According to Foresight News, Base has announced the launch of fault proof on its testnet, allowing anyone to propose or challenge L2 state proposals without permission. Base stated that fault proof is a foundational step towards decentralization. Another significant step towards the first phase of decentralization is adding the Security Council to its contract upgrade key. Once this step is completed, Base will only be able to upgrade contracts based on actions taken by the Optimism Security Council, which only acts on approvals from Optimism Governance.