Vitalik Buterin: Hardware Wallet Security Cannot Rely Solely on Trust; Chips Also Need Verifiability On November 3, 2026, Ethereum co-founder Vitalik Buterin (@VitalikButerin) stated at the opening ceremony of Devcon 8 in Mumbai that security cannot rely solely on trust; open source and verifiability are also necessary. Users should be able to confirm that the device is not monitoring them and that the hardware wallet has not been compromised by an embedded SIM card that could leak their private keys. Therefore, more open and verifiable chips are needed. He emphasized that proving one's trustworthiness should not come at the cost of disclosing all information, and zero-knowledge proofs help balance privacy and security. Source: Devcon 8