It's Here: Zashi-Keystone Hardware Wallet Integration for Shielded ZEC

We are so proud to announce the launch of the Zashi-Keystone integration, a major breakthrough for the Zcash community that has been years in the making. This integration marks a significant evolution in Zcash usability by enabling cold storage of shielded ZEC.

The Wait

“It’s been a long and challenging road,” says @joshs. “Due to the computation needed to create zero-knowledge proofs, we had to overcome a number of technical hurdles in order to support shielded ZEC on a hardware wallet. This is cryptography, hardware, and software all coming together with a beautiful user experience for the first time."

A robust front end capable of handling the complexities of shielded ZEC transactions was critical to integrating with a hardware wallet like Keystone. “Zashi wasn’t just another wallet; it became the necessary front-end that made the Keystone integration feasible. This wouldn’t be possible without ECC’s core team’s deep knowledge of the Zcash protocol.”

Working Together

The Zcash community has faced setbacks with other hardware wallet platforms when development promises weren’t met, which resulted in stalled funds and frustration. Keystone emerged as a collaborative partner willing to push boundaries and innovate alongside us. Their exceptional commitment and capabilities didn’t go unnoticed. The community embraced Keystone, and they received a ZCG grant to fuel their work.

The non-stop exchange of ideas and solutions between the ECC and Keystone teams is notable. Keystone’s proactive approach and dedication to addressing complex technical issues made it a seamless collaboration. "Keystone proved to be an invaluable partner in developing the Zashi integration, displaying remarkable agility and commitment to innovation,” says Josh. “Their collaborative spirit and technical capability allowed us to overcome significant challenges, turning ambitious concepts into practical solutions for storing shielded ZEC.”

Order Your Keystone

In celebration of this milestone, Keystone is offering a 5% discount to our community. Use the promo code “ZASHI” when ordering your Keystone wallet.

Best Practices

We do not recommend importing an old seed phrase into Keystone. Instead, create a new Keystone wallet and simply send your funds to the new Keystone address. Sharing a seed phrase between wallets reduces the security of your funds. It can also result in long scanning times and funds appearing to be unavailable.

Looking Forward

With the successful launch of the Zashi-Keystone integration, we continue to pave the way for future advancements in Zcash technology and usability. Our commitment remains strong to providing our community with the tools they need to securely manage their assets while upholding the privacy and security standards Zashi is known for.

Happy transacting.

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Does it only work with keystone, or is it ledger compatible as well?

This is specific to Keystone

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just got an email that mine is on the way =]
lets go

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The moment Zashi-Keystone went live :sparkling_heart::sparkles::star:

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Do you plan on expending the short message you did on twitter that “ledger was not in the plans” given their priorities?

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Ledger has not prioritized Zcash or engagement with us. We chose to work with someone dedicated to the community, collaborative and responsive.

When Ledger makes it a priority, we’ll revisit.

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Congrats on this! Its huge and went so fast!

I tested it and works amazingly well.

One option that would be nice to have is to add multiple keystone wallets to a zashi wallet.

Well done! :clap:

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Dumb question - Does this mean anybody with a public address can view its balance? How does Zashi know the balances & transactions without knowing the seed phrase?

Same as for non-hardware wallets. For transparent addresses, yes. For shielded addresses, no.

When you connect a Keystone to Zashi, a Unified Full Viewing Key is transferred from the Keystone device to Zashi. This is a “viewing capability”, permitting Zashi (or anyone else with access to the viewing key) to learn balances and transactions, but not permitting spends.

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Thats insane. I thought viewing keys were for revealing individual transactions, never imagined customized perms usecase.

It comes with parental control lol.

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Did you order the Keystone3 pro? just bought one 2 days ago. Waiting on arrival to start testing it.

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Yes,
i am happy with it, already using not only for ZEC.
enjoy yours =]

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