Maximum Wallet Security Part 2: Improving Casa Multi-Sig (Watch Only , Sovereign Recovery, Coldcard)
Crypto Guide
This video runs through how to create both a watch-only wallet in Electrum (Allowing for address verification), how to fully recreate a working wallet in Sparrow and how to fully register the multi-sig wallet on a Coldcard (Full hardware address verification). This basically uses the documentation from Casa for Sovereign Recovery and also looks and some small bugs and issues that you might strike trying to do this. (Particularly with a Coldcard) Overall, re-creating your wallets like this can not only give you maximum security, but also help you understand how all the tools work so that you are better equipped to secure your wallet and possibly move to a DIY multi signature setup.
Links (Affiliate links) Sign up to Casa (And receive up to $250 discount): https://keys.casa/?ref=6c74b94f Buy a Coldcard: http://bit.ly/2Qbsf08 Buy a Ledger: http://bit.ly/355lOQl Buy a Trezor: http://bit.ly/37mYr6x Buy a Keystone: https://bit.ly/3gGyB4H Electrum Wallet: https://electrum.org/#home Sparrow Wallet: https://sparrowwallet.com/ Ian Coleman's BIP39 Tool: https://iancoleman.io/
00:00 - Intro: Why re-Create Wallets? 01:25 - Watch Only Wallet in Electrum 02:44 - Re-Creating Working Wallet in Sparow 03:24 - start of dodgy multisig video 03:38 - TODO: If you just want watch-only... Xpubs... 04:46 - Re-Creating a Working Wallet in Sparrow 06:34 - Finding Extended Public Keys for Coldcard and Keystone (Using Ian Coleman's BIP39 Tool) 10:08 - Sending Transactions from Recovered Wallet 13:41 - Retrieving Fingerprints (And Xpubs) from Unsigned PSBT File 16:00 - Saving Multisig Wallet to Keystone/ColdCard 17:58 - Coldcard: Potential Issues from Importing Wallet 19:41 - Summary and Conculsion 22:30 - Closing Thoughts ... https://www.youtube.com/watch?v=LmmkAD5UsmY
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