AMIS implemented a hierarchical variant of threshold signatures, using different levels/ranks in its distributed key generation (DKG) and signing logic, based on a previous research paper.
Binance created an open source software library available on Github implementing a threshold ECDSA signature scheme (TSS), and hired Kudelski Security to perform a security
KZen hired Kudelski Security to perform a security assessment of their Multi-party ECDSA library and provided us access to their source code and associated documentation.
CashShuffle is a plugin for the ElectronCash Bitcoin wallet software. CashShuffle implements a superset of the CoinShuffle protocol, whose aim is to anonymize cryptocurrency ownership
KZen hired Kudelski Security to perform a security assessment of their curv library, providing access to source code and documentation. KZen Curv is a library
Zcash is a decentralized, open-source cryptocurrency that provides strong privacy protections thanks to state-of-the-art cryptographic components. Zcash will upgrade its protocol to a new version,