The missing layer between blockchains and mainstream adoption lies within the ongoing tug-of-war among speed, scalability, and privacy. The latter is often left underreported.
That's the case Rand Hindi, co-founder and CEO of Zama, makes in the 15th episode of Off the Block. We sit down with one of the leading voices in cryptographic privacy to unpack why fully homomorphic encryption (FHE) could quietly become the infrastructure layer that makes onchain finance viable for institutions, enterprises, and everyday users alike.
We cover why blockchain's radical transparency is actually its biggest barrier to adoption, how FHE allows computation on encrypted data without ever decrypting it, and why Zama chose to build the infrastructure layer rather than launch yet another Layer 1. We also get into the nuances of programmable privacy, the compliance misconceptions that have stalled institutional DeFi, and why confidential transactions could become the default setting for onchain finance.
From shielded tokens and real-world assets to the trillion-dollar question of how big onchain privacy can actually get, this episode maps out why FHE might be to blockchain what HTTPS was to the internet.
Here are some of our favorite moments in this episode:
- 03:13 - Why privacy matters for blockchain adoption
- 04:52 - What is Zama?
- 05:27 - What is Fully Homomorphic Encryption (FHE)?
- 06:37 - The blockchain privacy problem
- 08:34 - Misconceptions about privacy and compliance
- 10:17 - Why not build another Layer 1? Zama’s approach
- 14:17 - Key use Cases: DeFi, RWAs, and payments
- 17:42 - Transparency vs privacy: The trade-off in crypto
- 32:39 - How Zama works: Shielded tokens explained
- 36:13 - FHE vs ZK vs MPC: What’s the difference?
- 39:34 - Real-world use cases for confidential finance
- 44:06 - How big can onchain privacy get? Trillions?
▶️ Listen to the full episode of Off the Block with Rand Hindi.
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