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BRC20Factory constructor is missing a duplicate check

Low/InfoOrange Bridge audit·Three Sigma·Cross-chain bridge·15th July, 20243S-OB-L06

Description

BRC20Factory constructor does not check for duplicate signers, which would lead to problems as the index would be overriden.

Recommendation

Check for duplicate signers using the recommendation from #4.

Status

Addressed in #ea46e07.

Source

Disclosed by 0xSimao · Sherlock's 2025 Watson of the Year · 21 first places in 57 audit contests