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Contract control history

GnosisSafeL2 on Arbitrum One — who can change it, and what changed

Upgradeable by a single keySafe 1 of 2: one signature is enough

This Safe safe at 0xc8a9…⁠4ce9 on Arbitrum One is upgradeable, is controlled by a 1-of-2 Safe. Gliese has recorded 2 control changes. Last checked 2026-09-12 19:38:14 UTC.

SafeSafeUpgradeableSafe 1/2Arbitrum One

Current control surface

snapshot 2026-09-10 23:04:19 UTC
Implementation
EIP-1967 logic contract; an upgrade changes this
Proxy admin
who can upgrade
Owner
owner()
Safe threshold
1 of 2
signatures required to act

Recorded events

Open in the feed →
EventRealSetup
Added ownersafe.added_owner20
Total20

Recent changes

Setup-time events hidden
  1. Signer 0x2208…⁠09fb added to the Safe
    safe.added_owner · tx 0x55384206…⁠249ac2 · block 504,499,407
    · 2026-09-12 19:50:04 UTC
  2. Signer 0x1f2d…⁠b48f added to the Safe
    safe.added_owner · tx 0x9af9c1e9…⁠bb9f67 · block 503,859,029
    · 2026-09-10 23:03:13 UTC
Full history since deployment →
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Criticalpower movedHighsafeguards changedInfoannounced, not yet effective

Data derived from on-chain state and events only. Gliese does not custody funds and does not interpret intent — severity is assigned by how much power a change moves.

GnosisSafeL2 (Arbitrum) — upgrade & admin history | Gliese