Zama is an open-source cryptography company dedicated to making Fully Homomorphic Encryption (FHE) practical for widespread use. Their mission is to protect data privacy by allowing applications to process data without ever decrypting it. Zama provides the tools and infrastructure necessary for developers to build privacy-preserving applications for AI and blockchain without needing a PhD in cryptography.
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Historically, encryption protected data only when it was "at rest" (stored on a hard drive) or "in transit" (moving over the internet). However, to actually use the data (run a calculation or train an AI model), it had to be decrypted into "plaintext."
This moment of decryption is the Exposure Window—a vulnerability where server providers, hackers, or malware can access sensitive information. Zama’s technology closes this window by allowing computation directly on encrypted data.
HTTPZ is the vision for a new internet standard championed by Zama. Just as HTTPS made data transfer secure, HTTPZ aims to make data computation secure. In an HTTPZ world, end-to-end encryption exists throughout the entire lifecycle of data usage, ensuring that service providers never see the user's raw data.
FHE is often called the "Holy Grail" of cryptography. It allows computers to perform mathematical operations on encrypted data (ciphertext) and generate an encrypted result. When the user decrypts this result, it matches exactly what the answer would have been if the calculation were done on unencrypted data.
Traditional FHE solutions are often slow and accumulate mathematical "noise" that corrupts data. Zama utilizes Torus Fully Homomorphic Encryption (TFHE), which offers two distinct advantages:
Programmable Bootstrapping: A mechanism that clears the "noise" and refreshes the ciphertext during computation without decrypting it.
Granular Speed: TFHE breaks computations into tiny steps, allowing complex programs to run efficiently.
Concrete is Zama’s compiler designed to bridge the gap between cryptography and software engineering. It allows developers to write code in standard languages like Rust or Python. The compiler then automatically translates this logic into FHE-ready circuits. This makes FHE accessible to developers who do not have deep cryptographic expertise.
The fhEVM (Fully Homomorphic Ethereum Virtual Machine) is a specialized smart contract engine compatible with Ethereum. It enables developers to create smart contracts where the transaction data remains encrypted on-chain. This solves major blockchain issues, such as:
Currently, using AI requires sending your data to a third party (like OpenAI or Google). Zama enables Encrypted AI, where:
The $ZAMA token acts as the fuel for the confidentiality network. Its core utilities include:
In early 2026, Zama proved its scalability via a confidential Dutch auction that raised $118.5 Million in committed value. Crucially, the auction used FHE to calculate the clearing price ($0.05) without revealing individual bid sizes, proving that privacy and transparency can coexist on-chain.
TEEs (like Intel SGX) rely on hardware trust—you must trust the chip manufacturer not to have backdoors. Zama relies on math, not hardware. FHE offers a higher security standard because the data is never decrypted, even inside the processor.
