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9701  Other / Beginners & Help / Re: Legacy vs segwit on: April 10, 2020, 11:33:32 AM
those that can't verify messages signed from a P2WPKH or P2SH/P2WPKH addresses can't do it because that part of their application is not capable of recognizing the "address type".

The problem is that "those that cant" = "all but electrum"

I just found a discussion where you did participate where a user claimed trezor and electrum made different  signing methods...
https://bitcointalk.org/index.php?topic=5137069.msg50817536#msg50817536
9702  Other / Beginners & Help / Re: What will happen if all miners stop mining? on: April 10, 2020, 05:52:15 AM
As many already mentioned,  if miners stop bitcoin will survive.
It is not that easy to kill bitcoin. It will survive
9703  Economy / Services / Re: [LIST] HQ posters renting out their signatures, avatars and p. text. on: April 09, 2020, 07:50:12 PM
Hello iasenko.
You can update my status as well, as my avatar space and signature are both rented for now =)
9704  Economy / Reputation / Re: I have a question DarkStar_ on: April 09, 2020, 06:37:53 PM
Everyone locally uses this to insult each other. Who is this complainant? The whole forum should know

Looks like the Turkish local board has a bit of an issue then.

"The whole forum" doesn't really give much of a shit about a campaign manager deciding to remove one participant for some reason or another.


If Darkstar doesn't explain, the whole local forum is cold, nobody trusts each other


If the Turkish local board is so worried about a signature campaign, that community is only looking for money, and not genuinely interested in Bitcoin discussions.

Is there really any reason to advertise there, if you guys are only looking to make money through the forum?

I don't think that the whole board is worried about that campaign, but you should be more careful with what you are saying. I expect that you guys are not good examples of your board.
9705  Other / Beginners & Help / Re: Legacy vs segwit on: April 09, 2020, 05:59:46 PM
core devs are being too hard-assed about it in my opinion Smiley
we don't sign a message from an address. we sign a message using the private key just like we sign anything else including transactions with that private key. and the standard is already there (add a fixed string at the beginning -> double SHA256 hash -> sign -> encode with base64 with a recid).
that is what we have been doing all this time with legacy addresses and that is what Electrum continues to do with all types of addresses.

I don't have the technical knowledge to confirm what you are saying, but I believe you are correct.
But I think it is important that core validates that, so all wallets would simple sign and verify those messages.

For now, electrum signature cannot be verified in most of the softwares....
9706  Other / Beginners & Help / Re: Bitcoin Whitepaper- a MUST read for all and a little merit giveaway on: April 09, 2020, 01:40:10 PM
I will make a question as well:

What are SPV wallets and why are they important? Best and complete answer 3 merits.
In section 8 of the whitepaper, Satoshi talked about Simplified Payment Verification (SPV):
Quote
It is possible to verify payments without running a full network node. A user only needs to keep a copy of the block headers of the longest proof-of-work chain, which he can get by queryingnetwork nodes until he's convince he has the longest chain, and obtain the Merkle branchlinking the   transaction to the block it's timestamped in. He can't check the transaction forhimself, but by linking it to a place in the chain, he can see that a network node has accepted it,and blocks added after it further confirm the network has accepted it.

From this, SPV wallets can be defined as those wallets that download a small, specific part of blockchain only but still make sure your transactions in block and maintain security (less secured than running a full node, of course). This kind of wallet is important because they're an ideal option for portable devices like smartphones.

Exactly. SPV wallets are mentioned in the whitepaer, just as you pointed out.

They are important for adoption, and portable devices are a very good example of it. Imagine if we had to download 200 Gb of data in a smartphone just to receive or send some bitcoins?
9707  Other / Beginners & Help / Re: Legacy vs segwit on: April 09, 2020, 01:37:36 PM

SegWit DOES support sign message, but there weren't any standard about sign message so Electrum decide to make their own standard.
The only standard that i know is https://github.com/bitcoin/bitcoin/pull/16440, but it's still on progress.

Exactly.
So, if you need to sign messages to prove that you own the funds, it is better to use a Legacy address. That's the only advantage of legacy addresses.
9708  Bitcoin / Electrum / Re: Android Electrum 3.3.8 SPEND Problem on: April 09, 2020, 12:11:07 PM
No... A seed phrase is a backup for a HD (hierarchical deterministic) wallet. These wallets generate multiple private keys/addresses from that seed. Granted, most of these wallets will tell you to write your seed phrase on a bit of paper, but they're not typically called "paper wallets".

like I said a "paper wallet" is generally just one single private key/address.

I think that is not necessarily the only option. If you don't have the software anymore but you have only 24 words in a piece of paper, this is a paper wallet (in my opinion).



llbit,
I am going to suggest you to buy a hardware wallet, Ledger Nano S or a Trezor One. They are cheaper , easy to use and much safer than your "tech guys".

You can buy a ledger nano S for less than 100 usd. They are compatible with electrum.
9709  Alternate cryptocurrencies / Altcoin Discussion / Re: Need help in baunty. on: April 09, 2020, 12:04:03 PM
Hello. I’m looking for free giveaways, I’m ready to follow your referral links, even go through KYC

So you are willing to sell your documents for free giveways.
How much do you think your documents are worth? Your reputation, your privacy, your face? Do you know how are people going to use your documents?

