Blockstream Jade review
A cheap, fully open-source Bitcoin and Liquid hardware wallet with a camera for air-gapped signing. It skips a physical secure element for an open blind-oracle model, and covers only Bitcoin.
Blockstream Jade is Blockstream’s bitcoin hardware wallet (from $67). A Blockstream Jade hardware wallet review has to explain its unusual, and defensible, security choice. Jade is fully open source in both firmware and hardware, costs about $67, and has a camera for air-gapped QR signing, which is rare at this price. Instead of a physical secure element it uses an open blind-oracle model: your encrypted seed sits on the device, and the decryption key is split with a remote server that never sees your PIN or keys, so a stolen locked Jade has nothing extractable. You can also run your own oracle or go fully offline and stateless. The trade-offs are that it supports only Bitcoin and Liquid, uses a general-purpose chip rather than a certified secure element, and includes Bluetooth some purists dislike. For an open-source Bitcoiner on a budget, it is excellent value.
It scores 7.6 out of 10 on our fixed 40-point standard, and is our best cheap open-source Bitcoin wallet, weighed on security, ease of use, supported assets, value and recovery. Strengths: Very cheap for a hardware wallet; Fully open source, firmware and hardware; Camera for air-gapped QR signing. Trade-offs: No physical certified secure element; Bitcoin and Liquid only; Bluetooth on a cold-storage device.
How it scored, out of forty
What we liked
- Very cheap for a hardware wallet
- Fully open source, firmware and hardware
- Camera for air-gapped QR signing
- Clean security record and flexible app support
What to weigh
- No physical certified secure element
- Bitcoin and Liquid only
- Bluetooth on a cold-storage device
- Default model relies on Blockstream's oracle unless you self-host
Who should buy it, and who should skip it
A great fit if you
- Hold Bitcoin and want fully open-source hardware
- Want camera-based air-gapped signing on a budget
- Are comfortable with the blind-oracle or offline model
- Use Sparrow, Electrum or Nunchuk
Look elsewhere if you
- Want a certified physical secure element
- Hold coins beyond Bitcoin and Liquid
- Dislike Bluetooth on a hardware wallet
What Blockstream Jade does well
Fully open source
Both firmware and hardware are open, a rare, verifiable claim.
Camera air-gap
A built-in camera signs transactions by QR code without a cable.
Blind-oracle security
An open scheme that splits the seed decryption key with a blind server, or runs offline.
Multisig and passphrase
BIP39 with passphrase, plus multisig support as one key in a quorum.
This Jade wallet review looks at Blockstream's take on a hardware wallet: keep it cheap, keep it fully open, and replace the usual secure-element chip with an open-source scheme. It is one of the most interesting budget devices out there, and this review explains the model that makes it possible, its Bitcoin-only scope, and how it stacks up.
Blockstream Jade at a glance
| Specification | Blockstream Jade |
|---|---|
| Type | Bitcoin and Liquid hardware wallet (Blockstream) |
| Models | Jade (from $67), Jade Plus (from $149, bigger screen, microSD, secure boot) |
| Networks | Bitcoin mainnet and the Liquid Network only |
| Custody | Self-custodial, BIP39 with optional passphrase, multisig |
| Air-gap | Built-in camera signs by QR code |
| Secure element | None physical; an open blind-oracle scheme ("virtual secure element") |
| Connectivity | USB-C and Bluetooth |
| Open source | Fully, firmware and hardware |
| Companion apps | Blockstream app, plus Sparrow, Electrum, Nunchuk and Specter |
| Price | From $67 |
| Our score | 7.6 / 10 |
What Jade is
Blockstream Jade is a Bitcoin-focused hardware wallet from Blockstream. The original Jade is about $67, with a newer Jade Plus from $149 that adds a bigger screen, microSD and secure boot. Both have a color screen and a built-in camera for air-gapped signing by QR code, plus USB-C and Bluetooth. It supports Bitcoin mainnet and the Liquid Network, including Liquid assets, and nothing else, so it is squarely a Bitcoin device.
The blind-oracle security model
This is the crux of any Jade review, and it is often misunderstood. Neither Jade nor Jade Plus has a physical, certified secure element. Instead your seed is stored strongly encrypted on the device, and the key to decrypt it is split between the device and a remote blind oracle. You enter a PIN on Jade; the oracle, which only ever stores a hash of your PIN, helps reconstruct the decryption key without ever seeing your PIN, keys or addresses, and too many wrong PINs trigger a wipe. So a thief with a locked Jade has nothing usable. Blockstream calls this a virtual secure element and argues it matches or beats a chip while staying fully open. You can also run your own oracle, or use Jade fully offline in a stateless mode with SeedQR, no server at all.
Custody, coins and companion apps
Jade uses a standard BIP39 recovery phrase with an optional passphrase for hidden wallets, supports multisig, and can act as one key in a multisig quorum. It pairs with the Blockstream app, and with Sparrow, Electrum, Nunchuk and Specter, so you are not locked into one interface. This Jade hardware wallet review rates that flexibility highly, though the Bitcoin-and-Liquid-only scope means it is not for multi-coin holders, who should look at a multi-coin device instead.
