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Author Topic: NXT :: descendant of Bitcoin - Updated Information  (Read 2760946 times)
msin
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March 10, 2014, 04:47:07 PM
 #42721

For the sake of focused Nxt projects, let's please get some more minds posting here:

https://bitcointalk.org/index.php?topic=463731.0 - Nxt AT

&

https://bitcointalk.org/index.php?topic=498898 - Nxt X-chain transactions
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opticalcarrier
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March 10, 2014, 04:48:44 PM
 #42722

Someone's previous suggestion of "users being too stupid" or whatever it was... yeah right, sure thats really the way to go.



Might have been me, but I did say it needs to be made stupid proof.

But make no mistake it is stupidity for anyone to lose their NXT because of a bad password even on the NRS client as it is.

I can understand someone being a little lax when making an email password or something but when you're investing thousands of dollars into a new technology I would think any reasonably smart person would take a degree of extra caution.

I studied bitcoin for a full week straight before I bought my first hundred dollars worth.

I think part of it is on-line banking, which lets you get away with weak passwords. People think "if it's ok for my bank should be ok here"

I'm not saying these people are "non-functioning" stupid, but they are stupid nonetheless. I think it's kind of similar to the people who
don't like bothering with reading the manual when they are putting together something complicated from IKEA. They are confident they'll figure it out and just start putting it together. Usually they swear a lot while doing it and mess up a couple of times.

With crypto the consequences are more dire. You cannot screw up even once.

It's hard for me to garner a lot of sympathy for these people.

me either, but logically it just makes more sense in that if we have an option where we get fewer fingers pointing our way, then that method will be the way that NXT will spread larger/faster.  A nxtwallet.dat file by default gives us that.
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March 10, 2014, 04:50:57 PM
 #42723

Any suggestions about Parallel Chains? If not then I'll stick to BCNext's draft.

Suggestion:
- SCIP mechanism to count blocks in order to have snapshot every 1440 blocks


Question:
Will snapshots integrated for free?

For fee.

I see.

Do you think the masterchain will need to achieve 1000 TPS?
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March 10, 2014, 04:56:59 PM
 #42724

optical, bidji29. i think you are (we all are) biased because we know this shit for a long time. what the fuck is a wallet file. but a password, hell, everybody knows that.

But newbie don't even need to know there is a wallet.dat when they first launch the client. They directly have an account and can send NXT on it.
It's an easier solution.

This is dangerous. They need to know where it is so they can back it up for future use (different computer, hard drive crashes, etc).  Otherwise, just leave it as it is. They just need to save the generated passphrase. They won't be able to login without the passphrase, so it's safe to assume they saved it.

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March 10, 2014, 05:23:14 PM
 #42725

optical, bidji29. i think you are (we all are) biased because we know this shit for a long time. what the fuck is a wallet file. but a password, hell, everybody knows that.

But newbie don't even need to know there is a wallet.dat when they first launch the client. They directly have an account and can send NXT on it.
It's an easier solution.

This is dangerous. They need to know where it is so they can back it up for future use (different computer, hard drive crashes, etc).  Otherwise, just leave it as it is. They just need to save the generated passphrase. They won't be able to login without the passphrase, so it's safe to assume they saved it.

That's why i propose a reminder at the 5th or 10th of the client to backup/encrypt the wallet.dat

http://www.freebieservers.com/  100% FREE GAME SERVERS
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March 10, 2014, 05:30:19 PM
 #42726

To quote Eadeqa, "Huh? I never mentioned yubikey. I think that's for 2-factor authentication. It won't even work with Nxt as Nxt is local login to NRS. "

Yubikey has a second slot for a user programmed static password.  The second slot is not involved with 2-factor authentication by server.

I understand that we are attempting to provide a mechanism for users to create (or REQUIRE) strong passwords; however I am looking at ease of use while preserving security.

In my proposed use case I program my 32 character password to the Yubikey.  As I login to Nxt, I type a phrase known to me (longer than 18 characters) and then press the Yubikey button for 2-3 seconds to trigger the Yubikey to enter the stored static password and the Enter key at the end.

Presto chango - Pseudo 2-factor authentication with no third party validation servers required.

If Wesley implements his interface requiring random password generation it locks out users that would like to implement what I described above out of the ability to login securely with the described Yubikey use case.

Can Passphrase generation on Wesleyh client show password entropy and Strength as the Passphrase is input (before Account creation)?
Can I use my own strong password if I choose to so that I can use a Yubikey in pseudo 2-factor authentication.

I hope I am being clear enough.
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March 10, 2014, 05:30:39 PM
 #42727


electrum database. (1626 words)

Larger diceware database could also be used.. if that's what the people want.

The advantage of a larger dictionary like diceware is that a 10 words passphrase would be as strong as a 12 words passphrase with the electrum dictionary. Am I right? Just a little more convenient for the end user.

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March 10, 2014, 05:36:53 PM
 #42728

We need NXT ATMs.

http://arstechnica.com/information-technology/2014/03/ars-buys-bitcoins-at-one-of-the-countrys-only-bitcoin-atms/
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March 10, 2014, 05:40:09 PM
 #42729

Do you think the masterchain will need to achieve 1000 TPS?

No
Eadeqa
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March 10, 2014, 05:42:24 PM
 #42730

To quote Eadeqa, "Huh? I never mentioned yubikey. I think that's for 2-factor authentication. It won't even work with Nxt as Nxt is local login to NRS. "

Yubikey has a second slot for a user programmed static password.  The second slot is not involved with 2-factor authentication by server.


What happens to static password if you lose Yubikey? Yubikey costs money. Given small Nxt community you probably will be the only one who will  use it.

