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  1. Hello WallBlue, is your problem fixed? Otherwise, save your wallet.dat delete all the other files & folders, (for windows located here: Users\You\AppData\Roaming\Gridcoinresearch). Restart your Gridcoinresearch wallet (without any .conf and .dat, nor blk0001.dat) enter an email when prompted start & sync. wait 2 minutes, once you received some blocks, close your Gridcoinresearch wallet, replace your saved wallet.dat file in Roaming\Gridcoinresearch.
  2. Hi axelpr, Please follow exactly what i write (don't add any blk0001.dat, nor gridcoinresearch.conf and obvioulsy nor gridcoin.conf), if you have any doubt, tell me here. Go to: C:\Users\Yourusername\AppData\Roaming\GridcoinResearch -save your : wallet.dat ...in another folder. -erase all the other files, and folder. -go to c:\programs files(x86)\gridcoinresearch\ -double click on gridcoinresearch.exe -wait 1 to 2 minutes, -enter an email when prompted... your wallet must sync, wait 2 minutes. after the first blocks received, close your wallet & replace your saved wallet.dat here C:\Users\You\AppData\Roaming\Gridcoinresearch If you changed the name of your wallet.dat , don't forget to call it: wallet.dat P.S: if you can't find the AppData Folder Windows 7: From any opened folder Click Organize▼ (upper left) then click "Show Folders and Search Option" click "View" and Check "Show hidden files, folders, and drives", and then click OK. Windows 8: From the Control Panel, type Folder Options in the search box: click "Folder Options", click "View" then Check "Show hidden files, folders, and drives", and then click OK Hope this helps,
  3. Hi Rob, Here it is: 0a23de8d2756aa3e48f0a2d821713f586f0cb1ff0080ef5c15365f013ab8714d-000
  4. Hi Rob ! Hope you are fine i am quite impatient about the new gridcoin, anyway, it sounds good. my little pain, same as Mudzahedin, my burning process is expired, d5f1f6f1-0fda-4d7b-ad00-2fe9ec877347 SJRZAoBB2UNLg2Rh8K47iWN981hTF6KFEh 112897.2600000000 STATUS: EXPIRED 3/5/2015 3:16:29 AM What should i do ? Thank you for all the work done.
  5. Opal now has a live rest api and live blockchain explorer powered by node.js and magic! http://live.opal-coin.com
  6. Gemlock-dns is the first part of our gemlock security suite, and is the result of an outstanding partnership with altcoin.center. Gemlock is a decisive tools in our security roadmap, soon, Opal user will check, directly inside his wallet if this one is the good one (the last and certified one) and if it is not corrupted ! How it works ? by comparing the SHA1 checksums of your Opal wallet and the official Opal wallet. Does it work ? yes, but it is not yet automated. Let's get checking our last wallet, (here is the tuto): For WINDOWS users: 1. Go to C: create a new folder and name it FCIV 2. Download the File Checksum Integrity verifier : http://download.microsoft.com/download/c/f/4/cf454ae0-a4bb-4123-8333-a1b6737712f7/Windows-KB841290-x86-ENU.exe 3. In the file download box, click Save and save the file in the FCIV folder 4. Go to your FCIV folder and double-click on Windows-KB841290-x86-ENU.exe then click ok 5. Click ok to extract the file (if asked, extract the file in the FCIV folder) 6. Click start, on the search field type cmd.exe Press enter, then click cmd.exe 7. On this black command prompt, type set path=%path%;c:\fcivPress Enter 8. Download your favorite wallet on www.opal-coin.com at the Download Wallets 9. Type (and replace the .zip file with the wallet you downloaded, as there are 3 different wallets). fciv.exe -sha1 c:\the full path\where you downloaded\Opalcoin-Qt-exchange.zipthe SHA1 checksum is the 40 numbers and letters, after File Checksum