zk-SNARKs definition

zk-SNARKs Technically Explained: Basic Principles

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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 […]

ECDSA Security in Bitcoin and Ethereum: a Research Survey

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Elliptic curve cryptography is becoming more and more popular. One of its main supporters is the cryptocurrency system Bitcoin which uses an elliptic curve scheme for their digital signatures. Smaller key size, a more efficient implementation than the RSA system, and a similar level of security make elliptic curve cryptography an interesting alternative to RSA. […]