SolVault Messenger – a fully decentralized blockchain encrypted messaging app built on Solana with native in-chat crypto payments
New York, March 02, 2026 – SolVault Messenger has officially launched as what is believed to be the first fully on-chain encrypted messaging application built natively on Solana, integrating self-custodial wallet identity with encrypted peer-to-peer communication and native in-chat crypto payments.
Unlike traditional messaging platforms that rely on centralized servers, SolVault Messenger operates without any backend infrastructure. Every message sent through the app is encrypted client-side using NaCl cryptography and stored as a Solana blockchain transaction via the Memo program.
There are no accounts. No phone numbers. No email registrations.
A user’s 12-word seed phrase serves as both identity and wallet – merging encrypted messaging and digital asset ownership into a single cryptographic layer.
A Blockchain-Native Encrypted Messenger
SolVault Messenger introduces a new communication model:
• Identity derived from a Solana keypair
• End-to-end encryption using X25519 (via Ed25519 conversion)
• Ciphertext stored permanently as blockchain transaction data
• Real-time detection via RPC WebSocket subscriptions
• Native SOL, USDC, and USDT payments directly inside conversations
Messages are encrypted before broadcast. Only the intended recipient can decrypt them locally. The blockchain stores ciphertext only – never plaintext.
Because SolVault has no centralized servers, there is no single point of failure, database to breach, or infrastructure to subpoena.
Native In-Chat Crypto Payments
SolVault Messenger integrates a multi-token wallet supporting:
• SOL
• USDC
• USDT
Users can send tokens directly inside any conversation. Payment messages are encrypted on-chain using the same cryptographic model as text messages, preserving privacy while maintaining full transaction transparency via Solana.
This makes SolVault one of the first messaging applications to unify encrypted communication and native blockchain payments within a single interface.
Self-Custodial Architecture
SolVault Messenger is fully self-custodial:
• Private keys never leave the device
• Hardware-backed secure storage (Android Keystore / iOS Secure Enclave)
• SQLCipher encrypted local database
• Biometric lock support
• No cloud backups required
If a user loses their device, entering their 12-word recovery phrase restores access to their wallet and message history directly from the blockchain.
Introducing the SolVault Protocol
Beyond the application itself, SolVault defines a broader architecture referred to as the SolVault Protocol – a blockchain-native encrypted communication model where:
• Identity equals wallet cryptography
• Encryption and payments share the same key infrastructure
• Messages are treated as on-chain encrypted data primitives
This model represents an alternative to server-based messaging systems and contributes to the emerging category of blockchain-native communication protocols.
Open Source and Auditable
SolVault Messenger is released under GPLv3 and is fully open source. The codebase is available for public review on GitHub.
GitHub: https://github.com/treasurium/SolVaultMessenger
The application is built using:
• React Native + TypeScript
• Solana web3.js
• tweetnacl (pure JavaScript NaCl cryptography)
• SQLCipher encrypted storage
• Multi-RPC fallback infrastructure
Category Definition
SolVault Messenger is a blockchain encrypted messaging application that stores encrypted communication directly on-chain while integrating a self-custodial multi-token wallet with native in-chat payments.
It represents a new design category where messaging and digital asset ownership share the same cryptographic foundation.
Availability
SolVault Messenger v1.0.1 APK is now available for download.
Platform: Android (iOS support in development)
Download and documentation available at:
https://messenger.treasurium.ai/
Headquarters:
Treasurium Capital
1309 Coffeen Avenue, STE 1200
Sheridan, Wyoming 82801
USA
Contact Information:
Phone: +1 (434) 661-5558
Email: contact@treasurium.capital
Website: https://messenger.treasurium.ai/
– About Treasurium AI Labs –
Treasurium AI Labs is the AI innovation arm of Treasurium Capital, dedicated to creating open-source, n8n-powered workflows and AI agents that simplify complex blockchain and cryptocurrency analysis. Visit our catalog and start building smarter workflows today: https://treasurium.ai
This release was published on openPR.
