Supported Networks and Hardware Wallets
The following devices have been tested with SecondFi. Compatibility may vary depending on firmware version and device condition.
iOS users: Due to Apple platform restrictions, USB hardware wallet connection is not available on iPhone. Only Ledger devices with Bluetooth support can be used on iOS.
Compatible Devices
Device | Bluetooth | USB | Notes |
|---|---|---|---|
Ledger Nano X | Yes | Desktop / Web / Android | Bluetooth is the primary connection method on iOS. USB works on desktop and Android (via OTG). |
Ledger Nano S Plus | No | Desktop / Web / Android | No Bluetooth — connect via USB on desktop or Android. Not available on iOS. |
Ledger Gen 5 | Yes | Desktop / Web / Android | Bluetooth is the primary connection method on iOS. USB works on desktop and Android (via OTG). |
Ledger Stax | Yes | Desktop / Web / Android | Bluetooth is the primary connection method on iOS. USB works on desktop and Android (via OTG). |
Ledger Flex | Yes | Desktop / Web / Android | Bluetooth is the primary connection method on iOS. USB works on desktop and Android (via OTG). |
Ledger Nano S | No | Desktop / Web / Android | Limited support — no longer manufactured. Not available on iOS. |
Trezor Model T | No | Desktop / Web / Android | Not available on iOS — see the iOS note above. |
Trezor Model One | No | Desktop / Web / Android | Not available on iOS — see the iOS note above. |
Trezor Safe 3 | No | Desktop / Web / Android | No Bluetooth — connect via USB on desktop or Android. Not available on iOS. |
Trezor Safe 5 | No | Desktop / Web / Android | No Bluetooth — connect via USB on desktop or Android. Not available on iOS. |
Trezor Safe 7 | USB only for now | Desktop / Web / Android | Bluetooth support is coming soon. Not available on iOS. |
Connection by Platform
Platform | What Works |
|---|---|
iOS | Ledger devices with Bluetooth only (Nano X, Gen 5, Stax, Flex). USB hardware wallet connection is not available on iOS. |
Android | Ledger via Bluetooth (where supported), Ledger via USB (OTG), Trezor via USB (OTG). |
Desktop / Web | Ledger via USB, Trezor via USB. |
Note: If Bluetooth is unavailable, a USB fallback is available on both desktop and Android. There is no USB fallback on iOS.
Supported Chains
SecondFi currently supports the following networks:
- Cardano
- Bitcoin
- Ethereum
- BNB Smart Chain
- Solana
- Base
- Avalanche
- Tron
Note: Not all chains may be accessible when using a hardware wallet.
Before You Connect
- Make sure your hardware wallet device is powered on and unlocked before starting the pairing process in SecondFi.
- For Ledger devices, you will be prompted to open the relevant blockchain apps on your device during setup. Open the Cardano ADA app first, then proceed with other network apps (Base, Bitcoin, Ethereum, Solana) as shown in the app.
- For Trezor devices, no separate apps are needed — all supported networks are accessible from a single interface.
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Updated on: 19/06/2026
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