Concerns Rise Over Multisig xpub Similarities | Are Coldcard Wallets Trustworthy?
Edited By
Fatima Elmansour
A discussion on multisig setups with Coldcard wallets has left some people uneasy, as similarities in xpubs have raised eyebrows. A user discovered that the first 10-13 digits of their multisig xpubs are identical across three wallets, prompting questions about wallet security and randomness.
What Sparked the Debate?
It started when a user helped a friend set up a 2 of 3 multisig configuration with three Coldcards. They noted that while exploring the xpubs, the repetition in the initial digits was puzzling.
“That doesn’t seem right,” one commenter remarked. The user expressed concern, stating, "I thought xpubs are completely random."
How It Works and User Reactions
Coldcard wallets, produced by Coinkite, generate seed phrases using a combination of internal methods and dice rolls. These seed phrases drive the blockchain keys, like xpubs, which represent multiple receiving addresses.
Common Protocol: Some users suggested that the matching characters might be a protocol signature.
Confusion About Length: xpubs typically exceed 100 characters, leaving some uncertain about whether early repetitions are normal or indicative of a flaw.
Trust Concerns: One comment pointed out, “Would not be comfortable,” questioning the integrity of the devices.
"Are the first 10-13 characters supposed to match for each xpub in a multisig setup?" questioned another participant.
Sentiment Patterns Emerging
The reaction to this issue has been mixed:
Confused/Vigilant: Many commenters showed concern, expressing doubts about the legitimacy of their setups.
Inquisitive: A few sought clarity on whether this repetition is a standard or a possible error in their configurations.
Neutral Queries: Users were hopeful for insights or guidance from those with more experience or knowledge.
Key Takeaways
📊 The first 10-13 digits of xpubs matching may reflect a standard protocol rather than a security issue.
❓ Users remain confused about the implications of similar xpub beginnings in multisig wallets.
🛡️ Trust in wallet security is a significant concern, prompting calls for verifying device cleanliness.
As the conversation evolves, one can't help but wonder: Could this incident spark a broader reevaluation of how people perceive multisig wallet security?