To help the community assess whether a system is genuinely decentralized, Buterin introduced three practical tests. First, the walk-away test, where the question of the possibility of users retaining access to their assets if a project’s developers vanish, its servers go offline, has to be answered.Next, the insider attack test: How much damage could a corrupt insider cause? Lastly, the trusted computing base test: How much code must be trusted for security to hold?
