CoolWallet Pro ($149): a credit-card-sized Bluetooth wallet with a CC EAL6+ secure element (vendor-stated), an e-paper screen and a confirm button, managed through the CoolWallet phone app. No USB data port and no desktop app.
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The CoolWallet Pro, launched in 2021 at $149, is a card-sized hardware wallet that pairs with the CoolWallet app on iPhone or Android over encrypted Bluetooth. Unlike screenless card wallets it has a small e-paper screen and a button to confirm transactions on the card. Keys sit in a secure element CoolWallet describes as CC EAL6+. It uses a standard BIP39 seed (12–24 words); there is no USB data port, no desktop app, and firmware updates arrive over Bluetooth, authorised by CoolBitX.
Avoid buying from unofficial marketplaces — counterfeit risk.
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CoolWallet Pro — Hardware Wallet manufacturer: CoolWallet (2021). Secure Element: EAL6+. Supported Networks: 35+ networks.
29 networks · 29 native · 0 third-party
Keys are stored in a secure element CoolWallet describes as CC EAL6+; a 2023 CoolBitX blog post says the chip is made by NXP, but no model or certificate number is published. The card has a small e-paper screen and one button, so you confirm each transaction on the device; the PIN and biometrics are checked in the phone app, and the card pairs only with authorised phones over AES-256 encrypted Bluetooth. Firmware updates arrive over Bluetooth through the app and are authorised by a CoolBitX server; there are no hashes or signatures you can verify yourself. No vulnerability specific to the Pro has been published; the 2020 findings by Kraken Security Labs and a December 2020 Bluetooth issue concerned the older CoolWallet S.
The Pro uses a standard BIP39 seed of 12, 18 or 24 words, so you can restore it in other BIP39 wallets. Choose the "By Card" option at setup: the secure element generates the seed and shows it on the e-paper screen as numeric groups that map to BIP39 words. The alternative, "Generate from App", creates and shows the words on your internet-connected phone before writing them to the card. Backup is handwritten only; CoolWallet states it offers no recovery service.
Everything runs through the CoolWallet app on iPhone or Android: you pair the card over Bluetooth (within about 10 m), approve in the app and press the card's button to confirm. There is no cable, but the card needs charging on its contact-pad dock. Reading a seed as numeric groups and the small e-paper screen take some getting used to. There is no desktop app. Our usability scores are editorial estimates anchored to the Tangem card and the SafePal X1.
CoolWallet states support for 35+ blockchains and over 12,000 tokens in its app, including Bitcoin, Ethereum, BNB Smart Chain, Solana, Cardano, XRP, Polkadot, Cosmos, Tron, TON, Kaspa, Aptos and Sui, and lets you add any EVM network. WalletConnect connects it to dapps, MetaMask can be used via QR sync, and it can sign in a Safe multisig on EVM chains. For Bitcoin, the help center lists nested SegWit and Taproot addresses but not native SegWit (bc1q), and there is no Bitcoin multisig.
The card talks only to your paired phone. The app does the network work: Apple's privacy label lists analytics and diagnostics data, while the Google Play listing states no data collected. The app is closed source, and no Tor or coin-control support is documented.
On CoolWallet's store the Pro costs $149 in every edition (list price on 30 October 2026; a site-wide sale was running). You pay for the combination of a wallet-sized card and an on-device screen and button — screenless cards cost less, and conventional devices with larger screens and USB cost about the same.
The CoolWallet Pro sits between a screenless card like Tangem and a conventional device: it keeps the card format and phone-only workflow but adds an e-paper screen and a button, so you confirm transactions on the card itself. It covers 35+ blockchains in its own app, supports WalletConnect and can sign in a Safe multisig on EVM chains.
The caveats are about verifiability and choice of platform. The EAL6+ claim has no published certificate; the secure-element firmware source is published under a non-commercial licence but cannot be built or flashed by users, and the Bluetooth chip's firmware and the app are closed. Updates are authorised by a CoolBitX server, with no hashes you can check. If you set up the seed with the "Generate from App" option, it exists on your phone during setup — choose "By Card" instead. At $149 it suits mobile-first, multi-chain users who want an on-device confirmation in a wallet-sized card; there is no Bitcoin multisig and no desktop use.
The CoolWallet Pro sits between a screenless card like Tangem and a conventional device: it keeps the card format and phone-only workflow but adds an e-paper screen and a button, so you confirm transactions on the card itself. It covers 35+ blockchains in its own app, supports WalletConnect and can sign in a Safe multisig on EVM chains.
The caveats are about verifiability and choice of platform. The EAL6+ claim has no published certificate; the secure-element firmware source is published under a non-commercial licence but cannot be built or flashed by users, and the Bluetooth chip's firmware and the app are closed. Updates are authorised by a CoolBitX server, with no hashes you can check. If you set up the seed with the "Generate from App" option, it exists on your phone during setup — choose "By Card" instead. At $149 it suits mobile-first, multi-chain users who want an on-device confirmation in a wallet-sized card; there is no Bitcoin multisig and no desktop use.
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Impermanent loss happens when asset prices in a liquidity pool diverge from external markets, reducing the value of liquidity providers' holdings compared to simply holding the assets.
A secure element is a tamper-resistant chip built to store secrets and resist physical attacks such as side-channel analysis and fault injection.
Read full definitionEAL Certification (Evaluation Assurance Level) from Common Criteria rates the security of hardware components, like secure chips in crypto hardware wallets. Higher levels, such as EAL5+ or EAL6+, indicate stronger resistance to attacks.
