Engineering insights, privacy architecture, cryptography, and product deep-dives from the Lupyd team.https://blogs.lupyd.com/enhttps://blogs.lupyd.com/blog/webtransport-vs-websocket-real-world-benchmark/https://blogs.lupyd.com/blog/webtransport-vs-websocket-real-world-benchmark/A 1,500-endpoint benchmark comparing WebTransport vs. WebSockets under 30ms latency and 1% cellular packet loss in Firefly MLS, showing an 80% reduction in tail latency.Wed, 14 Oct 2026 00:00:00 GMTLupydWebTransportWebSocketsQUICHTTP/3BenchmarkNetworkingFireflyRustPerformanceLinux Traffic ControlSri Pranav Tenehttps://blogs.lupyd.com/blog/the-state-of-webtransport-and-the-proxy-problem/https://blogs.lupyd.com/blog/the-state-of-webtransport-and-the-proxy-problem/Why is WebTransport unusable in production despite full browser support? An architectural deep dive into extended CONNECT, multi-stream routing, proxy support (Nginx vs Envoy), and Lupyd's Firefly experience.Wed, 14 Oct 2026 00:00:00 GMTLupydWebTransportWebSocketsHTTP/3QUICNetworkingReverse ProxyEnvoyFireflyRustProtocolsSri Pranav Tenehttps://blogs.lupyd.com/blog/end-to-end-encrypted-push-notifications-android/https://blogs.lupyd.com/blog/end-to-end-encrypted-push-notifications-android/How Lupyd delivers Android push notifications for end-to-end encrypted messages: a content-free FCM wake-up push, on-device decryption, and local notifications.Tue, 13 Oct 2026 00:00:00 GMTEncryptionPush NotificationsFirebase Cloud MessagingFCMAndroidEnd-to-End EncryptionRustPrivacyMetadataLupyd Teamhttps://blogs.lupyd.com/blog/how-to-search-end-to-end-encrypted-messages/https://blogs.lupyd.com/blog/how-to-search-end-to-end-encrypted-messages/How do you search end-to-end encrypted messages? Lupyd indexes chats on your device with SQLite FTS5 and Rust, so the server never sees messages or queries.Tue, 13 Oct 2026 00:00:00 GMTEncryptionEncrypted SearchEnd-to-End EncryptionSQLiteFTS5Full-Text SearchRustTauriPrivacyLupyd Teamhttps://blogs.lupyd.com/blog/tauri-vs-electron-why-lupyd-chose-tauri/https://blogs.lupyd.com/blog/tauri-vs-electron-why-lupyd-chose-tauri/Tauri vs Electron compared: bundle size, security, Rust vs Node.js, mobile support and Linux WebView issues, with real code from Lupyd's cross-platform app.Tue, 13 Oct 2026 00:00:00 GMTLupydTauriElectronTauri vs ElectronRustDesktop AppsCross-PlatformMobile AppsWebViewLupyd Teamhttps://blogs.lupyd.com/blog/why-lupyd-chose-cloudflare-for-calls/https://blogs.lupyd.com/blog/why-lupyd-chose-cloudflare-for-calls/Why Lupyd uses Cloudflare TURN and RealtimeKit for calls instead of self-hosted SFUs or proprietary video SDKs, with real Rust and TypeScript code and honest tradeoffs.Mon, 12 Oct 2026 00:00:00 GMTLupydCloudflareWebRTCTURNSFURealtimeKitGroup CallingRustReal-Time CallingLupyd Teamhttps://blogs.lupyd.com/blog/secure-client-communication-for-law-and-ca-firms/https://blogs.lupyd.com/blog/secure-client-communication-for-law-and-ca-firms/Law and CA firms handle privileged advice, PAN cards, bank statements, and GST records every day, often over WhatsApp. Learn how to keep client data confidential, with checklists, DPDP guidance, and a secure workflow.Sat, 10 Oct 2026 00:00:00 GMTSecure CommunicationLupydEncrypted Team ChatLaw FirmsCA FirmsAccountingAttorney-Client PrivilegeClient DataDPDP ActSecure MessagingSection 132 BSAProfessional ConfidentialityDocument SecurityLupyd Teamhttps://blogs.lupyd.com/blog/byod-security-personal-phones-company-data/https://blogs.lupyd.com/blog/byod-security-personal-phones-company-data/Employees use personal phones for work, and client data goes with them. Learn