## Improved zk-SNARK Multi-party Computation Protocol

zk-SNARKs – the zero-knowledge proofs at the core of Zcash – require a parameter generation ceremony to take place for […]

## Zerocoin Electric Coin Company Integrates Zero-knowledge Security Technology on J.P. Morgan’s Quorum

New York, October 17, 2017 – The Zerocoin Electric Coin Company and J.P. Morgan today announced the integration, and initial […]

## Ethereum Adoption of zk-SNARK Technology

The Ethereum Metropolis (Byzantium) upgrade adds a new cryptographic tool (zk-SNARKs) that was pioneered by Zcash. The addition of zk-SNARK […]

## Cultivating Sapling: Faster zk-SNARKs

Zcash’s next major upgrade, codenamed Sapling, will feature a set of groundbreaking performance improvements for our shielded transactions. In the […]

## Cultivating Sapling: New Crypto Foundations

Zcash’s next major protocol upgrade, codenamed Sapling, will feature a number of improvements to the performance, security and usability of […]

## Pay-to-sudoku Revisited

Last year, I created a project called pay-to-sudoku which was the world’s first implementation of a zero-knowledge contingent payment (ZKCP). […]

## Explaining SNARKs Part VII: Pairings of Elliptic Curves

<< Part VI In Part VI, we saw an outline of the Pinocchio zk-SNARK. We were missing two things – […]

## Press release: Zero-knowledge Security Layer to be Added to Quorum Blockchain Platform

The Zerocoin Electric Coin Company (ZECC), developers of the Zcash™ digital currency, today announced a partnership with J.P. Morgan, one […]

## Explaining SNARKs Part VI: The Pinocchio Protocol

<< Part V In part V we saw how a statement Alice would like to prove to Bob can be […]

## Explaining SNARKs Part V: From Computations to Polynomials

<< Part IV In the three previous parts, we developed a certain machinery for dealing with polynomials. In this part, […]

## Explaining SNARKs Part IV: How to make Blind Evaluation of Polynomials Verifiable

<< Part III In this part, we build on Part II and III to develop a protocol for verifiable blind […]

## Bellman: zk-SNARKs in Rust

Bellman is a Rust-language library for building zk-SNARKs — small, cheap-to-verify zero-knowledge proofs of arbitrary computations. The goal of bellman […]

## Explaining SNARKs Part III: The Knowledge of Coefficient Test and Assumption

<< Part II In Part II, we saw how Alice can blindly evaluate the hiding :math:E(P(s)) of her polynomial :math:P […]

## ZSL: zk-SNARKs for the Enterprise

The Zerocoin Electric Coin Company’s primary focus is – and always will be – developing and supporting Zcash. However, as […]

## Explaining SNARKs Part II: Blind Evaluation of Polynomials

<< Part I In this post, we recall the notion of a polynomial, and explain the notion of “blind evaluation” […]