Learn how to use Bitcoin Multi-sig!
summary
Hands-on workshop shows a concrete 3-of-5 multisig setup using Casa iOS and Android on testnet plus hardware wallets, walks through obtaining five xpubs, building a native segwit wsh sortedmulti wallet descriptor, importing a watch-only wallet, and creating and funding PSBTs. Demonstrates signing strategies (round‑robin vs coordinator), RPC calls to create_funded_psbt decode combine finalize, rotating a lost key by creating a new multisig and sweeping funds, and using a held recovery key for sovereign recovery.
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chapters (8)
- 0:00Bitcoin multisig intro
- 1:11Why use multisig wallets
- 5:47Under the hood of multisig wallets
- 8:56Setting up a multisig wallet with RPC
- 12:04Receiving funds and PSBT
- 15:15Signing and broadcasting
- 16:18Key rotation and recovery
- 16:40Casa multisig features
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