Announcing the tecdh Crate

DFNS introduces tecdh, an open-source library for fast and secure threshold Diffie-Hellman key exchange, enabling distributed key management without any party holding the full key.

Nikita Sorokovikov and Denis Varlakov MPC Engineer / Lead MPC Engineer

All 231 Learn 13 Product 113 Research 10 Security 8 Update 87

Research 11 min read	Deploying MPC in the Wild Lessons learned from deploying large-scale MPC systems for secure key management, digital asset custody, and blockchain infrastructure.	Antoine Urban
Research 3 min read	DFNS Steps Into MPCA Presidency DFNS CEO Clarisse Hagège has been named President of the MPC Alliance, leading a new era of innovation and collaboration for multi-party computation.	Christopher Grilhault des Fontaines
Research 5 min read	KU23 High-Performance Threshold ECDSA Introducing KU23, the new high-performance threshold signature protocol from DFNS Labs. Built for secure, high-throughput digital asset transactions on ECDSA blockchains, KU23 makes it possible to bring MPC security to use cases in need for speed.	Jonathan Katz, Antoine Urban
Research 5 min read	A FROST Library Called Givre DFNS is launching Givre, our new open-source implementation of the FROST (Flexible Round-Optimal Schnorr Threshold) protocol for threshold signatures. This advanced MPC library provides secure and fast signing and key generation protocols for Schnorr and EdDSA, used by blockchains including Bitcoin, Solana, Stellar, Tezos, and more.	Denis Varlakov
Research 7 min read	Lockness Is Alive Introducing Lockness, a DFNS-led initiative that brings together state-of-the-art public key protocols, digital signatures and data storage technology under LF Decentralized Trust.	Christopher Grilhault des Fontaines, Clarisse Hagège, Denis Varlakov, Nikita Sorokovikov, Jonathan Katz
Research 11 min read	What's So Hard About Hashing Data? Hashing is a fundamental tool in cryptography. In this article, we'll explore an advanced application: hashing structured data, with practical examples in Rust.	Denis Varlakov
Research 2 min read	Fully Secure DKG Our new DKG protocol, developed at DFNS Labs, has been accepted to CRYPTO 2024, the leading conference on cryptography.	Jonathan Katz
Research 2 min read	TSS Arrives On Starkware DFNS open-sources its STARK curve implementation to enable the use of threshold signatures for apps on Starknet and Starkex.	Denis Varlakov
Research 7 min read	CGGMP21 In Rust At Last DFNS is open-sourcing the first audited Rust implementation of CGGMP21, the state-of-the-art ECDSA threshold protocol.	Denis Varlakov, Jonathan Katz

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Announcing the tecdh Crate

Deploying MPC in the Wild

DFNS Steps Into MPCA Presidency

KU23 High-Performance Threshold ECDSA

A FROST Library Called Givre

Lockness Is Alive

What's So Hard About Hashing Data?

Fully Secure DKG

TSS Arrives On Starkware

CGGMP21 In Rust At Last