Integrity Verifier version 2.05, example: 4c56186623bbaa7c2fea980b042270beafd3b53f c:\the full path\where you downloaded\Opalcoin-Qt-exchange.zip 10. Now, type: nslookupAnd press Enter it will displays your DNS sometime we encounter surprise here so you can check if they are yours, or if you have a box: if they are those of your ISP, type "Your ISP name DNS" in google to know them, and... anyway we need to type it 10. Type: set querytype=TXTPress Enter 11. Type: checksums.opal-coin.comPress Enter This order displays the genuine Opalcoin SHA1 checksums (the 40 numbers and letters). 12. Compare this guenuine SHA1 with the checksum fciv.exe gave you: they MUST be the same. (beware to check the SHA1 of the good wallet as there are three Opalcoin client, to check it, just look at the name of your Opalcoin-Qt-Folder. Now in the command prompt look at the one which match with your Opalcoin-Qt) If the SHA1s are not the same: Close your wallet, save the wallet.dat in a easy retrievable folder (but not into your Opalcoin-Qt folder and not into in C:\Users\YourUserName\Appdata\Roaming\Opalcoin), go to C:\Users\YourUserName\Appdata\Roaming\ and delete the folder Opalcoin, go to your Opalcoin-Qt folder you use to launch your wallet, delete the Opalcoin-Qt folder. Type: exitPress Enter to quit the nslookup utility. Go to www.opal-coin.com and click wallet download, choose the walllet you need. Now it is simple and cool, if you want to test again your last download from this simili-trusted pseudo-true opal-coin.com (maybe you were not on the right official website ) Type (and replace the .zip file with the wallet you downloaded, as there are 3 different wallets) fciv.exe -sha1 c:\the full path\where you downloaded\Opalcoin-Qt-exchange.zipEnter, check. If the SHA1s are the same: Well done you have a certified official Opal wallet ! You can now run it, let it sync, (1 to several hours, depends on your bandwidth) and close it. Go to C:\Users\YourUserName\Appdata\Roaming\Opalcoin and put your saved wallet.dat into the folder. now start again your wallet: and stake cool ! ____________________ For LINUX users: 1. Start a shell / terminal, i.e. a text based command line utility 2. Go to the directory to which you downloaded the wallet software by typing the following command to the terminal, followed by enter, replacing “ /path/to/download folder ” by the actual location of the folder where you downloaded the wallet software. cd “ /path/to/download folder ”. 3. Type the following command to the terminal window, followed by enter, replacing “ Opal-Qt-opaque.zip ” with the name of the file you downloaded: sha1sum Opal-Qt-opaque.zip The sha1sum command outputs a line similar to this: 3a099ff6e8831885b00431bee693ea40b3ff9e39 Opal-Qt-opaque.zip Take note of the random-looking 40 character string. It is the SHA1 checksum of the file you have downloaded. Now compare it to the checksum provided by the DNS system at step 7. 4. Start the DNS lookup utility by typing the below command, followed by enter: nslookup 5. At the nslookup utility prompt (>), type the below command, followed by enter: set querytype=TXT 6. Make a DNS query by typing the address provided by the wallet developers to the nslookup utility prompt, followed by enter: checksums.opal-coin.com You can also use DNS checksum service provided by a trusted third party, such as Altcoin.Center: opal.signatures.altcoin.center Take note of the 40 character SHA1 checksums returned by the above command: checksums.opal-coin.com text = "Opal-Qt-opaque.zip 3a099ff6e8831885b00431bee693ea40b3ff9e39" 7. Compare the SHA1 checksum created at step 3 to the one provided for the same file by the DNS service at step 6. If the 40 characters checksums are identical, it means the wallet software file you downloaded is genuine. If the checksums are different, make sure the version of the wallet software you have downloaded is the latest one, and repeat all of the above steps. If the checksums provided by the DNS remain different after couple of hours have passed, please contact the Opal developers for advice ____________________ APPLE users, we cant forget you, i am just a little bit completly rusty with Apple file managment and prompts, so it takes me times... Camargh ! 