Security record and the ESP32 scare
Jade is fully open source, firmware and hardware, and has a clean fund-safety record. In 2025 a reported flaw in the widely used ESP32 chip it is built on sparked headlines, but Blockstream showed Jade does not rely on that chip for seed entropy or as a trusted signer, and it was deemed unaffected. As with any hardware wallet, buy direct from Blockstream and verify the device on first use.
Blockstream Jade vs the alternatives
Against the Coldcard, Jade is far cheaper and easier but relies on the blind-oracle model rather than dual secure elements. Against the Trezor Safe 5 and Keystone 3 Pro, Jade gives up multi-coin support and a physical secure element for full openness and a very low price. For a budget, open-source Bitcoin signer, few devices compete.
| Jade | Coldcard | Trezor Safe 5 | Keystone 3 Pro | |
|---|---|---|---|---|
| Coins | Bitcoin + Liquid | Bitcoin only | Multi-coin | Multi-coin |
| Secure element | Blind-oracle (no chip) | Dual | Yes | Yes |
| Air-gap | Camera QR | microSD / QR | No | QR |
| Open source | Fully | Yes | Fully | Fully |
| Price | from $67 | from $189 | $169 | $149 |
| Score | 7.6 | 6.8 | 9.1 | 8.6 |
See our best bitcoin hardware wallets and best cold storage guides for the wider field.
Price and value
At about $67, the Jade is one of the cheapest real hardware wallets you can buy, and even the Jade Plus at $149 undercuts most rivals' flagships. For that you get fully open firmware and hardware, camera air-gapped signing, multisig and broad app support, which is exceptional value for a Bitcoiner who accepts the blind-oracle model or runs it offline. The value only drops if you specifically want a certified secure-element chip or coins beyond Bitcoin.
Who should buy Blockstream Jade
Jade suits a Bitcoin holder who values fully open source, wants camera-based air-gapped signing, and is happy with the blind-oracle model or will run it offline, all at a low price. It is the wrong pick if you need a certified physical secure element, coins beyond Bitcoin and Liquid, or dislike Bluetooth on a cold-storage device, in which case a Coldcard or Trezor is the better choice.
How to check it before you trust it
Never a marketplace reseller. Tampered devices are the main real-world risk.
Run the maker's authenticity check on first connection. Do not skip it.
A genuine device shows a fresh, un-initialised state. Never accept a pre-set phrase.
Send a little, wipe, restore from your phrase, and confirm it returns before going big.
Pricing
What each model costs, bought direct from Blockstream. Prices below are what Blockstream lists at the time of writing.
Cheap open-source Bitcoin cold storage
Bigger screen, microSD, secure boot
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8.8/10Tangem Wallet
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8.7/10Ridge Wallet
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Blockstream Jade FAQ
Does Blockstream Jade have a secure element?
No. Neither Jade nor Jade Plus has a physical certified secure element. Instead they use an open-source blind-oracle model: the encrypted seed sits on the device and the decryption key is split with a blind server that never sees your PIN or keys, so a stolen locked device has nothing extractable. You can also run it fully offline.
What coins does Jade support?
Only Bitcoin and the Liquid Network, including Liquid-issued assets. It does not support Ethereum, Solana or other chains, which is the main reason multi-coin holders look elsewhere.
Is Blockstream Jade safe?
It is fully open source in firmware and hardware, has a clean fund-safety record, and its blind-oracle model protects a stolen locked device. The main reservation is the lack of a certified physical secure element, which Blockstream argues the open model makes up for.
How much does Blockstream Jade cost?
About $67 for the original Jade, on sale from $79, and from $149 for the Jade Plus. There are no software fees beyond standard Bitcoin network fees.
Was Jade affected by the 2025 ESP32 vulnerability?
Reports about a flaw in the ESP32 chip Jade uses caused headlines, but Blockstream showed Jade does not rely on that chip for seed entropy or as a trusted signer, and independent coverage deemed it unaffected.
Can I use Jade with Sparrow or Electrum?
Yes. Beyond the Blockstream app, Jade works with Sparrow, Electrum, Nunchuk and Specter, so you can pick your coordinator and are not locked into one wallet.
Does Jade support air-gapped signing?
Yes. It has a built-in camera to sign transactions by QR code without a cable, and the Jade Plus adds microSD, so you can operate it fully air-gapped.
Jade or Coldcard?
Jade is cheaper, fully open in hardware too, and has a camera air-gap, but lacks a physical secure element. Coldcard has dual secure elements and deeper power-user features at a higher price. Choose Jade for value and openness, Coldcard for maximum hardware security.
How do you set up and connect Blockstream Jade?
Setup is simple: power the device over USB, create or recover a wallet, and set a PIN. You can connect the companion app over USB or Bluetooth, or go air-gapped by camera. The color display shows transaction details, the battery lasts through a session, and recovery uses a standard phrase, keeping your private keys yours. It is friendly for both beginners and advanced, transparency-minded users.
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We bought it
This device was purchased at our own cost, not sent by the maker.
We used it for a week
Set up, funded and carried daily before a single mark was given.
No paid placement
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