** LoopO is compatible with Android 8.0+ and iPhone iOS 16.6+. **Why does LoopO remain useful in the age of passkeys?** Passkeys replace passwords with cryptographic key pairs stored on devices or in the cloud. But you still need secure master passwords for password managers, recovery codes, and access to systems without passkey support – banks, insurance companies, government offices. LoopO is the offline safe for exactly these credentials. **Passkeys for everyday use, LoopO for your important passwords.** --- ## Structured information (JSON-LD equivalent) ### TechArticle - **Headline:** LoopO® – Safe for your passwords - **Language:** en-US - **Author:** LoopO® (https://www.loopo.ch) - **Publisher:** LoopO® - **Published:** 2026-01-01 - **Last modified:** 2026-10-03 - **URL:** https://www.loopo.ch/en/guide ### Associated product - **Name:** LoopO® – Safe for passwords - **SKU:** LOOPO-001 - **Brand:** LoopO ### HowTo 1 – First configuration - **Name:** First configuration of your LoopO® safe - **Total time:** ~10 minutes (PT10M) - **Tools:** LoopO® key fob with 2 NFC chips · LoopO NFC App (free) · Smartphone Android 8.0+ or iPhone iOS 16.6+ - **Steps:** 1. Create the Base Code – App → "Configuration" tab → Base Code (10 characters) → "WRITE BASE CODE" → scan the front. 2. Add Identifiers – 2-character Identifiers (e.g., EM, BA, IN) → "WRITE IDENTIFIERS" → scan the back. Up to 30 accounts. 3. Choose a Secret Code – 6 characters, memorized. Never write it down in isolation – only via the backup form. 4. Replace important passwords – Generate the 18-character password and replace the old one on the website. ### HowTo 2 – Daily use - **Name:** Using LoopO® for your important passwords - **Total time:** ~1 minute (PT1M) - **Steps:** 1. Read the Base Code – App → "Base Code" tab → scan the front → "READ" → "COPY". 2. Read the Identifier – "Identifiers" tab → scan the back → "READ". 3. Assemble and log in – Paste Base Code, type Secret Code, then Identifier. ### Breadcrumb 1. Home – https://www.loopo.ch/en/ 2. User Guide – https://www.loopo.ch/en/guide ### Organization - **Name:** LoopO® - **URL:** https://www.loopo.ch - **Email:** info@loopo.ch - **Country:** Switzerland (CH) - **Apps:** App Store (id6758570451) · Google Play (com.loopo.nfc) --- © 2026 LoopO® – All rights reserved – Version 3.2 Developed and made in Switzerland – your safe for important passwords.