Bitcoin Q&A: Key Storage Best Practices

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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: / aantonop
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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."
Follow on Twitter: @aantonop / aantonop
Website: antonopoulos.com/
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Комментарии : 101

@minecoinseveryday7407 5 лет назад

this video should come out every year as new people come into this space

@jackgladmen3723 5 лет назад

Thanks for these helpful informations!! you don't trust softwares running on desktop or mobile but why do you trust hardware devices? in reality we trust humans who made these software and devices why do you think we should trust hardware devices?

@minecoinseveryday7407 5 лет назад

@@jackgladmen3723 its about risk management. unless youre a superstar coder at some point you will need to trust something someone else created

@muaawiyahtucker 5 лет назад

I love this guy. LITERALLY...what would we do in this space without him or someone like him?

@CryptoReds 3 года назад

Andreas is the best teacher out there. Period.

@dYanamatic 2 года назад

AGREE!! Isn't he just the best.

@teo1092 5 лет назад

I already read Mastering Bitcoin and now viewing your Q&A. Thanks for sharing your knowledge Andreas. Greetings from Switzerland

@Fa1rplayy 5 месяцев назад

U r a blessing to humanity, Andreas 👏

@avs6676 5 лет назад

Thanks for another SUPERB video. Another to keep in my back pocket to whip out to help explain this to others as it comes up 👍👍👍

@jonathanhirshfield3332 5 лет назад

You are the best, andreas

@alaaabbassi71 5 лет назад

Crucial information for anyone hodling/using crypto

@InvestBetter. 5 лет назад

Thank you, Andreas, for your wisdom

@BitcoinJake09 5 лет назад

Oh wow. Great explanation! I ❤ paper wallets and when I make and use my own I only use them one time for withdraw...

@dajosova Месяц назад

Still one of the most precious advice!

@entropyfu 5 лет назад

Thanks for your efforts.

@Gr33nHatt3R 5 лет назад

We love you Andreas!! ❤️

@rodrigoserafim8834 5 лет назад

Tried to create paper wallet. Instructions unclear, stuck in dishwasher.

@METAL_SOLAR 3 года назад

EXTREMELY useful overview, SIR ... thank you!

@dashad 5 лет назад

wow such an useful video. Im reading alot on crypto for more than 2 years, however the fact that remain balance gets transfered to another address was complete new to me. Thanks!

@bejinxed1 5 лет назад

Great advice, thank you.

@rich22221 5 лет назад

Didn't know that about paper wallets, but now i will know it forever.

@cypherpunk1554 5 лет назад

Excellent! professional experienced advice. Study and dissect what he says. He's detailing how to securely hold the keys to the kingdom..👍😀

@gbuwally6326 5 лет назад

Great topic!

@davearthur8656 2 года назад

Thanks mate. Great content. 😆😎👍👌

@coinconfidant6241 4 года назад

Good caveats on using paper wallets

@amjadhussain7169 2 года назад

Thank you sir for this valuable info.

@Heliosand_officiel 5 лет назад

Could you please give us the code of the pithon script to do an emoji tweet transaction please ? Fantastic talk like always !!! Thanks for all the work !!

@banzobeans 5 лет назад

3:58 wow. Good to know.

@gianluca.g 5 лет назад

All good advices except (IMHO) at 6:33: "destroy the paper wallet". Never destroy a private key, even if it's assumed to be empty (it may not be empty now, it may not be empty in the future).

@ChristianPecksteiner 5 лет назад

Brilliant

@Amazaro 5 лет назад

How do you trust the manufacturer of the hardware wallet? For example, how can you know that the private keys being generated on say a Ledger are truly random, and that the device isn't sending the private keys over somewhere?

@Teslawaverunner 5 месяцев назад

Very useful and informative. You approach the topics with a lot of precision which is nice to see. Can I ask how you calculated the 99% ? I’m especially interested in how you identify the 1:100 risk case that needs something more secure. Many thx

@kentlofgren 5 лет назад

knew it was wise to get a trezor right from start

@DMANDIOGUARDI 5 лет назад

What do you think or know about Lacie Private-Public encryption software. It installs on a USB and never goes online.

@Adam-ic4nr 5 лет назад

Any opinion of the new ECOMI SecureWallet?

@b.griffin317 5 лет назад

how do I ensure the change goes back to the original address? what wallet programs will do this?

@banzobeans 5 лет назад

13:15 damn. Gold standard.

@mottdog2002 5 лет назад

Andre could you recommend some good wallets please.

@upparinn 5 лет назад

I would personally have designed any wireless activity to be NFC activated and the pairing of NFC devices only available during wired mode...

