Henceforth

A mobile forth

$9.99 · In‑App Purchases · Designed for iPad. Not verified for macOS.

Bitcoin Script's stack model came from FORTH. Henceforth lets you write in the language Script was modeled on — then sign and broadcast. Henceforth is a programming language and operating system based on FORTH, created by Chuck Moore. Bitcoin SV is built into Henceforth — chosen for its immutable ledger and contracting capabilities, delivered at scale and low cost. Features: - Full Forth-2012 CORE compliance (133 words) - Smart input suggestions and built-in number pad - BSV wallet — send, receive, and manage UTXOs - Build and broadcast transactions from the terminal - Write, save, and run .fs script files - Visualise data with bar, line, and pie charts - Customisable themes and appearance

Ratings & Reviews

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Forth-2012 compliance: • PAGE now clears the terminal (6.2.2030) • MS pauses inside loops for millisecond delays • ." and S" preserve verbatim spacing for ASCII art • EKEY?, WORDS, and stack-diagram fixes across the vocabulary Wallet: • Faster address discovery on Sync (history-first scan, parallel UTXO fetch) • Pays the miner-quoted fee exactly — no over-paying • Seed and private keys hidden from the iOS app switcher • SPV sync and mempool monitor pause in the background to save battery • Concurrent-safe UTXO merging; filename-safe wallet titles BRC-100 protocol: • signAction completes the delayed-broadcast flow • Replay protection on QR authentication challenges • Hardened createAction and certificate encryption paths Reliability: • Idle watchdog and exponential backoff on JungleBus connections • Stray WhatsOnChain calls now route through the shared rate limiter • HeaderSync respects wifi-only preference at monitor install

Version 4.22

The developer, Henceforth bitcoin limited, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Henceforth bitcoin limited
    Size
    • 10.3 MB
    Category
    • Education
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © Copyrights belong to Henceforth Bitcoin LTD
  • Developer Website
  • Privacy Policy

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