There is much easier (and free) solution to make  it easier. Use Lastpass browser plugin

https://lastpass.com/

Then you don't have to type anything as Lastpass will autofill the password. Plus you can use Yubikey (as it was intended for 2 factor authentication) with Lastpass.





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March 10, 2014, 05:47:39 PM
 #42731

Yubikey offers a Key Registration service that allows multiple keys to be remotely wiped at https://admin.yubico.com/yubirevoke/login.php

A Yubikey costs $30 and is worth far more than that to protect valuable digital assets.

Lastpass uses a third party server verification and for the most security paranoid this is not acceptable.

Wesleyh, can you code your login so that users can enter their OWN STRONG password so that the described Yubikey pseudo 2 factor authentication method can be used?
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March 10, 2014, 05:49:06 PM
 #42732

CfB:  how does payout during leased forging work?  will the account owner (that all effectiveBalance values are leased out to) have to do manual reconciliation or does NXT just figure it out?
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March 10, 2014, 05:50:17 PM
 #42733

CfB:  how does payout during leased forging work?  will the account owner (that all effectiveBalance values are leased out to) have to do manual reconciliation or does NXT just figure it out?

Fees go to the leasee (pool) and added to the balance of the account the power was leased to.
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March 10, 2014, 05:54:58 PM
 #42734

Yubikey offers a Key Registration service that allows multiple keys to be remotely wiped at https://admin.yubico.com/yubirevoke/login.php

A Yubikey costs $30 and is worth far more than that to protect valuable digital assets.

Lastpass uses a third party server verification and for the most security paranoid this is not acceptable.

Wesleyh, can you code your login so that users can enter their OWN STRONG password so that the described Yubikey pseudo 2 factor authentication method can be used?

No, I meant what happens to the static password if you lose your Yubikey? How are you going to get your money out of Nxt account? That static key must be saved somewhere (as a back up). Wiping key doesn't help you to login to Nxt. So there must be a backup somewhere. Where is that backup? On Yubikey server?

As for Lastpass, encryption is done locally on the computer. Only encrypted blob is sent to Lastpass server.

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March 10, 2014, 06:03:43 PM
 #42735

Yubikey offers a Key Registration service that allows multiple keys to be remotely wiped at https://admin.yubico.com/yubirevoke/login.php

A Yubikey costs $30 and is worth far more than that to protect valuable digital assets.

Lastpass uses a third party server verification and for the most security paranoid this is not acceptable.

Wesleyh, can you code your login so that users can enter their OWN STRONG password so that the described Yubikey pseudo 2 factor authentication method can be used?

I agree the Yubikey standard looks like an interesting option. 

However, on the topic of Lastpass, from https://lastpass.com/how-it-works/
Quote
All sensitive data is encrypted and decrypted locally before syncing with LastPass. Your key never leaves your device, and is never shared with LastPass. Your data stays accessible only to you.

(emphasis mine)

"An awful lot of code is being written ... in languages that aren't very good by people who don't know what they're doing." -- Barbara Liskov
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March 10, 2014, 06:11:39 PM
 #42736

Yubikey offers a Key Registration service that allows multiple keys to be remotely wiped at https://admin.yubico.com/yubirevoke/login.php

A Yubikey costs $30 and is worth far more than that to protect valuable digital assets.

Lastpass uses a third party server verification and for the most security paranoid this is not acceptable.

Wesleyh, can you code your login so that users can enter their OWN STRONG password so that the described Yubikey pseudo 2 factor authentication method can be used?

I agree the Yubikey standard looks like an interesting option. 

(emphasis mine)

I am still not sure Yubikey does anything. It's main purpose (as I understand it) is for 2 factor authentication (dynamic part of password that changes).

By the way, does anyone know how you restore your  Yubikey if you lose it?


 


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March 10, 2014, 06:12:34 PM
 #42737

Yubikey offers a Key Registration service that allows multiple keys to be remotely wiped at https://admin.yubico.com/yubirevoke/login.php

A Yubikey costs $30 and is worth far more than that to protect valuable digital assets.

Lastpass uses a third party server verification and for the most security paranoid this is not acceptable.

Wesleyh, can you code your login so that users can enter their OWN STRONG password so that the described Yubikey pseudo 2 factor authentication method can be used?

There is an option to not use the auto-generated pass phrase, is this not what you want?

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March 10, 2014, 06:14:09 PM
Last edit: March 24, 2014, 12:25:34 AM by marek3ball
 #42738

Let me introduce our new weapon for promotions and conferences. Shiny piece of 3D printed metal.


                                  Nxt CPU
                   Cryptocurrency Processing Unit


I have tried to connect an old days of the computers with bright future of the Nxt cryptocurrency. I hope you will like it!

For now I'm starting with the limited silver edition of the Nxt CPU. Total 7 pieces will be made.

I will sell six silver Nxt CPU in an auction only for NXT.
I hope Nxt will succeed and this will be part of beginning and the great future.
You will be able to buy real pieces in more than ten different materials (steel, plastic).

3D printed brass prototype; 3.506cm long:



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March 10, 2014, 06:15:46 PM
 #42739

2222.
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March 10, 2014, 06:19:52 PM
 #42740

Let me introduce our new weapon for promotions and conferences. Shiny piece of 3D printed metal.


                                  Nxt CPU
                   Cryptocurrency Processing Unit


I have tried to connect an old days of the computers with bright future of the Nxt cryptocurrency. I hope you will like it!

For now I'm starting with the limited silver edition of the Nxt CPU. Total 7 pieces will be made.

I will sell six silver Nxt CPU in an auction only for NXT.
I hope Nxt will succeed and this limited silver edition will be part of beginning and the great future.
You will be able to buy real pieces in more than ten different materials (silver, steel, plastic).

3D printed brass prototype; 3.872cm long:



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