Zug, Switzerland, August thirteenth, 2025, Chainwire
dWallet Labs, a core contributor of Ika, and a frontrunner in cryptography and decentralized safety, at present introduced REFHE (Ring-Enhanced Totally Homomorphic Encryption), a brand new encryption scheme that brings encrypted computation nearer than ever to how actual processors work. REFHE uniquely helps each arithmetic and logical operations on encrypted 64-bit values, enabling software program to swap seamlessly between math and logic—similar to a contemporary CPU.
Why This Issues
Totally Homomorphic Encryption (FHE) permits computation on encrypted information with out revealing the underlying data—a functionality lengthy thought of a “holy grail” of cryptography. However present schemes sometimes power a trade-off: select between environment friendly arithmetic or environment friendly logic. REFHE removes that barrier, making a unified strategy the place real-world software program—stuffed with combined arithmetic and logic—can run encrypted.
Breaking a Decade of TFHE Dominance
Since 2016, TFHE has been some of the broadly used FHE schemes, particularly within the context of blockchain use circumstances, and is leveraged by corporations resembling Zama. For practically a decade, no scheme had meaningfully surpassed its efficiency and latency—till now. REFHE delivers:
- 100× smaller ciphertexts
- 20× sooner multiplications
- 1,000× sooner additions
These positive factors, alongside being optimized for each arithmetic and logical operations, make it the primary FHE scheme able to working as a sensible, CPU-like encrypted execution engine.
Implications for 2PC-MPC and the Ika Community
The newest FHE-related analysis, together with REFHE and Threshold FHE, may be built-in into the 2PC-MPC protocol powering the quickest MPC community – Ika, coordinated on Sui. With these breakthroughs, 2PC-MPC may straight execute its Zero-Belief signing with FHE, lowering communication rounds and boosting latency, throughput, and safety.
Constructing on Latest Threshold FHE Breakthroughs
REFHE follows dWallet Labs’ current Threshold FHE analysis, which permits scalable, environment friendly, safe multi-party decryption. Collectively, these advances kind the idea for encrypted programs which can be each high-performance and able to real-world program logic.
“That is greater than a speedup,” mentioned Omer Sadika, Co-Founding father of Ika and CEO at dWallet Labs. “It’s about lastly aligning encrypted computation with the best way actual software program and CPUs work. That opens up a brand new class of safe, privacy-preserving purposes that have been merely not sensible earlier than.”
About Ika
Ika is the quickest parallel MPC community, providing sub-second latency, unprecedented scale and decentralization, and zero-trust safety. Because the premier selection for interoperability, decentralized custody, and chain abstraction, Ika is about to revolutionize digital asset safety and multi-chain DeFi. Customers can study extra right here
About dWallet Labs
dWallet Labs is on the forefront of cryptographic innovation, constructing safe, decentralized protocols for the following technology of the web. From pioneering 2PC-MPC to advancing FHE, the corporate is shaping the infrastructure for a safe, interconnected world.
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