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Author Topic: [XMR] Monero - A secure, private, untraceable cryptocurrency  (Read 4456224 times)
osensei
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November 14, 2014, 12:33:20 AM
 #16961

Someone should make blockchain in db format available for download. I'm syncing for 24 hours now and I'm still 150 days behind. i3-550, 4Gb, HDD.

In case anyone wants the blockchain in DB format, I've uploaded it to https://mega.co.nz/#!HJATCCyA!VICGBgoZSn_BRrxEhUD3EQLGUO7pon3o27cp25SmwWE

I also can confirm that the db version of the daemon works. The blockchain converter is fast only if you have an SSD and plenty of RAM.

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November 14, 2014, 12:45:25 AM
 #16962

Someone should make blockchain in db format available for download. I'm syncing for 24 hours now and I'm still 150 days behind. i3-550, 4Gb, HDD.

In case anyone wants the blockchain in DB format, I've uploaded it to https://mega.co.nz/#!HJATCCyA!VICGBgoZSn_BRrxEhUD3EQLGUO7pon3o27cp25SmwWE

I also can confirm that the db version of the daemon works. The blockchain converter is fast only if you have an SSD and plenty of RAM.

Also, for people with HDD, I think that mounting your home partition with "nobarrier" option helps to improve performance.

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lyth0s
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November 14, 2014, 04:39:08 AM
 #16963

Please help I can't restore my wallet from the keys (32bit) after downloading block chain from firstpage onto new 64bit pc,
I done it before without issue, but now I getting this error.

I'm able to create and sync new wallets, but can't restore mine.

Any ideas please? could it be due to blockchain download from first page.



I would also suggest that your password be longer than 1 character in length. Right now if anyone gets ahold of your wallet file it would take less than 1 second for a computer to have access to all of your coins.

Especially if you don't have full hard drive encryption, anyone can easily grab your wallet files if they have physical access to the machine in less than 5 minutes.

Monero - Truly Anonymous Digital Cash. Bitcoin Reading List 2017
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November 14, 2014, 04:54:00 AM
 #16964

nice catch lyth0s!

The password for my main wallet is 7 words from the diceware word list, of course randomly generated.

If you don't know where you're going any road will get you there
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November 14, 2014, 07:44:47 AM
 #16965


Thanks a million! It worked.

I just typed save and then exit within simplewallet and then reopened it and it worked like normal. Refreshing now as normal.

Shoot me your monero address, I'll send over a little token of thanks.


Glad to hear it worked out of you!

My address is :
Code:
46FpUeqeL4WbtBDwxC4F82WAFPcejbqJFX8ad3mv71xUJwMohYtis9uePkpy8bs7PmeTHVHxfysR81JAKHojzywdDx5VWpu

And it's only at the end of fall, that we discover it was naught but the wind that knew when one particular leaf was to fall from one particular tree, only to land in one distinct spot .. to be left for an eternity, and waste its time in a wait sublime. C0A2A1C4
papa_lazzarou
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November 14, 2014, 09:04:48 AM
 #16966

Please help I can't restore my wallet from the keys (32bit) after downloading block chain from firstpage onto new 64bit pc,
I done it before without issue, but now I getting this error.

I'm able to create and sync new wallets, but can't restore mine.

Any ideas please? could it be due to blockchain download from first page.


I would also suggest that your password be longer than 1 character in length. Right now if anyone gets ahold of your wallet file it would take less than 1 second for a computer to have access to all of your coins.

Especially if you don't have full hard drive encryption, anyone can easily grab your wallet files if they have physical access to the machine in less than 5 minutes.

And since we are advising, I would suggest typing the command seed at the wallet a writing down the word seed. This can be used to restore your wallet using the --restore-deterministic-wallet option, so no need to fret about corrupted dat files. Cheesy  I think this is one of the most undervalued feature added to a cryptonote coin.

