
Cypherock cySync
Cypherock X1 splits private keys across four NFC cards using Shamir's Secret Sharing, eliminating seed phrase backups.

What is Cypherock cySync?
Cypherock X1 is an open-source hardware wallet that decentralizes private keys via Shamir's Secret Sharing across four EAL6+ NFC smartcards and an X1 Vault. cySync is its desktop companion app for sending, receiving, and swapping crypto across major EVM chains, with non-custodial inheritance support and 18,000+ digital assets.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

