Safepal S1 Review 2024: Will Your Crypto Be Safe?

Every SafePal S1 hardware wallet must undergo an authentication process before use. This process aims to ensure that the S1 device has not been used before or tampered with. 

The authentication is done by generating a 6-digit code, which will be used to verify the device through a carefully designed algorithm. 

The result of the authentication will show whether the device is genuine or not. If the device fails the authentication process, you shouldn’t use it. 

The SafePal S1 hardware wallet has a built-in independent secure element that ensures the safety of users’ private keys. 

It is also embedded with multiple sensors which are designed to detect non-intrusive attacks, semi-intrusive attacks, and intrusive attacks. 

If the sensors detect any of these attacks, the Secure Element will self-destruct which will result in the wiping of all security data from the device. 

Also, if the secure element wipes the data in the device, you will still be able to recover them with the right mnemonic phrase. 

The following are sensors on the SafePal S1 hardware wallet device: 

• Pulse Sensor: This sensor detects abnormal pulse sensors caused by physical attacks on the device. The sensor sends warnings to the element processor once an attack is detected. 

• Light Sensor: The light sensor detects light conditions when the chip is open. Once the sensor detects that the chip has been exposed to light, the secure element will automatically erase all RAM data and enter protection mode. The protection mode places the chip in reset status and prevents any core program from being operated on the chip. 

• High and low-frequency detection module: This detects and confronts frequency and electromagnetic attacks. 

• Filter: The filter shields the device and filters out abnormal frequency. 

• Temperature Sensor: This sensor detects abnormal temperatures caused by electronic attacks. 

• High and Low Voltage Detection Module: This detects and confronts fault injection attacks like extreme temperature attacks and voltage attacks. 

• Metallic Shield: The metallic shield detects the electromagnetic attack when a hacker attempts to open up or probe the chip. 

The S1 device uses a dual-chip architecture to separate general business logic from sensitive security logic inside the device. 

To further boost the security of user assets, the SafePal S1 hardware wallet uses an air-gapped signing mechanism for better security. 

This means that during transfers, all of the wallet’s communications with the mobile app are done via encrypted QR codes. 

The wallet is also 100% offline, it does not need USB, radio frequencies, antenna, and Bluetooth. 

The SafePal S1 hardware wallet implements several security schemes including an unreadable verification area, RAM verification, RAM encryption scrambler, and data verification.