Zama: FHE and The Holy Grail of Blockchain Privacy

Blockchains operate as a public ledger, ‘disclosing’ the entire transaction history and associated data to everyone. While verifiability and traceability are key traits, as blockchains gain global adoption, those very features hinder the process. Self custody, on-chain identities, corporate strategies, transaction history, private deals, all represent highly sensitive information that call for provable confidentiality. Fully homomorphic encryption has long been considered the ‘holy grail’ of cryptography as it enables computation to be performed on encrypted data without the need of prior decryption. This basically translates to true end-to-end encryption, both on-chain and off-chain. As cryptographic research advances, so does the scalability and applicability of FHE. As a result of more than 5 years of work, Zama has now released Zama Protocol, which enables confidential smart contracts on top of any L1 or L2 using FHE, without any additional execution burden. By encrypting all ciphertexts with the same public key, FHE ensures composability and seamless integration across different blockchains and applications, making it a true cross-chain confidentiality layer. Through parallel execution, Zama Protocol already surpasses Ethereum’s throughput, yet future roadmap includes open-source development of FPGA & ASIC in order to scale it even further, to accommodate faster, non-EVM chains.

Topics covered in this episode:

• Zama’s progress in FHE
• Zama's confidential blockchain Protocol
• Security guarantees of MPC coprocessors
• Maintaining a healthy operator set
• Slashing and governance
• Zama’s throughput
• Open-sourcing FPGA & ASIC development
• The Zama token & its implications
• Zama’s public testnet
• Private voting
• Zama funding
• Regulations
• Expanding use cases beyond blockchains
• Future goals and expectations

Episode links:

• Rand Hindi on X
• Zama on X

Sponsors:

• Gnosis: Gnosis builds decentralized infrastructure for the Ethereum ecosystem, since 2015. This year marks the launch of Gnosis Pay— the world's first Decentralized Payment Network. Get started today at - gnosis.io
• Chorus One: one of the largest node operators worldwide, trusted by 175,000+ accounts across more than 60 networks, Chorus One combines institutional-grade security with the highest yields at - chorus.one

This episode is hosted by Friederike Ernst.