In these five years, the Ethereum Foundation is entering a period of mild austerity, in order to be able to simultaneously meet two goals: 1. Deliver on an aggressive roadmap that ensures Ethereum's status as a performant and scalable world computer that does not compromise on robustness, sustainability and decentralization. 2. Ensures the Ethereum Foundation's own ability to sustain into the long term, and protect Ethereum's core mission and goals, including both the core blockchain layer as well as users' ability to access and use the chain with self-sovereignty, security and privacy. To this end, my own share of the austerity is that I am personally taking on responsibilities that might in another time have been "special projects" of the EF. Specifically, we are seeking the existence of an open-source, secure and verifiable full stack of software and hardware that can protect both our personal lives and our public environments ( see https://t.co/GzgBS9sh87 ). This includes applic