PS: Keep in mind that this needs different kind of measures to keep safe than a wallet file.Have special care not to post a screenshot of your wallet with the words in it. Grin


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November 14, 2014, 09:27:09 AM
 #16967

I have a Monero wallet with private key, but I do not want to wait for bitmonerod to sync.

Is there any web-wallet or similar where I can import the private key?
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November 14, 2014, 09:51:10 AM
 #16968

I have a Monero wallet with private key, but I do not want to wait for bitmonerod to sync.

Is there any web-wallet or similar where I can import the private key?

Currently there is no webwallet avaible yet, but there are rumours that one is comming soon. This is just rumours and not confirmed unfortunately.

Privacy matters, use Monero - A true untraceable cryptocurrency
Why Monero matters? http://weuse.cash/2016/03/05/bitcoiners-hedge-your-position/
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November 14, 2014, 10:41:29 AM
 #16969

This guide is for Unix (tested on Ubuntu) and assumes you have git installed as well as a lot of RAM (I tested on a 4GB laptop with SSD). Feedbacks (both negative and positive) welcomed!

0. Close bitmonerod and simplewallet
1. Install liblmdb-dev and libunbound-dev
Code:
sudo apt install liblmdb-dev libunbound-dev
2. Clone Thomas Winget's Monero branch
Code:
cd ~ && git clone git://github.com/tewinget/bitmonero
3. Move to the right branch, "blockchain"
Code:
cd bitmonero && git checkout blockchain
4. Replace any occurence of /home/user with /home/(your login) - you should have three
Code:
nano ~/bitmonero/src/blockchain_converter/blockchain_converter.cpp
(ctrl+x then y to save)
5. compile
Code:
make
6. back up your blockchain
Code:
cp ~/.bitmonero/blockchain.bin ~/.bitmonero/blockchain.bin-backup
7. [WORKAROUND] create /home/user/.bitmonero (no need to be an user, just the folder)
Code:
sudo mkdir /home/user/ && sudo mkdir /home/user/.bitmonero
8. [WORKAROUND] copy the blockchain here
Code:
sudo cp ~/.bitmonero/blockchain.bin /home/user/.bitmonero/blockchain.bin
9. Convert the blockchain with the new aptly-named "blockchain_converter"
Code:
cd ~/bitmonero/build/release/src  && sudo ./blockchain_converter
10. Wait several dozen of minutes.
11. Start daemon and wallet, try some small transaction. Check the CPU and RAM also Smiley
Code:
top
Code:
free -h

Monero: the first crytocurrency to bring bank secrecy and net neutrality to the blockchain.HyperStake: pushing the limits of staking.
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David Latapie
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November 14, 2014, 10:49:59 AM
 #16970

Has anyone here either had the thought to do, or has accomplished steganographic wallet files?f
Telestic steganography. Don't even need a file Smiley
  • Telestic steganography: get your mnemonic seed, place each word at the end (telestic, opposite of acrostic) of a line of text that makes sense and that's all. Pretend it is a poem you wrote. Have several copies.
  • Evolution 1 ("Purloined Letter"/"hide in plain sight" version): use a nice design for your sheet, frame it, hang it on the wall.
  • Evolution 2 (Rubberhose cryptography-proof): have a more regular wallet (with file and password) with a substantial amount of XMR in it that you are willing to sacrifice if needed to.

Tacotime, smooth or whoever is in charge of running the monero.cc website. Would you like me to help making it look a little more aesthetically appealing? I can't develop wallet code or anything, but I can make some website improvements.
The design is ready for quite some time (and, no, I won't give you the URL of the new website Smiley) We just need to add more content first

Can somebody here give the pros and the cons of Monero.  Darkcoin vs Monero please.
https://bitcointalk.org/index.php?topic=721045.msg8477489#msg8477489 For the pros.
For the cons: hard to use at the moment + require long-term thinking

I have a Monero wallet with private key, but I do not want to wait for bitmonerod to sync.

Is there any web-wallet or similar where I can import the private key?
Not yet but in the work and pretty well advanced.

