nesigner

Open Source Nostr Hardware Signer

Secure, transparent, and self-custodial signing solution for the Nostr protocol

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Project Introduction

Fully Open Source

Complete source code transparency, community-driven development, and independent audit capability

Secure & Reliable

Hardware-level private key storage to prevent key exposure

Easy to Use

Simple flashing process with intuitive user interface

nesigner is a open source Nostr hardware signer designed to provide secure private key storage and transaction signing for the Nostr protocol. Built on the ESP32 development board, it ensures your private keys never exposure to networked environments through hardware-level isolation, significantly enhancing account security.

Flashing Instructions

Step 1: Prepare Materials

ESP32-S3 development board, USB cable, computer

Step 2: Connect Device

Connect ESP32-S3 to computer via USB cable

Step 3: Connect Flashing Tool

Click the button below in your browser to connect the board.

Connect

Step 4: Flash Firmware

Click the flash button to start the firmware flashing process.

Flash