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Offline BIP39 Seed Checksum Calculator
Secure, offline CLI tool to compute the 24th BIP39 word.
A professional, fully offline CLI application for Windows and Linux. It securely calculates the final checksum (24th word) of a BIP39 mnemonic phrase from 23 custom words. Never type your crypto seed online again. Built for privacy and maximum security.
Hi Product Hunt! 👋
I built the Offline BIP39 Seed Checksum Calculator to solve a critical security issue in the crypto space: trusting online tools with your mnemonic phrases.
While there are web-based checksum calculators out there, typing 23 words of your master seed into any browser interface carries inherent risks—from malicious browser extensions to compromised servers.
I wanted a professional, zero-trust solution. That's why I created this lightweight CLI app for Windows and Linux. It operates 100% offline. You enter 23 custom words, and it securely computes the final 24th checksum word locally on your machine. No internet required, no data transmitted.
If you value your crypto privacy, I'd love for you to check it out! I'm here all day to answer any technical questions about how it works under the hood.
Stay secure!
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About Offline BIP39 Seed Checksum Calculator on Product Hunt
“Secure, offline CLI tool to compute the 24th BIP39 word.”
Offline BIP39 Seed Checksum Calculator was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #64 on the daily leaderboard. A professional, fully offline CLI application for Windows and Linux. It securely calculates the final checksum (24th word) of a BIP39 mnemonic phrase from 23 custom words. Never type your crypto seed online again. Built for privacy and maximum security.
Offline BIP39 Seed Checksum Calculator was featured in Crypto (39.7k followers), Privacy (11.3k followers) and Developer Tools (517.5k followers) on Product Hunt. Together, these topics include over 93k products, making this a competitive space to launch in.
Who hunted Offline BIP39 Seed Checksum Calculator?
Offline BIP39 Seed Checksum Calculator was hunted by Radosław Przeździak. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Radosław Przeździak