Monero: the first crytocurrency to bring bank secrecy and net neutrality to the blockchain.HyperStake: pushing the limits of staking.
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November 14, 2014, 11:06:31 AM
 #16971

Running things with sudo is bad habit. You should minimize root usage to minimum required, specially with cryptocurrencies related software.

Replace 7. with:
Code:
sudo mkdir /home/user/ && sudo chown <your_user_name>:<your_user_name> /home/user/ && mkdir /home/user/.bitmonero
Then don't use sudo in any of the remaining steps.


[...]

Monero's privacy and therefore fungibility are MUCH stronger than Bitcoin's. 
This makes Monero a better candidate to deserve the term "digital cash".
David Latapie
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November 14, 2014, 11:12:55 AM
 #16972

Running things with sudo is bad habit. You should minimize root usage to minimum required, specially with cryptocurrencies related software.

Replace 7. with:
Code:
sudo mkdir /home/user/ && sudo chown <your_user_name>:<your_user_name> /home/user/ && mkdir /home/user/.bitmonero
Then don't use sudo in any of the remaining steps.


[...]

Thank you. Ideally, Quanttek will update his script and the /home/user part will be fixed so this won't be necessary anymore. Plus, I expect much people to just copy-and-paste, so as long as the command I give are sane, that should be OK.
That being said, you point about minimising the use of sudo is one to remember.

Monero: the first crytocurrency to bring bank secrecy and net neutrality to the blockchain.HyperStake: pushing the limits of staking.
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David Latapie
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November 14, 2014, 11:20:30 AM
 #16973

Updated version. Step 5, 6 should be temporary and 7 should eventually not need sudo.

This tutorial requires using the terminal and is for an Ubuntu-based Linux (it requires ppa, so won't work with other Debian-based).

1. If no previous non-DB version of Monero exists on this machine, install monero and choose option 1 then y (this is just for installing the dependancies) - download the blockchain (long)
Code:
cd ~ && rm -f install_monero.sh && wget https://raw.githubusercontent.com/Quanttek/install_monero/master/install_monero.sh && bash install_monero.sh
2. Close bitmonero and simplewallet
3. Run this command. It will install liblmdb-dev and libunbound-dev and grab only the code you need (a variant of the code on a different directory, so it won't delete your working monero)
Code:
sudo apt-get install libunbound-dev liblmdb-dev && mkdir -p ~/bitmonero-testing && cd ~/bitmonero-testing && rm -rf bitmonero && git clone https://github.com/tewinget/bitmonero.git --branch blockchain --depth 1
4. compile
Code:
cd ~/bitmonero-testing/bitmonero && make
5. back up your blockchain
Code:
cp ~/.bitmonero/blockchain.bin ~/.bitmonero/blockchain.bin-backup
7. [WORKAROUND] create /home/user/.bitmonero (no need to be an user, just the folder)
Code:
sudo mkdir /home/user/ && sudo mkdir /home/user/.bitmonero
8. [WORKAROUND] copy the blockchain here
Code:
sudo cp ~/.bitmonero/blockchain.bin /home/user/.bitmonero/blockchain.bin
9. Convert the blockchain with the new aptly-named "blockchain_converter"
Code:
cd ~/bitmonero-testing/bitmonero/build/release/src && sudo ./blockchain_converter
10. Wait several dozen of minutes - you won't see anything, that's normal. If you want to check it is actually converting, open a new terminal and type top. The blockchain_conv process shall be consistently on top.
11. Start daemon and wallet, try some small transactions. Check the CPU and RAM also Smiley
Code:
top
Code:
free -h

Use testnet, not mainnet. Better safe than sorry.

Also, I have this issue so I can't go any further:
Code:
sudo ./blockchain_converter
block 0/364155 (0%)
Error adding block to new blockchain: std::exception

Monero: the first crytocurrency to bring bank secrecy and net neutrality to the blockchain.HyperStake: pushing the limits of staking.
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November 14, 2014, 03:22:54 PM
 #16974


Thanks a million! It worked.

