An upgrade delay of 7 or 30 days is a safety vs liveness trade off that favors safety by forcing a liveness delay - this sounds reasonable But what if there is an urgent need to upgrade quickly? Say a zero day attack or a bug that may enable an attacker to drain funds in a few days? Recall the DAO fork (upgrade) had some urgency. Perhaps a higher level committee (or social consensus?) should allow faster upgrades. One way is via an on chain governance mechanism driven by eth validators or other (more specific) stake holders…
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