Your seed phrase.Fragmented.Protected.Forever.
The only software built to protect your seed phrase today and transmit it to the right people tomorrow.
How Frag-ment works.
Split
Split your key into pieces. You choose how many. No single piece works alone, they can only unlock it together.
Store
Each fragment goes to a different location you control (a NFC card, a printed backup, a trusted person). No single location holds the full secret.
Reconstruct
Bring the required number of fragments together to reconstruct your seed phrase. Offline, on your device, in seconds.
Want to understand the cryptography behind it? Learn more →
What makes it different.
No single point of failure
Your seed is split across locations you control. Losing one fragment changes nothing.
Offline-first, always
Every operation runs locally on your device. Your seed phrase never touches the internet.
Advanced M/N schemes
From 2-of-3 to 7-of-10, define exactly how many fragments are needed to reconstruct your seed.
Multi-support storage
NFC cards, printed backups, mobile... Store each fragment where it makes sense for you.
Open source core
The cryptographic engine is open and auditable. Trust the math, not our word.
Built to outlive you.
Most crypto is lost not because of hacks, but because no one knew where to look, or how to access it. Frag-ment is the only tool that lets you plan the transmission of your seed phrases to the people who matter, on your terms, without a third party.
"3 to 4 million Bitcoin are gone forever. Not stolen, simply unreachable."