I just typed save and then exit within simplewallet and then reopened it and it worked like normal. Refreshing now as normal.

Shoot me your monero address, I'll send over a little token of thanks.


Glad to hear it worked out of you!

My address is :
Code:
46FpUeqeL4WbtBDwxC4F82WAFPcejbqJFX8ad3mv71xUJwMohYtis9uePkpy8bs7PmeTHVHxfysR81JAKHojzywdDx5VWpu

Sent. Thanks again.

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November 14, 2014, 08:24:08 PM
 #16975

Feedbacks (both negative and positive) welcomed!

Hi,

The blockchain converter worked fine for me (at least the first 18k blocks). But it was taking ages on my (low end) laptop so I went with osensei's link.

I'm now running a monero node using less than 512MB of RAM. Grin

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BanditryAndLoot
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November 14, 2014, 09:35:11 PM
 #16976


Thanks a million! It worked.

I just typed save and then exit within simplewallet and then reopened it and it worked like normal. Refreshing now as normal.

Shoot me your monero address, I'll send over a little token of thanks.


Glad to hear it worked out of you!

My address is :
Code:
46FpUeqeL4WbtBDwxC4F82WAFPcejbqJFX8ad3mv71xUJwMohYtis9uePkpy8bs7PmeTHVHxfysR81JAKHojzywdDx5VWpu

Sent. Thanks again.

 Shocked Shocked

Thanks!  Cheesy

And it's only at the end of fall, that we discover it was naught but the wind that knew when one particular leaf was to fall from one particular tree, only to land in one distinct spot .. to be left for an eternity, and waste its time in a wait sublime. C0A2A1C4
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November 14, 2014, 11:02:33 PM
 #16977

Feedbacks (both negative and positive) welcomed!

Hi,

The blockchain converter worked fine for me (at least the first 18k blocks). But it was taking ages on my (low end) laptop so I went with osensei's link.

I'm now running a monero node using less than 512MB of RAM. Grin
Beware, because soon you will not be able to run it.
You'll need 4GB of ram and some Dual-core processor (at least).
Also, SSD hard drive is a good option to have, as it will speed up the process.

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papa_lazzarou
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November 14, 2014, 11:14:09 PM
 #16978

Feedbacks (both negative and positive) welcomed!

Hi,

The blockchain converter worked fine for me (at least the first 18k blocks). But it was taking ages on my (low end) laptop so I went with osensei's link.

I'm now running a monero node using less than 512MB of RAM. Grin
Beware, because soon you will not be able to run it.
You'll need 4GB of ram and some Dual-core processor (at least).
Also, SSD hard drive is a good option to have, as it will speed up the process.

Thanks but you misunderstood me. With the DB the daemon is using under half a giga of RAM.

|| Monero Blocks - The Monero Block Explorerdonate.moneroblocks.info ||
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November 15, 2014, 03:30:51 AM
 #16979

Great work with the DB guys, thanks a lot!  Smiley

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November 15, 2014, 04:48:23 AM
 #16980

Hey guys.
I'm a XMR long-term hodler.
Bought my first XMR before RP even Tongue

I really love the community and quality of people that are backing monero.
Just wanted to ask a few questions.

Can someone compare bitcoindark against monero for me?
Bitcoindark claim some kind of 'teleportation' technology that doesn't make much sense for me at the moment.

Can anonymous technologies (zero knowledge proofs or darkcoin's mixing or monero's ring signatures) be implemented usefully in bitcoin sidechains? Or would that compromise the anonymity? Do they need their own blockchain?

I understand that the monero community believes ring signatures to be the best form of anonymity technology at present. Will will be able to overcome the problems of blockchain bloat? Does boolberrys' trimming and discarding of information to deal with this ruin the anonymity?

I also dislike the current website's design haha. This currency is all about the technology and has no marketing/hype; leading to a higher chance of being undervalued.

Keep up the good work guys.

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