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@butterfly-communtiy

butterfly-communtiy

We are building core infrastructure connecting blockchain with physical devices.
README.md

Butterfly

We are building core infrastructure connecting blockchain with physical devices.

Butterfly OHW ELF

OHW ELF is an open hardware wallet, free from vendor lock-in, supporting hundreds of chips from multiple manufacturers. The minimum supported chip costs only $0.3.

We created our own board for demos - similar to others but more refined and production-ready.

Software Hardware
butterfly-ohw-elf butterfly-ohw-elf-board

What can this product do？

Open Hardware Wallet - Task 3

Butterfly OHW ELF Card

An intriguing concept: A hardware wallet built on smartcard technology - similar to transit cards, bank cards, and SIM cards. Runs a complete wallet directly on the card, achieving high security at low cost. Easily interacts via phone's built-in NFC.

Software
butterfly-ohw-elf-card

Things

Some small works combining software and hardware.

Repo Info
water-heater This open-source solution for a water heater replaces the original controller to enable remote smart control.

Popular repositories Loading

  1. ohw-elf-firmware ohw-elf-firmware Public

    The firmware of the Butterfly OHW ELF, Free from vendor lock-in, supporting hundreds of chips from multiple manufacturers. The minimum supported chip costs only $0.3.

    Rust 6 3

  2. water-heater water-heater Public

    2

  3. ohw-lib-wallets ohw-lib-wallets Public

    An embedded systems-focused library that implements some cryptographic algorithms

    Rust 1 2

  4. .github .github Public

  5. ohw-app-monorepo ohw-app-monorepo Public

    TypeScript

  6. ohw-elf-card ohw-elf-card Public

Repositories

Showing 6 of 6 repositories
  • ohw-elf-firmware Public

    The firmware of the Butterfly OHW ELF, Free from vendor lock-in, supporting hundreds of chips from multiple manufacturers. The minimum supported chip costs only $0.3.

    butterfly-communtiy/ohw-elf-firmware’s past year of commit activity
    Rust 6 MPL-2.0 3 7 0 Updated Jan 19, 2025
  • ohw-app-monorepo Public
    butterfly-communtiy/ohw-app-monorepo’s past year of commit activity
    TypeScript 0 MPL-2.0 0 0 0 Updated Jan 16, 2025
  • .github Public
    butterfly-communtiy/.github’s past year of commit activity
    0 0 0 0 Updated Jan 13, 2025
  • ohw-lib-wallets Public

    An embedded systems-focused library that implements some cryptographic algorithms

    butterfly-communtiy/ohw-lib-wallets’s past year of commit activity
    Rust 1 MPL-2.0 2 1 0 Updated Dec 30, 2024
  • ohw-elf-card Public
    butterfly-communtiy/ohw-elf-card’s past year of commit activity
    0 0 0 0 Updated Dec 11, 2024
  • water-heater Public
    butterfly-communtiy/water-heater’s past year of commit activity
    2 0 0 0 Updated Oct 9, 2024

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