Hacks & Security Confirmed First seen 2026-10-08 04:07 UTC

Vitalik Buterin advises multisig signers to rotate keys after each operation

Vitalik Buterin states that for multisigs the ideal safe rule is for each signer to change their key after each operation, and advises gathering signatures offchain to minimize the window between signature reveal and key deactivation.

Why “Confirmed”

Published by a primary source: Vitalik Buterin

1 independent source group across 1 post · evidence score 90/100. How labels work

What the sources claim

For multisigs, the ideal safe rule is that each signer should change their key after each operation.

“for multisigs the ideal "safe" rule is that you want each signer to change their key after each operation”
Vitalik Buterin
Signatures should be gathered offchain if possible to minimize the hours between signature reveal and key deactivation.

“You definitely still want to gather sigs offchain if possible, to minimize the number of hours between "sig revealed" and "key no longer active"”
Vitalik Buterin
It is very easy to lose funds from a misconfigured rushed upgrade, so one should not rush.

“it's very easy to lose funds from a misconfigured rushed upgrade, so ... don't rush anything”
Vitalik Buterin

Sources

Vitalik Buterin primary 2026-10-08 04:07 UTC
Correction: for multisigs the ideal "safe" rule is that you want each signer to change their key after each operation.

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Summary and claims extracted by deepseek/deepseek-flash with prompt analyze-story@3 on 2026-10-09 00:00 UTC. Labels are computed from the sources, not by the model.