Read full definitionPIN Protection is a security feature that requires a personal identification number (PIN) to access a cryptocurrency wallet or device, preventing unauthorized access.
Read full definitionBiometric authentication unlocks a wallet with a fingerprint or face instead of, or alongside, a PIN.
Read full definitionBluetooth Connectivity enables wireless communication between devices, like hardware wallets and smartphones, using Bluetooth or Bluetooth Low Energy (BLE) for secure data transfer.
Read full definitionFirmware Update installs new low-level software on a hardware wallet to fix bugs, enhance security, or add features in cryptocurrency devices.
Read full definitionBIP39 is a standard for generating mnemonic seed phrases that are used to create deterministic wallets and securely back up cryptocurrency private keys.
Read full definitionA backup in cryptocurrency is a secure copy of a wallet's seed phrase or private keys. It enables recovery of funds if the original wallet is lost or damaged.
Read full definitionRecovery is the process of restoring access to a cryptocurrency wallet using its seed phrase or mnemonic backup if the original wallet is lost or inaccessible.
Read full definitionTangem is a hardware wallet in the form of a physical card that stores cryptocurrency private keys securely and offline, allowing for easy and portable access to digital assets.
A blockchain is a shared, append-only record of transactions kept by many independent computers, so no single party can rewrite it.
Read full definitionA token is a digital asset on a blockchain that represents value, ownership, utility, or access rights. Examples include ERC-20 tokens on Ethereum.
Read full definitionBitcoin (BTC) is the first decentralized cryptocurrency, launched in 2009. It uses blockchain technology for secure, peer-to-peer digital transactions without intermediaries.
Read full definitionEthereum is a decentralized blockchain platform that enables smart contracts and decentralized applications (dApps). Its native cryptocurrency is Ether (ETH).
Read full definitionSolana is a high-performance layer-1 blockchain platform that enables fast, low-cost transactions using Proof of History and Proof of Stake. Its native token is SOL.
Read full definitionCardano is a proof-of-stake blockchain platform that prioritizes research-driven development, scalability, and sustainability. Its native cryptocurrency is ADA.
Read full definitionThe XRP Ledger is a decentralized, open-source blockchain designed for fast, low-cost global payments using the XRP cryptocurrency.
Read full definitionPolkadot is a multi-chain blockchain protocol that connects independent blockchains (parachains) to a central relay chain for interoperability and shared security. Its native token is DOT.
Read full definitionCosmos is a blockchain ecosystem enabling interoperable chains via the Cosmos SDK and IBC protocol. The Cosmos Hub serves as its central chain with the ATOM token.
Read full definitionTRON is a blockchain platform and cryptocurrency (TRX) designed for high-throughput decentralized applications, especially in content sharing and entertainment.
Read full definitionThe EVM (Ethereum Virtual Machine) runs smart contracts on Ethereum and on compatible chains, which share its address format and tooling.
Read full definitionWalletConnect is a protocol that enables secure communication between decentralized applications (dApps) and mobile wallets through QR code scanning or deep linking.
Read full definitionMultisig (multi-signature) is a security feature that requires multiple private keys to authorize a transaction, enhancing protection against unauthorized access in blockchain networks.
Read full definitionSegWit (Segregated Witness) is a Bitcoin upgrade that moves transaction signatures to a separate data structure, increasing block capacity and enabling efficient scaling solutions like the Lightning Network.
Read full definitionTaproot (BIP 341) is a Bitcoin upgrade that introduces Schnorr signatures and Tapscript, enhancing privacy by making complex scripts look like simple payments and improving efficiency.
Read full definitionFirmware is the software that runs on a hardware wallet itself: it generates keys, shows transaction details on the screen and signs.
Read full definitionData in this review can be verified from these sources.
Risk Score: 84/100
Closed-source firmware
Closed-source firmware - cannot be independently verifiedLearn more →
Bluetooth connectivity risks
Bluetooth increases wireless attack surfaceLearn more →
Telemetry data collection
Telemetry is present in companion softwareLearn more →
Based on specifications, price, and ratings
| Feature | CoolWallet Pro | Ellipal Titan 2 | Ledger Nano Gen5 | OneKey Classic 1S Pure |
|---|---|---|---|---|
| Price | $149 | $169 | $179 | $79 |
| Open Source | ||||
| Bluetooth | ||||
| Battery | ||||
| Air-Gapped | ||||
| Security Rating | 55/100 | 55/100 | 75/100 | 98/100 |
| Usability Rating | 59/100 | 78/100 | 71/100 | 56/100 |
Yes, a small monochrome e-paper screen and one button. You confirm transactions on the card; PIN and biometrics are handled in the phone app.
No. It connects only over Bluetooth to the CoolWallet app on iPhone or Android; there is no USB data port and no desktop app.
Partly. CoolBitX publishes the secure-element firmware source on GitHub under a non-commercial licence, but users cannot build or flash it, and the Bluetooth-chip firmware and the app are closed. The developer SDK is open source (Apache-2.0).
Yes, a standard BIP39 seed of 12, 18 or 24 words. Generate it "By Card" so it is created in the secure element and shown on the card's screen rather than on your phone.
Both are card-sized and phone-only. The CoolWallet Pro adds an e-paper screen, a button and a battery and connects over Bluetooth; Tangem has no screen, needs no charging, connects over NFC and uses backup cards by default. See CoolWallet vs Tangem.
CoolWallet states 35+ blockchains and over 12,000 tokens, plus any EVM network you add manually.
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Our rating methodology is evolving. Ratings and assessments will be refined as we improve our scoring framework to reflect the most accurate results.
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