#EthereumSecurityInitiative Ethereum security is a multifaceted topic, encompassing various aspects including its protocols, smart contracts, and potential vulnerabilities.

*Main security concerns:*

- *Speculative technology:* Researchers at the Swiss Federal Institute of Technology in Zurich have discovered a new class of security vulnerabilities in Intel processors that could impact Ethereum's security. These vulnerabilities arise from speculative technology that predicts individual computational steps, allowing hackers to bypass security restrictions and access confidential information.