Unverified50% confidenceFactExact time
0xef0100 is a magic byte prefix reserved by EIP-3541, and ordinary contracts cannot deploy code beginning with it, so it can serve as a deterministic marker for judging whether an address has been delegated via EIP-7702.
1
Sources
50%
Confidence
Long-term
Relevance
10/15/2026
First Seen
Sources
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