@andersonciberdef 5 лет назад

Andreas, could you activate caption please?

@aaroncbradley5725 5 лет назад

Yes I think reading it along with listening to him it would singe into my head better

@SuperDesignguy 3 года назад

I know this video is old but maybe someone could help answer a simple question. I want to use the 25th word or "passphrase" option on my HW wallet so I can link that with the secret pin code for security reasons. Is using a 25th password where the password is "weak" somehow less safe than just the standard 24 word seed? In other words... Since I'm doing this for plausible deniability I'm not concerned about anyone getting my 24 words. Adding thr 25th word is solely for the feature of the hidden accounts associated with it. In this scenario, is choosing a 25th word that is weak, somehow less secure overall than the standard 24 word phrase? Sorry I know this sounds silly.

@jalexb915 Месяц назад

His help was excellent in a general sense, but offered little to no value explained how to specifically store one’s keys, other than “write, store at home”

@__w__o__w__ 3 года назад

16:47 Nice to have my completely ignorant thoughts validated despite misinformation everywhere. It makes no sense to obfuscate a secure backup; that's just banking on your security not being good enough. If your primary security is good enough, then having a second layer of encryption only serves to make your own recovery harder.

@mywaycarpet 4 года назад

Love you Andreas! You have changed my life in crypto! Thank you! @SamTheCarpetMan

@tc2948 4 года назад

CaN I import a paper wallet from a hardware wallet without introducing the private key in a software separate from the hardware wallet? If it is not possible, in your opinion what would be the best software wallet to sweep a paper wallet? Considering I do not have an advanced knowledge to trust the software I can download to sweep the paper wallet.

@AlecWantoch 5 лет назад

Why not put an HD wallet on paper?

@stephenkamenar 5 лет назад

somehow i found a better solution than any standard: just use an old phone. make sure the wifi and everything on it is disabled / broken and use a multisig address that requires the offline phone and your normal phone.

@zeb1820 5 лет назад

Is that any different from a paper wallet, except that an old phone is likely to have (NSA) software that can turn on the wifi, Bluetooth or 3G, even mic and camera, without it showing that the phone is even powered on or connected?

@stephenkamenar 5 лет назад

@@zeb1820 paper wallet can't really send coins. old offline phone can actually send bitcoins. perfect mix of hot and cold. if you're that worried you can physically break the wifi/bluetooth

@zeb1820 5 лет назад

@@stephenkamenar no, but you can still send the coins that are stored on a paper wallet, and a phone that can send coins is not truly offline, so is inherently less safe than a fully offline wallet. But I like your idea, just think an effectively broken phone is harder to achieve and then becomes an offline wallet, just like a paper wallet. I think we need phones like the laptops that you can get with hardware on off switches for wifi, mic and camera, so you can be sure they are powered off while the phone is on. There is one company that sells laptops like that, just forgot the name..

@stephenkamenar 5 лет назад

@@zeb1820 paper cannot send coins. you have to import it to some computer. my offline phone is truely offline. it has to scan a qr code, sign it, then display the signed qr to the online phone, and online phone broadcasts it. "air gapped"

@b.griffin317 5 лет назад

how is this different than a trezor or ledger?

@bazilian0 5 лет назад

Should you treat an Opendime wallet the same as a paper wallet?

@jpp59 5 лет назад

Do not store your saving on opendime, there is no way of backing up private key of the opendime device. If you loose it or destroy it, funds are lost

@elanarburk5775 3 года назад

What do you think of pay pal wallet?

@jacobgoldstein2492 4 года назад

damn your a well of knowledge

@ultrastoat3298 3 года назад

3:12 This is insane that a software wallet would generate a random address to send change to. The wallet should explicitly ask you for a change address, and if you WANT one generated it should be very explicit that if you need to back that up and save it or risk losing it forever.

@LarsLarsen77 6 месяцев назад

They're all generated with your seed, so you can regenerate them all from it.

@gamenophis 2 месяца назад

❤

@VimeER 5 лет назад

I dont understand 8:22. He says that he get access to hardware wallets through some mobile and desktop wallets, but how so without importing the hardware wallets and entering the phrase of it?

@entropyfu 5 лет назад

Electrum lets you use your hardware wallet. Assume you could just plug in a hardware wallet to your mobile.

@VimeER 5 лет назад

@@entropyfu Ahhh, I see. But there is no advantage to use a desktop wallet compared to the interface of nano ledger eg, am I right? I mean, the app of ledger nano s is not a desktop wallet, isnt it?

