Bitcoin-only, security, features. Everything you need to know about using BTC with the ERA Hardware Wallet.
Are you looking for a secure way to manage your Bitcoins? The ERA Wallet offers an innovative solution as a fully air-gapped hardware wallet, specifically designed for maximum security. Especially the Bitcoin-Only Mode makes it an attractive option for Bitcoin enthusiasts who want to avoid distractions from other cryptocurrencies. In this article, you’ll learn everything about this mode, the wallet’s features and functions, as well as its comprehensive support for Bitcoin and the Bitcoin network.
What is the ERA Wallet?
The ERA Wallet is a next-generation hardware wallet that is completely air-gapped. This means it has no Bluetooth, USB, or other connections, protecting it from hacking attacks. Instead of physical cables or wireless transmissions, it uses QR codes for transactions — similar to other highly secure wallets. You can manage up to 10 independent wallets on a single device, each with its own seed phrase and BIP-39 passphrase support. This multi-wallet function allows you to handle different portfolios separately without compromising security.
The ERA Wallet avoids blind signing — you always see exactly what you are signing. No paper backups or insecure methods: everything is designed for the highest level of security. The accompanying ERA Companion App lets you adjust settings and perform firmware updates without the device itself ever going online.

Pure security with the ERA Bitcoin Hardware Wallet
Bitcoin-Only Mode: Focus on What Matters
With firmware version 1.3.202, the ERA Wallet introduced Bitcoin-Only Mode. This mode is ideal if you want to focus exclusively on Bitcoin. There are no tokens, no altchains, and no unnecessary distractions — just pure Bitcoin on air-gapped hardware. You simply activate it in the Companion App settings and install the corresponding firmware on your device.
Why should you choose this mode? It significantly reduces the attack surface because only Bitcoin-specific functions are enabled. The interface is cleaner and more focused, making operation much simpler. It also perfectly aligns with Bitcoin philosophy: long-term holding without risks from other networks. If your needs change, you can switch between Bitcoin-Only and Multichain mode at any time — flexible and user-friendly.

Bitcoin-only with the ERA Wallet
Features and Functions of the ERA Wallet
The ERA Wallet impresses with a range of features that prioritize security and ease of use:
- Air-Gapped Design: Complete isolation from the internet protects against remote attacks. Transactions are signed and transferred via QR codes — a secure, contactless method.
- Multi-Wallet Support: Up to 10 separate portfolios on one device. Each wallet has its own seed phrase, allowing you to keep personal and business assets strictly separated.
- Passphrase Support (BIP-39): Increases security by adding an extra passphrase to your seed.
- Clear Signing: You always see exactly what you are signing — no hidden details or risks.
- Firmware Updates: You can install updates (such as Bitcoin-Only Mode) via the Companion App without compromising the air-gap security.
- Seedless Backup Options: Innovative backup methods without traditional paper backups, inspired by wallets like Keystone.
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These features make the ERA Wallet a versatile tool that adapts to your needs, whether in Bitcoin-Only Mode or full multichain operation.
Bitcoin and Bitcoin Network Support
The ERA Wallet offers comprehensive support for Bitcoin that goes far beyond simple storage. In Bitcoin-Only Mode, everything is optimized for the Bitcoin network:
- Secure Storage and Transactions: You can receive, send, and hold Bitcoins with full compatibility to Bitcoin standards such as PSBT (Partially Signed Bitcoin Transactions). The air-gapped design ensures that your private keys are never exposed.
- Network Integration: The wallet supports the Bitcoin Mainnet and enables interactions with the network via QR codes. You can coordinate transactions with external wallets or exchanges without the device ever going online.
- Security Focus: By limiting the wallet to Bitcoin, the Only Mode minimizes potential vulnerabilities that could arise from multi-chain support. This aligns perfectly with the decentralized and secure nature of the Bitcoin network.
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In addition, the ERA Wallet promotes the Bitcoin philosophy of self-custody: You retain full control over your assets without involving third parties. Whether you are long-term HODLing or making transactions — the ERA Wallet supports you reliably.

With ERA Lens, you always see everything you sign and approve
Conclusion
With the ERA Wallet, especially in Bitcoin-Only Mode, you can manage your Bitcoins securely and efficiently. The combination of air-gapped security, flexible features, and targeted Bitcoin support makes it a strong choice for anyone who values the Bitcoin network. If you prioritize minimalism and protection, try the Bitcoin-Only Mode — it significantly simplifies your crypto life.
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The ERA Wallet is an excellent all-round package of security, attractive design, and great user experience — not just for Bitcoin.
If you want to buy an ERA hardware wallet, you should do so only from the official ERA Shop for security reasons (and to ensure the device is untampered with).
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More on Bitcoin Hardware Wallets
- The best Bitcoin wallets 2026
- OneKey Bitcoin-only Wallet – how it works
- Managing Bitcoin with the BC Vault Wallet
- Why is the BitBox Wallet so popular among Bitcoiners?
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