ESP32 Chip Vulnerability Raises Security Concerns For Bitcoin Wallets

Blockstream’s Jade Wallet Unaffected by ESP32 Vulnerability

A recent alert regarding a reported vulnerability (CVE-2025-27840) in the ESP32 chip used in many electronic devices, including some Bitcoin wallets, triggered concerns across the community. Initial posts, including one from Protos (a site known for spreading misinformation about Bitcoin and Tether), suggested that Blockstream’s Jade hardware wallet was at risk, prompting widespread discussion about potential threats to users' private keys.Howev…

ESP32 Chip Vulnerability Raises Security Concerns For Bitcoin Wallets

Low-cost, commonly used components in IoT devices and even DIY hardware wallets, the ESP32 microcontroller chip has a serious vulnerability found by security experts. The weakness in the chip’s secure boot and flash encryption mechanisms could let attackers get sensitive data, including Bitcoin wallet private keys, bypassing important security protections. Designed by Espressif Systems, the ESP32 chip is preferred by developers for its flexibili…

A flaw in ESP32 chips allows private keys to be stolen via Bluetooth or predicted due to flaws in key generation randomness. Read more

Blockstream’s Jade wallet and the silent threat inside ESP32 chip

The ESP32 chip, a low-cost microcontroller manufactured in China, has now been exposed as a critical threat vector in BTC hardware wallets. The post Blockstream’s Jade wallet and the silent threat inside ESP32 chip appeared first on CoinGeek.