Lightspeed Making Privacy the Default | Kru & Cal
Mar 24, 2026
Founders discuss building privacy infrastructure on Solana using MPC and zero-knowledge tech. They explain private composability, shielded pools, and encrypted state for DeFi interactions. Regulatory design choices, auditability, and compliance workflows are covered. UX, SDK integrations, and paths to institutional adoption are highlighted.
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Make Privacy A Plug And Play SDK
- Ship an SDK so any app can add private transfers and swaps with minimal code changes.
- Cal describes an SDK that lets stores or wallets plug in private payments via a few lines of code.
Platform Expansion Depends On Archeum
- Umbra's multi-chain expansion depends on its encrypted-state provider Archeum's roadmap.
- Kru says if Archeum moves chains, Umbra can follow quickly; today Archeum is Solana-native.
Add Exportable Records And Granular Viewing Keys
- Build compliance features by default: provide single-click export and granular viewing keys for auditors.
- Kru explains Umbra allows auditors access to specific transactions or time ranges rather than full history for compliance.