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

Wallet performance issues resolved, ECC exiting Emergency Mode

After releasing multiple updates to zcashd and lightwalletd, plus new mobile SDKs that, together, introduced new innovations (and learning) in the world of cryptography and decentralized money, ECC is exiting Emergency Mode.

Wallet performance issues resolved, ECC exiting Emergency Mode

New Release 5.6.0

Release 5.6.0 introduces the functionality necessary for light wallets to access spendable funds without fully scanning the blockchain. This is […]

New Release 5.6.0

New Release 5.5.0

Release 5.5.0 introduces a number of bug fixes and changes to the underlying libraries that support Zcash. Much of this work lays the foundation for the fund availability features coming with the next release.

New Release 5.5.0

Update: Addressing Zcash wallet performance issues

Electric Coin Co. (ECC) has been working since June to resolve Zcash wallet performance issues that are affecting users of third-party apps Edge, Nighthawk, and Unstoppable.* All three of these mobile wallets utilize the ECC SDK.Our engineers have made progress, however, work remains — including further updates to zcashd, lightwalletd, the ECC wallet SDKs, and the ECC prototype wallet — to fully restore good user experience in the impacted apps.

Update: Addressing Zcash wallet performance issues

ECC roadmap calls for focus on wallet, proof of stake and interoperability

It has become clear that the best way for ECC to contribute to the Zcash community over the next three years is to release an official ECC wallet on top of a highly interoperable Zcash protocol that leverages proof-of-stake consensus.

ECC roadmap calls for focus on wallet, proof of stake and interoperability

New releases to help enable Zcash Shielded by Default

We’re introducing “auto-shielding” in our mobile wallet SDKs and unified addresses at the Zcash protocol level. In supporting wallets, these two features ensure your Zcash transaction and balance information is automatically encrypted — Shielded by Default — in the latest, most secure shielded pool.

New releases to help enable Zcash Shielded by Default

Zcash Gitcoin Grants round 1 retrospective

Following the example of Vitalik Buterin’s Gitcoin Grant retros, this post summarizes the projects funded and lessons learned from the first Zcash Gitcoin Grant Round.

Zcash Gitcoin Grants round 1 retrospective

Zcash is Unstoppable: Privacy-focused wallet first to integrate ECC wallet SDKs

Unstoppable became the first multi-currency wallet to enable shielded Zcash transactions. Thiis an important milestone for shielded addresses, which allow users to send confidential peer-to-peer transactions.

Zcash is Unstoppable: Privacy-focused wallet first to integrate ECC wallet SDKs

Open-source wallet apps localized into 5 additional languages

With help from community volunteers, ECC exceeded its goal and added localization in five languages to our open-sourced apps.

Open-source wallet apps localized into 5 additional languages

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

7 things we learned building the shielded-first ECC Wallet

Earlier this year, ECC released a suite of libraries for building shielded mobile wallets in support of the shielded-Zcash ecosystem. […]

7 things we learned building the shielded-first ECC Wallet