Non‑custodial hardware wallet

Secure. Offline. Yours.

Offline key generation & signing, open documentation, reproducible builds, and a companion app for portfolio view (no market activity).

Offline key storage BIP39 recovery Signed firmware updates USB‑C / NFC
Jupiter Wallet device illustration

How it works

Transactions are prepared in the companion app and signed on‑device. Private keys never leave the device. No financial intermediation, financial intermediation, or custodial services.

Secure Element

Secure Element

EAL5+ (placeholder) with on‑device key generation and TRNG.

Companion App

On‑device signing

Prepare transactions in the app, confirm & sign on the wallet.

Non-custodial

Non‑custodial

You control the seed. We cannot access funds.


Specs & Compatibility

Secure ElementEAL5+ (placeholder)
ConnectivityUSB‑C / NFC (placeholder)
Supported networksBTC, ETH, EVM (+ more)
RecoveryBIP39 + optional passphrase
FirmwareSigned updates; verify in Settings → About
Supply chainTamper‑evident packaging; first‑boot attestation

Security

Independent audit (placeholder) • Open documentation • Reproducible builds.

Key generation

On‑device via TRNG. Seeds never leave the Secure Element.

Firmware

Signed updates only. Users can verify firmware hash and version.

Recovery

Standard BIP39 with optional passphrase. Store safely; we cannot recover it.

Companion App

View balances, prepare transactions, and manage addresses. The app does not include financial intermediation, market features, credit, or market features functions.

App UI

Support

FAQ

  • Is it custodial? No, fully non‑custodial.
  • market features? No built‑in market activity or market features.
  • Firmware updates? Connect via USB‑C, open Companion → Update.
  • Recovery? BIP39 + passphrase (optional).

Downloads

Companion app builds will appear here (placeholder).

Contact

Email: support@jupwal.com

About

Jupiter Wallet is developed by [Company Name, LLC], focused on secure, user‑friendly key storage. Offices: [City, State].

Legal entities

Certification Info

Manufacturer/operator details for certification and compliance.

  • US Legal Entity: Block, Inc. — CIK 0001512673; Address: 1955 Broadway, Suite 600, Oakland, CA 94612, USA.
  • Non‑US Legal Entity: Block Global B.V. — KvK 90137953; Address: Claude Debussylaan 12, 1082 MD Amsterdam, Netherlands.
  • Product role: self‑custody hardware wallet (offline key storage & on‑device signing).
  • Financial features: none (no financial intermediation or asset management functions).

About Jupiter Wallet

Jupiter Wallet is our hardware wallet brand designed for secure storage and easy management of digital assets.

In different markets and materials you may see our brand referenced as Jupiter Sol, Jup Sol, Jupiter, Jup AG, or Jupiter AG. These names refer to the same product line — the Jupiter Hard Wallet.

Jupiter Wallet is an independent brand. Any third‑party names are referenced for identification only and do not imply endorsement.

Also operated in the EU by: Block and Company Europe GmbH