1. Open a Terminal (located in: /Applications/Utilities). 2. InsideTerminal prompt, type: openssl sha1 /Your_full/path_to_file/Opaque-Final-Mac.zipPress Enter It dipslays the SHA1 checksum you will have to compare: 40 numbers and letters, here in red: SHA1(/Your_full/path_to_file/Opaque-Final-Mac.zip) =3eb807b340d4e57aa79bb5422b94d556888bba60 with the SHA1 checksum of the official and certified opal wallets in the nslookup utility: 3.Type nslookupPress Enter 4. After (>) type set querytype=TXTPress Enter 5. Type: checksums.opal-coin.comPress Enter 6. Compare the SHA1 checksum returned (still 40 numbers and letters), here in red with your wallet checksum, above: something like: checksums.opal-coin.com text = "Opaque-Final-Mac.zip 3eb807b340d4e57aa79bb5422b94d556888bba60" 7.Type: exitPress Enter to quit the nslookup utility. If SHA1 checksums are the same, it means the wallet software file you downloaded is genuine. If the checksums are different, close your wallet, save the wallet.dat in another well known folder. then uninstall your Opalcoin-QT and download the latest version at www.opal-coin.com Obviously, you can now quickly check your brand new latest download: in the terminal type: openssl sha1 /Your_full/path_to_file/Opaque-Final-Mac.zipPress Enter and compare with the Opaque-Final-Mac.zip checksum of your last nslookup. if it is still different, call a developper on IRC. If the SHA1s are the same: Well done you have a certified official Opal wallet ! The next step into security is to automate these processes, stay tuned ... (P.S: thanks to Jyri from altcoin.center for the linux tutorial) (P.S #2: the checksums written here are not real, these are just example)
  7. How to Re-sync Blockchain from the Start by RCan06 The first step before touching any file in your Opalcoin folder is to backup your wallet.dat file. Under the file header, select backup wallet. It's smart to backup to another disk in case of hard drive failure. After backing up your wallet, close it and go to your C:\ drive then navigate to the following: C:/ > Users > Your Username > App Data > Roaming > Opalcoin In the Opalcoin folder you will see the above files which are created after first starting your wallet. The most important file is your wallet.dat file, storing your balance information. The other files highlighted in red can be deleted and will be recreated fresh when your wallet is started. If you also delete your wallet.dat file replace it with your backup you will have created. Note: If you can't see your App Data folder you will need to set your folder preferences in Windows to view normally hidden folders and files. Open to 'my computer' and click Organize and Folder and Search Options Then click Show hidden files, folders and drives. On windows 8 : Just open a File Explorer window and click the "View" tab and tick "File name extensions" (on your top-right). Finally, once contents are deleted except your wallet.dat, restart your Opalcoin wallet and it will begin to re-sync from the start of the chain. Your balance will appear as zero and will rise as the blockchain downloads and confirms your transactions. Hope this helps out!
