Our transaction history in the current centralized banking system has the ability to reveal a
lot of private information for each spender, both to the banking system itself, but also to those …

Bitcoin cannot provide enough anonymity for its users and, thus, people started to worry
about a possible traceability in their cryptocurrency transactions. More and more people get …

Modern retail banking creates a kind of panopticon for consumer behaviour, ultimately
promising to implement a mechanism that binds all of the financial activities undertaken by …

Cryptocurrencies acquire user confidence by making the whole creation and transaction
history transparent to the public. In exchange, the transaction history accurately captures the …

Reports on cryptocurrencies and examined issues and concerns of privacy and information
security. Cryptocurrencies can have significant privacy costs. A motivated adversary has …

With a zero-knowledge proof (ZKP), a party can prove that a statement is true without
revealing any information except for whether it is indeed true or not. The obvious benefit is …

The lack of privacy in the first generation of cryptocurrencies such as Bitcoin, Ethereum, etc.
is a well known problem in cryptocurrency research. To overcome this problem, several new …

Bitcoin is the most widely known distributed, peer-to-peer payment network without
existence of a central authority. In Bitcoin, users do not use real names; instead …

The concept of virtual currencies is an emerging, and perhaps unexpected development in
the modern financial world. Bitcoin can be regarded as the first successful virtual currency …

We increasingly live in a world where there is a balance between the rights to privacy and
the requirements for consent, and the rights of society to protect itself. Within this world, there …