Abstract: A device-verification system is configured to verify the authenticity of an electronic device using a digital signature of the electronic device verified by a certificate authority. In some examples, the electronic device includes a NFC tag storing device hardware information, device public and private keys, and a device digital signature ciphertext. A user may utilize a personal device to read the information from the NFC tag and the personal device may include a software application configured to communicate the information to a cloud-based certificate authority. The certificate authority may include a distributed system (e.g., a blockchain ledger) utilized to verify, store, and subsequently retrieve data corresponding to the electronic device. The certificate authority is configured to utilize the device digital signature to verify the authenticity of the device.

Abstract: A handheld videogame controller is configured to receive and securely hold a handheld videogame console (e.g., a Nintendo Switch console). The handheld videogame controller is configured to electronically connect directly to the videogame console (e.g., via a USB-C port of the console) to reduce latency and other connectivity issues. The handheld videogame controller includes a locking mechanism configured to securely hold the console within a docking bay of the controller, such that the console remains directly electronically connected to the controller during use. This facilitates a user moving the controller and the console as a single unit, without the console falling out of the controller unexpectedly. In some examples, the controller includes a thumbstick assembly including a thumbstick top removably coupled to a thumbstick base by a self-holding tapered connection (e.g., a Morse taper) to facilitate precise alignment and transmission of torque from the thumbstick top to the thumbstick base.

Abstract: A device-verification system is configured to verify the authenticity of an electronic device using a digital signature of the electronic device verified by a certificate authority. In some examples, the electronic device includes a NFC tag storing device hardware information, device public and private keys, and a device digital signature ciphertext. A user may utilize a personal device to read the information from the NFC tag and the personal device may include a software application configured to communicate the information to a cloud-based certificate authority. The certificate authority may include a distributed system (e.g., a blockchain ledger) utilized to verify, store, and subsequently retrieve data corresponding to the electronic device. The certificate authority is configured to utilize the device digital signature to verify the authenticity of the device.