  8. Hi & welcome killmypant, i can advice you to set your desktop (at least those who have AMD gpu) in order to mine on the SuperNET multipool: you can find a complete guide here: https://cryptocointalk.com/topic/29583-supernet-multipool-sha-scrypt-x11-altnutscom/#entry165887 and here in french: https://bitcointalk.org/index.php?topic=943159.msg10333906#msg10333906
  9. Yes, this guide: how can i still mine opalcoin by creating a miner which points to the SuperNET Multipool: http://altnuts.com Here, no registration needed, quickly: copypaste altnuts address, add your opal address and the name of your miner and let it crush ! For Windows OS and AMD Graphic card you need to: have decent drivers: at least 14.6 -> http://support.amd.com/en-us/download/ download & install Microsoft.NET 4.5 framework-> http://www.microsoft.com/fr-fr/download/details.aspx?id=42642 download & install AMD APP SDK (for Windows 32 bits) -> http://developer.amd.com/tools-and-sdks/opencl-zone/amd-accelerated-parallel-processing-app-sdk/ (go to the second board AMD APP SDK v2.9.1 and choose the correct one, for Windows 32 or for Windows 64 bits). download and extract sph-sgminer x11mod -> https://github.com/lasybear/sph-sgminer_x11mod(i like the 4.1.0) Reboot your Computer. Then you need to create the .conf file (Remember the extension must be seen, to be sure): Windows 8 : Open a File Explorer window and click the "View" tab and tick "File name extensions". Windows 7/vista : Open Windows Explorer and click the "Organize" button towards the top left. Choose "Folder and search options" from the menu. Then click the "View" tab in the window that opens, then scroll down and untick "Hide file extensions for known file types". So create a new text document with your notepad and copy/paste the following: (remember to edit oYOUR_OPAL_ADDRE55 and yourminername): { "pools" : [ { "url" : "stratum+tcp://stratum1.altnuts.com:4333", "user" : "oYOUR_OPAL_ADDRE55.yourminername", "pass" : "x" } ] , "intensity" : "16", "worksize" : "256", "kernel" : "x11mod", "lookup-gap" : "2", "thread-concurrency" : "8192", "shaders" : "0", "gpu-threads" : "2", "gpu-engine" : "1050", "gpu-fan" : "0-0", "gpu-memclock" : "1500", "gpu-memdiff" : "0", "gpu-powertune" : "0", "gpu-vddc" : "0.000", "temp-cutoff" : "87", "temp-overheat" : "83", "temp-target" : "75" } ... Save this file as sgminer.conf in your sph-sgminer x11mod folder (beware not to save it as sgminer.conf.txt). These settings work for AMD 7970, R9 270x, R9 280x. You should change thread-concurrency, gpu-engine, intensity (usually 13-18) and gpu-memclock values to fit your GPU habits. (if you change thread-concurrency, delete the x11modXXXXXXg2tcXXXXwXXXl4.bin file in your sph-sgminer x11mod folder). In order to change your gpu-engine and gpu-memclock value please read https://litecoin.info/Mining_hardware_comparison, the "C" Column is for gpu-engine value and the "M" is for gpu-memclock values. (remember that if you want to change settings when the sgminer.conf is saved you must right-click and choose edit, instead of open) Now create another text document with your notepad and copy/paste: setx GPU_MAX_ALLOC_PERCENT 100 setx GPU_USE_SYNC_OBJECTS 1 sgminer.exe -k x11mod -o stratum+tcp://stratum1.altnuts.com:4333 -u oYOUR_OPAL_ADDRE55.yourminername -p x ... Save this file as for example Buyopal.bat in your sph-sgminer x11mod folder (beware not to save it as Buyopal.bat.txt) and create a shortcut that you cut/paste on your desktop: to start mining, just double click this Buyopal.bat shortcut ! be patient, first time it take 30 seconds to run. For more info, please dont spam this topic and read the topic of lasybear https://bitcointalk.org/index.php?topic=623409.0 You must not have Hardware error "HW" in Sgminer, even a few, if so please read https://bitcointalk.org/index.php?topic=623409.msg7615953#msg7615953 Hope it helps
  10. thanks coinking, i really like it btw i must edit my guide.
  11. Hello, I wish you all & the new Gridcoin a great year ! As i am not fluent in english, i did not get everything about the burning process. 1st: let's say i have 50,000 classic gridcoins i want to burn-exchange, i did not understand this sentence: Step 2: Enter a unique GRC classic amount to exchange - up to 4 decimal places - NOTE: Enter a globally unique GRC amount to burn here (Note: The system will reject any duplicates automatically.) 2nd: to summarize what i have understood: i sync my classic gridcoin-Qt, i send 49,984.9079 GRC classic to the "GRC Proof-Of-Burn Address" field. i enter 49,984.9079 as the amount of GRC classic i want to exchange. i click the "burn gridcoins" button i check if the confirmation message is a Success with a green message box. Can someone confirm ? Thanks,
  12. Thank you aigeezer, you found, just a typo mistake !

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