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.
December 7, 2023
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 team found it quickly and subsequently identified and implemented a
March 23, 2022
NU5 security assessments complete
NU5 security assessments are complete, and no serious or critical issues were found in either audit.
November 3, 2021
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 using the getbalance RPC method. Testnet Orchard Circuit Changes In
September 29, 2021
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 security vulnerability. No other wallets are affected by this bug,
July 13, 2021
Fuzzing Zcash with Kubernetes
Security is paramount to the success of Zcash and ECC, and as such, we invest significant resources into security.
December 14, 2020
Canopy security assessment complete
Electric Coin Co. once again engaged the cryptography group at NCC, this time to review our upcoming Canopy (NU4) network upgrade design and implementation. We are happy and impressed with
September 4, 2020
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 to provide some transparency into the work we’ve engaged in
June 18, 2020
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. A recent Heartwood security assessment conducted by independent firm Trail
June 17, 2020
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 to us by Florian Tramèr, Dan Boneh, and Kenneth G.
October 2, 2019
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 (ZIPs) for the Blossom network upgrade, scheduled for activation this
July 19, 2019
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 of our user community. Last year, we published our schedule
January 31, 2019