the real BYOD risks, a simple policy, and low-cost controls small and mid-sized Indian businesses can use today.Sat, 10 Oct 2026 00:00:00 GMTData ProtectionLupydEncrypted Team ChatBYODMobile SecurityCompany DataSmall BusinessDPDP ActTeam SecurityLupyd GrowthSecure Business MessagingWhatsApp Business AlternativeZero Knowledge MessagingEnterprise Mobile DefenseLupyd Teamhttps://blogs.lupyd.com/blog/offboarding-employees-without-leaking-client-data/https://blogs.lupyd.com/blog/offboarding-employees-without-leaking-client-data/Most data leaks from departing employees are not malicious, just unmanaged. Use this practical offboarding checklist to remove access, secure client chats, and protect data when someone leaves.Sat, 10 Oct 2026 00:00:00 GMTData ProtectionLupydEncrypted Team ChatOffboardingEmployee ExitClient DataInsider RiskDPDP ActTeam SecurityLupyd GrowthSecure Business MessagingAccess RevocationZero Knowledge MessagingMLS Protocol SecurityLupyd Teamhttps://blogs.lupyd.com/blog/is-telegram-end-to-end-encrypted/https://blogs.lupyd.com/blog/is-telegram-end-to-end-encrypted/Is Telegram end-to-end encrypted? Learn how Telegram Cloud Chats and Secret Chats differ, what E2EE means, how group encryption works, and how Lupyd approaches secure messaging.Wed, 07 Oct 2026 00:00:00 GMTEncryptionTelegramEnd-to-End EncryptionE2EESecure MessagingPrivacyEncryptionBusiness MessagingLupydCloud Chats vs Secret ChatsGroup Chat SecurityNarender Kolipakahttps://blogs.lupyd.com/blog/dpdp-act-team-messaging-compliance/https://blogs.lupyd.com/blog/dpdp-act-team-messaging-compliance/Learn what India's DPDP Act and Rules mean for business messaging, secure communication, encryption, personal data, access control and data protection.Wed, 07 Oct 2026 00:00:00 GMTData ProtectionDPDP ActDPDP ComplianceData ProtectionSecure MessagingBusiness CommunicationEncryptionE2EELupydIndia Data ProtectionZero TrustSri Pranav Tenehttps://blogs.lupyd.com/blog/why-businesses-need-secure-internal-communication/https://blogs.lupyd.com/blog/why-businesses-need-secure-internal-communication/Learn why businesses need secure internal communication to protect confidential strategies, team conversations, remote teams, and company data from unauthorized leaks.Mon, 05 Oct 2026 00:00:00 GMTSecure CommunicationSecure Internal CommunicationBusiness MessagingEnterprise SecurityEncrypted ChatTeam MessagingRemote Work SecurityData ProtectionZero TrustConfidential CommunicationNarender Kolipakahttps://blogs.lupyd.com/blog/postgres-with-quic/https://blogs.lupyd.com/blog/postgres-with-quic/An experiment testing Postgres wire protocol over QUIC streams vs TCP connection pooling across a 30ms link, with benchmark observations and tradeoffs.Wed, 30 Sep 2026 00:00:00 GMTLupydPostgreSQLQUICNetworkingConnection PoolingPgCatRustDatabase ArchitecturePerformanceSri Pranav Tenehttps://blogs.lupyd.com/blog/protobuf-everywhere/https://blogs.lupyd.com/blog/protobuf-everywhere/How Lupyd, Firefly, and Noon use Protocol Buffers outside gRPC: across client HTTP endpoints, Protobuf Web Tokens, database storage, and cryptographic workflows.Tue, 29 Sep 2026 00:00:00 GMTLupydProtobufProtocol BuffersArchitectureEngineeringFireflyNoonPerformanceE2EESri Pranav Tenehttps://blogs.lupyd.com/blog/building-real-time-calling-in-lupyd/https://blogs.lupyd.com/blog/building-real-time-calling-in-lupyd/Explore how Lupyd combines WebRTC, native Android call handling, and group meeting infrastructure to build real-time calling across platforms.Mon, 28 Sep 2026 00:00:00 GMTFeatureReal-Time CallingWebRTCTauriRustAndroidGroup CallingGanji Pranay Raj