Privacy in Cryptocurrencies: An Overview

Transactions in Bitcoin are recorded in its blockchain. This makes it possible to see whether coins sent through the network are still valid unspent coins. At the same time, however, the transparency of the data stored in the blockchain can be used to infer private information of users. There are already many cryptocurrencies and “money […]

zk-SNARKs Technically Explained: Basic Principles

The full technical article is available here. Introduction Payment confidentiality is a property for cryptocurrencies which allows the user to hide the sender and receiver, as well as the amount of a transaction in the blockchain. Monero Research Lab invented Ring Confidential Transactions, while Zcash uses a different approach based on recent scientific progress in the field […]