[How nearly all personal hardware wallet multisig setups are insecure](https://shiftcrypto.ch/blog/how-nearly-all-personal-hardware-wallet-multisig-setups-are-insecure/)
Ledger and other major wallet manufactures do not provide a way to verify your xPUB on demand. Therefore, you may have a 2-3 multisig wallet on electrum connected by 3 hardware wallets, but since xPUB cannot be verified, a compromised computer can replace your xPUB leaving you either locked out of your coins (the attacker has the other xPUB) or coins being sent to the attacker’s wallet (they replaced your non-verified xPUB with theirs)
What do you guys think? They claim that single wallets are more secured than multisig, I’ve always wondered why the richest bitcoin wallets do not use multisig, except Bitfinex.
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