The modern trends of digitalization have completely transformed and reshaped business
practices, whole businesses, and even a number of industries. Blockchain technology is …

Blockchain technology enables users to verify, preserve, and synchronize the contents of a
data sheet (a transaction ledger) replicated by multiple users. Blockchain technology has …

Ever since their introduction, zero-knowledge proofs have become an important tool for
addressing privacy and scalability concerns in a variety of applications. In many systems …

Cryptocurrencies, such as Bitcoin and 250 similar alt-coins, embody at their core a
blockchain protocol---a mechanism for a distributed network of computational nodes to …

We present batching techniques for cryptographic accumulators and vector commitments in
groups of unknown order. Our techniques are tailored for distributed settings where no …

Blockchain technology is expected to revolutionize the way transactions are performed,
thereby affecting a vast variety of potential areas of application. While expectations are high …

A succinct non-interactive argument of knowledge (SNARK) allows a prover to produce a
short proof that certifies the veracity of a certain NP-statement. In the last decade, a large …

The invention describes an identity management system (IDMS) based on the concept of
peer-to-peer protocols and the public identities ledger. The system manages digital …

Frequently, users on the web need to show that they are, for example, not a robot, old
enough to access an age restricted video, or eligible to download an ebook from their local …

We present CanDID, a platform for practical, user-friendly realization of decentralized
identity, the idea of empowering end users with management of their own credentials. While …