StealthTalk Private Messenger vs ZERO Messenger

StealthTalk is a private messenger designed to meet high demands of business- and privacy-minded professionals. Based on a patented SDNP protocol developed for professional use in telecommunications, StealthTalk bridges the gap between professional and consumer security solutions. KEY FEATURES Secure Voice Calls Make secure calls with exceptional voice quality, even with slow internet connection speeds based on TETRA professional communication standards and SDNP protocol. Secure Messages Exchange true end-to-end encrypted messages with all sensitive message data encryption and decryption taking place entirely on the user device. Self-Destruct Messages Send confidential messages that are erased automatically after a selected period of time. Stealth Mode Protected stealth environment for sensitive calls and messages that requires users to enter their password to preview messages or receive calls. PRIVACY & SECURITY End-to-End Encryption All communication within StealthTalk is always protected with end-to-end encryption powered by a patented SDNP protocol that uses ECC 512, AES 256 and SHA-3 512 as primitives. Zero-Knowledge Proof StealthTalk knows nothing about the content of your messages or calls. User data is not collected or stored on StealthTalk servers and cannot be analyzed, sold or disclosed. Professional Telecommunications Technology StealthTalk communication security is based on the patented, tried and field-tested SDNP protocol developed for and used in professional telecommunications. REQUIRED PERMISSIONS StealthTalk requires the following permissions to deliver its private messaging services and ensure all features are operational. • Contacts: Contacts permission is used to match you with your contacts using phone number hashes. StealthTalk does not monetize, collect or store your address book data. • Microphone: Microphone access is required to make secure voice calls • Bluetooth & Location: Bluetooth and location access is needed to locate devices close to you and enable encryption key exchange. • Camera: Camera access is needed to add new contacts via QR code and send pictures with the built-in camera. • Storage: Storage access is needed to store images and files that you receive in chats. For additional information and suggestions, please contact support@stealthtalk.com

Decentralized messaging for everyone. ZERO Messenger is secure, private, and free. No ads, no surveillance – reclaim your digital rights with ZERO. Decentralized - ZERO Messenger is built on decentralized architecture. Encrypted data is hosted on and shared between ZODEs; you can choose which ZODE will host your account, or you can run one of your own! Private - All conversations are end-to-end encrypted. No ads, no surveillance, completely anonymous; users are not required to provide personal data to create an account. Web3-Native - ZERO Messenger boasts Web3 (Ethereum) wallet login, identity verification with ZERO ID, the ability to create and join token-gated chats, and more. All Your Devices - Available on Web and Mobile. Access your conversations on all your devices. Secure Conversations of Any Size - Collaborate and share with individuals or groups of people in private, encrypted conversations. No Phone Number Required - Sign up with an Ethereum wallet and verify your identity with a ZERO ID. Sleek and Minimal - Designed with simplicity and ease of use in mind. Who are we? ZERO is a small startup empowering the citizens of our digital age with Web3 and decentralized technology. ZERO apps are built according to our values: Sovereignty, Decentralization, Security, Open Source, and Censorship Resistance.