Blixt Wallet

Blixt is a non-custodial Bitcoin Lightning wallet for Android, iOS, and macOS. It runs LND and Neutrino directly on the device, so the wallet operates a full Lightning node without relying on centralized servers for routing or chain data.

The wallet supports LNURL (pay, auth, withdraw, channel), keysend, multi-path payments, a built-in WebLN browser, and Tor. Channel backups go to Google Drive or iCloud. A feature called Speedloader helps the app start quickly and stay in sync even on slower connections.

Having a trust-minimized Lightning Address linked to a self-custodial wallet is a valuable option in a custodial Lightning world.

—Hampus Sjöberg

Hampus rebuilt the wallet's core around react-native-turbo-lnd, a C++ module that runs LND inside the app for faster payments without background processes. He also improved Neutrino to connect to multiple peers in different regions, making sync more reliable on mobile.

Lightning Box is a trust-minimized Lightning Address protocol built alongside Blixt. It lets users receive payments at a human-readable address (user@domain) while keeping custody local. A lightweight HTTP relay forwards requests to the wallet and returns an invoice.

Why fund it?

Running a full Lightning node on a phone is about as self-sovereign as Lightning gets. Blixt proves it works in practice and produces reusable tools (react-native-turbo-lnd, react-native-turbo-sqlite, Lightning Box) that other wallet projects can adopt.

OpenSats has been supporting Blixt since the first wave of Bitcoin grants in July 2023 and has renewed the grant since then. Hampus also received a grant for Noah, an Ark wallet, in the sixteenth wave of Bitcoin grants.

What's next?

Blixt 0.9.0 shipped in February 2026 with TurboLnd, an updated LND backend (v0.20.0), BIP177 support, and a new automatic channel opener. The upgrade to Hermes V1 and the React Compiler also made the app noticeably faster. An experimental desktop build using Electrobun is in progress alongside the existing macOS version.

Hampus and his team are also building Noah, a self-custodial wallet on the Ark protocol. Where Blixt requires opening Lightning channels and managing liquidity, Noah uses Virtual Transaction Outputs (VTXOs) so users can receive payments without an onchain transaction. The goal is a single balance that can send and receive via Lightning, onchain, or Ark, with seed-phrase-only backup and self-custodial Lightning Address support.

For a detailed look at earlier progress, see the Advancements in Bitcoin and Lightning Wallets impact report.