Bitcoin Q&A: Key Storage Best Practices

What is a hierarchical deterministic (HD) wallet? How are paper wallets different from hardware wallets? Which of the Bitcoin wallets and / or clients (mobile, desktop, hardware) is best for storing coins? Are hardware wallets with Bluetooth secure? Regarding desktop wallets, what happens if your hard drive fails? Should you use different tools for storage of keys versus spending? Should you encrypt a text file for cold storage of keys?

Chapters
0:00 Why do paper wallets behave differently from hardware wallets?
6:37 Among the various Bitcoin clients and wallets, which is top-notch for storage and transacting?
9:06 What about the new Bluetooth enabled wallets?
10:27 Regarding desktop wallets and storing funds, what should you do if your hard drive fails?

These questions are from the fourth session of MOOC 11, which took place on February 22nd 2019. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop

RELATED:
Are hardware wallets secure enough? - https://youtu.be/3zNVDIz6Snw
How do I choose a wallet? - https://youtu.be/tN6b62sEpsY
Secure, tiered storage system - https://youtu.be/uYIVuZgN95M
Hardware wallets and attack surface - https://youtu.be/8mpDcBfNA7g
Setting up secure storage devices - https://youtu.be/wZ9LxLLvfXc
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How do mneomonic seeds work? - https://youtu.be/wWCIQFNf_8g
Using paper wallets - https://youtu.be/cKehFazo8Pw
Wallet design and mass adoption - https://youtu.be/WbZX6BDZJHc
Cryptographic primitives - https://youtu.be/RIckQ6RBt5E
Public keys vs. addresses - https://youtu.be/8es3qQWkEiU
Re-using addresses - https://youtu.be/4A3urPFkx8g
Passphrases and seed storage - https://youtu.be/jP7pEgBpaO0
Coin selection and privacy - https://youtu.be/3Ck683CQGAQ
Multi-signature and distributed storage - https://youtu.be/cAP2u6w_1-k
Nonces, mining, and quantum computing - https://youtu.be/d4xXJh677J0
Is quantum computing a threat? - https://youtu.be/wlzJyp3Qm7s
How to get people to care about security - https://youtu.be/Ji1lS9NMz1E
Wallets, nodes, and monetary sovereignty - https://youtu.be/8Hb3tUn8s4E

Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in Bitcoin. He is the author of “Mastering Bitcoin,” “The Internet of Money" series, and "Mastering Ethereum."

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