S4 E10: Rodolfo Novak (nvk) on the Coldcard Wallet

Bitcoin Takeover Podcast
Bitcoin Takeover Podcast
Episode • Feb 27, 2020 • 1h 6m
Coinkite CEO Rodolfo Novak talks about the unique design of the Coldcard wallet and the device's uncompromising approach to security.

5:25 – Why use a hardware wallet?

6:33 – A lot of people have lost their bitcoins in the early days

7:45 – Building your own Coldcard

9:08 – Why is the Coldcard special?

12:10 – What is great about the Trezor?

12:25 – The problem with Trezor

12:43 – Why is the Ledger interesting?

13:00 – What keeps the Ledger from being great?

13:08 – The pros and cons of the KeepKey

13:30 – What is nice about the Cobo?

14:45 – On Slush’s criticism of physical security

16:14 – Whe massive spectrum of secure elements

21:15 – Can airport security hack your hardware wallet?

24:05 – Ledger article “Not All Chips Are Born Equal” and the definition of security element chips

27:10 – Is going Bitcoin-only more secure and profitable?

30:13 – Why altcoiners don’t care much about security

32:17 – Different types of bitcoiners have different kinds of security expectations

34:45 – Can hardware wallet manufacturers keep track of the devices they sell to dox you or steal your coins?

37:16 – User interface wallets that potentially track you

39:30 – Is a KeepKey that you run via Electrum as secure as a Trezor?

40:10 – Is PSBT really safe?

45:03 – Can you check your balance on a Coldcard?

46:50 – Coldcard’s opsec

49:00 – Does Coinkite store any data about customers to link the serial number with the invoice?

50:28 – Coinkite’s merchant processor is proprietary

51:17 – Rolling the dice for more randomness during seed phrase generation

53:11 – What is CK Bunker?

55:05 – Shamir Backup on Coldcard?

56:12 – What is next for the Coldcard?

58:42 – Is it safe to never upgrade your Coldcard and keep it as cold storage?

1:00:56 – Secure elements designed for Bitcoin

1:01:30 – Is the Coldcard comparable with a dedicated general-purpose computer?

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