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Blockchain Kit SDK

True self-custody MPC wallets for mobile

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MPC Self-Custody

Keys split across devices using Multi-Party Computation. No central custodian, no seed phrases. Hardware-grade security on consumer devices.

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Multi-Wrapper Backup

Single encrypted backup with multiple recovery paths: Passkey PRF, PIN, Password, or Guardian-assisted recovery. Graceful degradation built in.

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Cross-Platform

Kotlin Multiplatform core with native iOS, Android, and Flutter support. One codebase, platform-native performance and security.