Are you willling to sell them for 0.15 USD paid in shittokens which cannot be exchanged for bitcoin (because the volume is too small)?

There is no free money in this world.
9710  Local / Português (Portuguese) / Re: Bitcoin - Perguntas e Respostas. on: April 09, 2020, 11:54:46 AM
Nova pergunta.

Existe uma opinião mainstream de que uma moeda deflacionária seria ruim para a economia, e eu não estou comprando essa idéia. Que é justamente o caso do bitcoin.

Valendo até 20 merits (se a resposta não for preguiçosa demais):
Existiram já países que tiveram desenvolvimento econômico durante um período com deflação?
9711  Other / Beginners & Help / Re: Bitcoin Whitepaper- a MUST read for all and a little merit giveaway on: April 09, 2020, 11:51:12 AM
I will make a question as well:

What are SPV wallets and why are they important? Best and complete answer 3 merits.
9712  Other / Beginners & Help / Re: Legacy vs segwit on: April 09, 2020, 11:46:37 AM
If your concern is security of your Bitcoin, then what you should do is choosing good wallet. Hardware wallet (such as Ledger Nano S and Trezor One) is best choice if you could afford them, you just need to backup the mnemonic phrase (sometimes also called recovery phrase or seed phrase) and store the backup on secure location.

Agree. Even so, it is better to use a Segwit address in almost every situation.

I don't have funds in Legacy addresses anymore.

The only downside of segwit addresses is that they do not allow to sign messages. Only Electrum does, and its signature is not recognized by Bitcoin Core.
9713  Bitcoin / Hardware wallets / Re: Ledger Nano X Experience on: April 09, 2020, 11:43:01 AM
The Nano X has a few improvements, but I wouldn't call any of them essential improvements.  As long as the S is compatible with all your coins and has enough room for all the associated apps, that's really all you'll ever need. 

Personally, I don't even see that extra room for apps an advantage. As installing/uninstalling apps is pretty fast and easy. I can do uninstall/install my whole life to save 150 usd lol

Hardware wallets are important for me due to their security, which is the same in Nano X and Nano S.
9714  Economy / Reputation / Re: Appeal to review why I was given a negative trust on: April 08, 2020, 10:06:46 PM
Even if the OP did indeed have two accounts registered in this specific campaign, no rule violations occurred.  Merely having an alt is no reason to get red-tagged.

I think that having two alts in the same campaign, when rules of the campaign clearly state that this is not allowed, should be red tagged.

If someone does that, he is clearly trying to cheat the campaign, this is not an honest person. So this would be a justified red tag, because trading with a dishonest person is high-risk of losing money situation.

However, as I said, this doesn't look to be the case here.
9715  Bitcoin / Electrum / Re: android 3.3.8 problem on: April 08, 2020, 07:32:58 PM
Did you maybe restart the wallet during wallet creation?

First of all, is the phone rooted or not? There are several tools that lets you examine the phone file system, but in order to be able to examine app data you might need to root it. What version of android is it and what phone model?

The only thing you should NOT do is re installing another version. A very useful tool to clone the phone data is Disk Drill from celeverfiles

E


This is all wrong.

it is watch only because the wallet doesn't hold the private keys. It wasn't created properly.

Watch-only wallets are walelts which hold only public addresses.
9716  Other / Beginners & Help / Re: Am New Here and Need Help, Please. on: April 08, 2020, 07:10:20 PM
Between books and courses which should I focus more on?

I would always focus on books, no matter the subject.

Reading a book is like talking to the author. Well not really talking, but listening. Antonopoulos is a great person, listen to him is amazing.

Watch his youtube videos in his YouTube channel as well.
9717  Other / Beginners & Help / Re: summary on Proof of Work on: April 08, 2020, 05:32:39 PM
Friendly hump

Hood read for new comers who want to learn about bitcoin and how it works, why it expands energy and so on.
9718  Other / Beginners & Help / Re: Bitcoin Whitepaper- a MUST read for all and a little merit giveaway on: April 08, 2020, 05:30:57 PM
Certainly a must read
Satoshi explains everything in the whitepaper, wallets, nodes  pow...

I read it several times already  and I always learn more each time I read.

I made a quick summary on pow based on the whitepaper,  take a read later

https://bitcointalk.org/index.php?topic=3317586.0
9719  Economy / Web Wallets / Re: Blockchain Watch Only on: April 08, 2020, 02:44:39 PM

i cannot find the 870 amount, there are over 100 posts, which one is it?

It was distributed among those addresses he mentioned in the first post.

870bitcoin wasn't all that money in that time, back in 2014. It was a pretty high amount of money, but not as near as it is today. Anyway, that was a very honest act from joehoe
9720  Other / Beginners & Help / Re: Am New Here and Need Help, Please. on: April 08, 2020, 02:21:43 PM
What are the most important things to consider before pursuing a career in blockchain and cryptography development industry?


Welcome to the forum. I joined for the same reasons about 2years and a half ago.

I suggest that you begin with the free book Mastering Bitcoin, by Andreas Antonopoulos.

You can read it for free at github.

https://github.com/bitcoinbook/bitcoinbook
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