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Wallets / NGRAVE ZERO
HARDWARE WALLET REALITY CHECK · READ 11 OCT 2026

NGRAVE ZERO: what the sources say

Current 0 disclosed weaknesses 0 company incidents

Key facts

The questions, with sources

QuestionWhat the sources saySource
Status
Current — ngrave.io lists ZERO as sold via the NGRAVE store (firmware 1.8 'out now'). On 2026-10-11 the US shop page showed the product as sold out. No discontinuation or successor stated on pages read.
Company
Hestara SRL (trading as NGRAVE), Belgium
List price
$398 — Official US shop page: $398.00 USD (ZERO + USB-C cable), page showed sold out. EUR store price not read. Coin Bureau review (date unknown, may be outdated) states 398 EUR.
Secure element
Not verified: chip not named; Maker claims 'EAL7' for ZERO / its custom secure OS (CC EAL7); evaluating body and scope not stated on pages read
Firmware code
Partial; reproducible build: not verified. NGRAVE states firmware 'will be gradually open sourced except the secure element and secure operating system'; no timeline given. Universal QR Protocol is published. Whether any ZERO firmware source is released was not verified.
Companion app
Not verified. Companion app (Liquid) open-source status not verified.
—
Connections
USB: USB-C for charging and firmware updates only. Bluetooth: no. NFC: no. QR: yes. microSD: no (not listed).
Screen
4-inch capacitive LCD, 480x800; touch: yes
Assets
15 coins plus Ethereum and MultiversX tokens (product page); home page FAQ lists 16 coins; pages are inconsistent; Bitcoin-only option: no (not listed)
Multisig and PSBT
Not verified. Not mentioned on pages read.
—
Passphrase
Yes. Passphrase support for hidden wallets stated on product page.
Shamir backup (SLIP-39)
No. Not offered per pages read; backup via 'Perfect Key' stored on two GRAPHENE plates (a two-part split per Coin Bureau, not described as Shamir).
Recovery phrase standard
Maker-specific 'Perfect Key' (64-char hex); 24-word BIP39 mnemonic can be shown for use in other wallets
Optional recovery service
None. No recovery service found; optional paid GRAPHENE metal backup product exists.
FIDO / passkeys
Not verified. Not mentioned.
—
Bug bounty
Not verified
—
Warranty
US shop page shows a '2 years guarantee' badge without terms; 30-day return policy.
—

"n/v" or "not verified" means we could not confirm it from a source we could read. Maker claims are marked as such. Confirm on the maker's site before you buy. Education only, not investment advice.

Summary

Five facts

  • NGRAVE is operated by Hestara SRL in Belgium; the ZERO is an air-gapped QR-only wallet with a 4-inch touchscreen and fingerprint sensor [source 3].
  • The US store lists the ZERO at $398 and showed it sold out on 2026-10-11 [source 2].
  • NGRAVE claims EAL7 certification for the ZERO's custom OS; the evaluating body and scope are not stated on the pages read [source 5].
  • NGRAVE says firmware will be gradually open sourced except the secure element and secure OS, with no timeline given [source 4].
  • Maker pages are inconsistent on the number of supported coins (15, 16, or +3,500 coins and tokens) [source 3].
Independent checks

Audits

  • No independent audit found in our search.
Device record

Publicly disclosed weaknesses

  • No publicly disclosed weakness found in our search. That is not proof there is none.

Disclosed weaknesses are listed whatever their severity. "Funds lost" is what the sources say. "Fixed" means the source states a fix exists, which only helps if you update.

Company record

Incidents at the maker or its service providers

  • No company incident found in our search.

These affect the company or its customers and apply to every device of the brand. They are not weaknesses of this device.

Questions

Questions about NGRAVE ZERO

Is NGRAVE ZERO safe?

We do not give a yes or no, because safety depends on what you need to protect and on facts that change. We found 0 publicly disclosed weaknesses and 0 company incidents in our search. Read the sources above before you buy.

Does NGRAVE ZERO need an internet connection?

Signing happens on the device. How the device talks to your phone or computer depends on its connections: QR. The companion app or software that builds the transaction is online.

Who found the weaknesses listed for NGRAVE ZERO?

The page names who disclosed each one when the source does. Several were found by a competing maker's research team or by independent security firms. We cite the affected company's own statement where we found one, and label press-only reports.

Sources

Where this comes from

Not verified: No independent audit, vulnerability disclosure, incident or bug bounty found (one broad search returned irrelevant results; absence not proven). EAL7 certificate, chip model, EUR price, multisig, app open-source status, passkeys not verified. Official EU store not read; discontinuation status unclear (sold out on US page).

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