Karben Smart NFC Digital Card vs PeerDrop

Karben App instantly shares your social media and contact details. Just tap your Karben Wallet on someone’s phone. Your information will be transferred to them - even if they don’t have the Karben app! It’s the Virtual Business Card for the 21st century! You choose what to share, and how much. Using the wireless NFC protocol to transfer your data, Karben App can share whatever information you like, simply by tapping your Karben Wallet against someone’s smartphone. Never waste money on business cards again! No more jotting down important info on easy to lose scraps of paper. Karben App securely transfers your information to someone’s phone, safe and sound. Karben makes it easy to share all of your Social Media accounts, contact info, and more! All you do is TAP your Karben Wallet against somebody else’s phone, and all of your info – your social media accounts, contact info, or whatever else you wish to share – will instantly be transferred to their phone! - Works with ANY modern smartphone! Yes, that’s right – Karben works even if the other person does NOT have the Karben App installed on their phone! - Only share the info you WANT to share! Karben makes it quick and easy! - Unlike an old-fashioned printed business card you can update or change your Karben info at any time! - Manage your social media, personal websites, and business websites. - Create a custom bio to keep to share with others. - Keep a copy of your resume to share with potential employers. - Anything you place on the Karben App can be shared with just a tap! With Near Field Communication (NFC), your info is easy to transfer and totally safe, stored externally where no one, not even your phone company, can grab your data. Keep track of where and when you met. You’ll never forget a name or face again! Use Karben App to share a playlist or photo album. Create a link to your online portfolio or website. Gone are the quaint old days of yore when you only needed to hand out your name and phone number to friends and business associates. To keep up in today’s world, you need to have the ability to share any number of additional items – your email address, a link to your personal website, your LinkedIn page, a Facebook group, a link to a promotional video, you name it. The Karben App makes it easy to share anything you want with whomever you like!

PeerDrop lets you share files, chat, and make voice calls directly between devices on your local network — no internet, no cloud, no accounts required. KEY FEATURES - Direct File Transfer: Send photos, videos, documents, and any file type directly to nearby devices. Files are chunked and verified with SHA-256 hashes for integrity. - Encrypted Chat: Send text messages, photos, videos, and voice messages with end-to-end encryption. All chat history is stored locally and encrypted with AES-256-GCM. - Voice Calls: Make crystal-clear voice calls using WebRTC, fully integrated with iOS CallKit for a native calling experience. - Device Discovery: Automatically find nearby devices on your Wi-Fi network using Bonjour. Or connect manually by IP address. - Multi-Connection: Connect to up to 5 devices simultaneously. Each connection has independent chat, file transfer, and voice call capabilities. - Device Library: Save frequently connected devices for quick reconnection. Organize them into groups. - Privacy First: No servers, no accounts, no tracking. Everything stays between your devices. All connections use TLS encryption with trust-on-first-use verification. HOW IT WORKS 1. Open PeerDrop on two devices connected to the same Wi-Fi network 2. Devices discover each other automatically 3. Tap to connect — the receiving device approves the connection 4. Start sharing files, chatting, or making voice calls SECURITY - TLS-encrypted connections with ephemeral P-256 key pairs - AES-256-GCM encryption for stored chat data - Certificate fingerprint verification (trust-on-first-use) - SHA-256 file integrity verification - No data ever leaves your local network