A look back: NU5 and network sandblasting

This post details ECC’s motivations, challenges, and accomplishments with regard to zcashd Network Upgrade 5 (NU5) and the sandblasting attack.

A look back: NU5 and network sandblasting

NU5 activation and Halo Arc release delayed for remediation of consensus bug in testnet

During the course of testing NU5, a consensus bug emerged that caused the testnet chain to fork. The ECC Core […]

NU5 activation and Halo Arc release delayed for remediation of consensus bug in testnet

NU5 security assessments complete

NU5 security assessments are complete, and no serious or critical issues were found in either audit.

NU5 security assessments complete

New Release 4.5.1

TL;DR: This is a required update for all testnet nodes, and is highly recommended for mainnet nodes if you are […]

New Release 4.5.1

Privacy-leak bug discovered in Nighthawk and ECC wallets

Nighthawk Wallet iOS and ECC Reference Wallet iOS users should upgrade to the latest versions in order to remediate a […]

Privacy-leak bug discovered in Nighthawk and ECC wallets

Fuzzing Zcash with Kubernetes

Security is paramount to the success of Zcash and ECC, and as such, we invest significant resources into security.

Fuzzing Zcash with Kubernetes

Canopy security assessment complete

Electric Coin Co. once again engaged the cryptography group at NCC, this time to review our upcoming Canopy (NU4) network […]

Canopy security assessment complete

ECC Wallet threat model and security assessment results

ECC open-sourced our work-in-progress iOS and Android Zcash wallets last week, so it makes sense for the ECC security team […]

ECC Wallet threat model and security assessment results

Heartwood security assessment turns up no major issues

There’s always a lot going on with the ECC security team, and the last few months have been no exception. […]

Heartwood security assessment turns up no major issues

New Release: 2.0.7-3

On Tuesday September 24th we released version 2.0.7-3 of Zcashd to address two security issues. Both were discovered and reported […]

New Release: 2.0.7-3

Blossom Network Upgrade and Wallet Security Audits

Three separate audit reports of Electric Coin Company software have been completed. The first two target the Zcash Improvement Proposals […]

Blossom Network Upgrade and Wallet Security Audits

2018 Security Audit Results Overview

As we embark on a new year with new goals, the Zcash Company remains committed to the security and safety […]

2018 Security Audit Results Overview