@banzobeans 5 лет назад

Victor Meyer Indeed the ledger (interface) apps work exactly the same as some desktop app like Electrum. May even be based on just that.

@bitcoinprimitives6529 5 лет назад

Can you cover the Electrum man in the middle attack specifically?

@kardiackids1435 5 лет назад

I use Electrum myself and my account is showing zero balance after restoring from seed. Can u briefly explain what "man in the middle attack" is please? Thank you in advance!

@bitcoinprimitives6529 5 лет назад

Jarrod VanHorn - u were probably hacked. Hope not but...

@bitcoinprimitives6529 5 лет назад

Jarrod VanHorn check your out going transactions. Was your bitcoin sent somewhere you dont recognize?

@kardiackids1435 5 лет назад

@@bitcoinprimitives6529 That's what I'm fearing. What's strange tho is my address w my bitcoins is showing as unspent UTXO on the blockchain.....and it's been that way for quite a few months. Thanks for the quick response buddy, I appreciate it.

@kardiackids1435 5 лет назад

Well I had multiple wallets in just one Electrum wallet. After I restored from seed, it would say "incorrect password" when trying to open the other 2 wallets I made. I did make the last output TX, but the address showing my bitcoins is no longer in the 1 wallet I can open.

@FirstLast-tx3yj 4 года назад

So if i send btc from my paper wallet i will lose the rest?

@LoudPackDimeSack 5 лет назад

Is BitKey for iOS safe?

@jackgladmen3723 5 лет назад

@leonardmcglynn4493 5 лет назад

Hello! I really enjoy listening to Your You tube videos, Your knowledge of blockchain and cryptocurrencies is incredible! I have a question for You. Last week I made the mistake of sending USDT from My Finance account to the wallet address supplied for My Shakepay account in Canada. Shakepay tells Me that because they do not handle USDT they are not sure they can retrieve those funds for Me. Is there anyway that I would be able to have the funds returned to My Binance account, or are they lost forever? Thank You for Your time!

@Oneironaut1111 5 лет назад

Please get Brave Verified so I can send you my BAT love!!!

@aantonop 5 лет назад

twitter.com/aantonop/status/961447010837577728

@AdamGForPolitiCorps 4 года назад

@@aantonop you could receive the tip and withdraw it pretty quickly though, yea?

@wojciechorama 29 дней назад

PLEASE REMAKE ALL VIDEOS !!!!!!!! use AI to generate graphics and so on, repost all so I could understand :D

@danielharris3827 5 лет назад

Just reading ch 8 Internet of money, fantastic tech!! Thank you for sharing this treasure! I am an artist a a very visual person, visual aids would be very helpful in sharing this info. This is going to CHANGE our WORLD! I want to help share this tech, imagine a world where the "other" 5 billion people are brought into the modern economy! That will be growth

@guestuser6150 5 лет назад

If there is going to be mass adoption, someone is going to need to translate this video into English for the average American. (wallets for dummies)

@JR-lv6bx 5 лет назад

That 100:1 like/dislike ratio

@earthsign28 3 года назад

When crypto currency is mainstream, we'll all be chipped in the name of continuity and security

@32brookse 5 лет назад

The obvious reality that hardware wallets will not remain reliable over time (because of changes in business and logistical practices of the manufacturer - and due to business failures, mergers, etc) frankly never occurred to me before, and this makes hardware wallets an *absolute* nonstarter for the average human being. The idea that Joe and Jane 6 pack will accept going to the trouble of periodically (in a very complex and risky process) shifting to an entirely new hardware wallet to keep their vital savings safe, is simply absurd. For widespread adoption to succeed, the average human being needs to be able to put their keys on a hardware wallet and be *absolutely* assured that they can go to that wallet 100 years later and withdraw their funds easily and successfully. Until that guarantee is in place, any sane lay consumer will choose an insured custody provider like Coinbase, and not a hardware wallet. Those of you in cryptocurrency tech need to put yourselves in the shoes of the lay person and do serious work to quickly solve this problem, or the vision of a peer to peer, uncensored, democratic economic system will never happen.

@CricketRodeo 2 года назад

At 6:38 - 9:00 (his answer to the question RE: wallets and clients), I believe he was talking about the software wallets / clients being unreliable, not hardware wallets. Correct me if I'm wrong though.

@nauxsi Год назад

Lay people will have options by then. Paypal, Revolut and many more will have consistent UI's and do the donkey work so you don't have to think about it.

@32brookse Год назад

@@nauxsi I would not trust PayPal with my worst enemy's garbage collection. PayPal has been banning groups which oppose neoliberalism.