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You will want to clone this repo, then make sure that you have the required prerequisites mentioned in the Readme. You can verify that the script works by using the following to reproduce the Genesis Block and Merkle Root used in Litecoin:. Notice the input parameters include the proof of work algorithm in this case scrypt , a piece of text for ensuring that the blockchain was born on a given date, a public key, a timestamp, and a nonce.
For the text parameter you can choose anything but the common practice is to use something from the news that can verify that your chain did not pre-exist before a given date. This is important as users will want to rest assured that your chain was not pre-mined for coins at low difficulty when the chain was started. For the public key, I simply reused the one used by Litecoin. Technically, this is not an issue but you may wish to use something different. You will not know the nonce ahead of time when creating a new genesis block.
Thus we can either leave the parameter off or seed it with a starting value. This will result in a lengthy process as your computer increments to find a suitable nonce for your input parameters which satisfies the block generation criteria. I seeded with the nonce used to generate the Litecoin Genesis Block and Merkle root and got lucky as a suitable nonce was not far from that value Be aware that this process can take a lenghty amount of time to complete given different input parameters.
If we rerun the original command using the found nonce, the result is of course instantaneous and produces the following:. Take note of the values for pubkey, time, bits, nonce, and genesis hash. You will also note that you can change the block reward amount in this area. In checkpointdata , you will need remove all existing checkpoints and create a new one for block 0 which has a value set to the genesis hash. In chaintxdata , you will need to update the timestamp to the time value supplied to H0 and set everything else to 0.
For example, the actual formula for average block generation time is this:. Lowering the value for nPowTargetTimespan means lower difficulty adjustment, which results in faster transaction processing. This is the fundamental reason why Litecoin has faster processing time than Bitcoin. For all the talk that goes on about cryptocurrency being decentralized, it is interesting to note that dnsseeds and seednodes are baked into the source code.
We want to remove these so that our client does not incorrectly attempt to connect to these baked-in Litecoin node addresses as the pch message will be different and will result in a bunch of error messages in your client.
Simply comment out all lines that begin with vSeeds. To verify that you have made the correct changes you may wish to look at the "update dnsseeds and seednodes" changeset for faithcoin. We are creating a fresh blockchain so no work should exist on any nodes since we have not deployed any yet. Simply set consensus.
Note: you can ignore the additional changes made to the CTestNetParams section in this changeset as they were not complete, we will get to them later. By design, nodes communicate with each other over P2P using a designated port. To reduce unwanted traffic to our nodes it is advised to use a unique value. To change this I simply ran a find and replace for all instance of and changed them using:. You may verify that you have modified the appropriate files by viewing the "change default port to " changeset for faithcoin.
In order to have a working P2P network for your cryptocurrency, you will need to deploy a minimum of 2 nodes to somewhere. These can run locally in docker containers or you may opt to deploy to a cloud service. There is no right or wrong way to do this step, you just need to verify that these nodes are working and accessible to the outside world.
This means that you will need to open the chosen port for your cryptocurrency for both inbound and outbound traffic. Here is what the configuration looks like for one of the faithcoin nodes that I deployed to Microsoft Azure:.
We need to generate a config file for our clients to use so that they know where to connect to receive blockchain updates, submit hashes, and broadcast transactions. The most important pieces to be aware of are the addnode sections, where I configure the client to connect to 3 existing faithcoin nodes.
You will want to supply values for your nodes in this area. Also, you may wish to change the rpcuser and rpcpassword values. This is required if you intend to generate blocks locally i. As with most things about this project, the values are a joke and do not pose any security risk as-is. At this point, we are very close to having a working P2P system for initiating transactions over our fresh blockchain. We simply need to brand out a wallet application and test it against our nodes.
The Litecoin source includes a wallet application based on QT. It is interesting to note that Litecoin retained the "bitcoin" name for most of the included assets. A screenshot of the faithcoin wallet running on windows is depicted below:. The wallet may fail to connect to your nodes. Here are a few important things to consider. On windows, the wallet will ask you where you wish to store the configuration data on first-run.
You will need to ensure that a valid. See the " Get Started Guide for faithcoin " for more information. You will want to ensure that a valid. Assuming that you get your nodes to successfully connect, you now have a working blockchain waiting to accept blocks via consensus over the deployed network. Since the chain is fresh, it should be very easy to mine blocks using a modern CPU. To mine new blocks, start the wallet application and also run "faithcoin-cli. If a valid block is generated, the wallet will notify you that it has successfully mined a block.
This can be accomplish in a. If you were able to make it this far, congratulations! However, it is important to note that maintenance of a blockchain is not an easy task and we are far from finished if you truly wish to push your creation to the masses. You will also want to consider branding and distribution of your binaries.
In addition you will probably need a block explorer , mining pool , an exchange willing to list your coin etc. You will also need to protect against folks looking to encroach on your brand. Two days after the launch of faithcoin, someone created an ERC20 token by the same name and posted on bitcointalk , effectively taking over my ability to be first to promote my coin of the same name.
It is important to note that ERC20 tokens can be created on the Ethereum blockchain with nothing more than a text file. You will also want to be weary of folks who may point a few ASIC devices at your blockchain , effectively raising the difficulty to a level so high that it stalls your chain.
Shortly after release, I had the pleasure of having faithcoin forked by the fine folks who operate Strayacoin - a cryptocurrency created for Australians in honor of Australia Day. The Strayacoin developers reached out, asked a few questions, and basically followed my git commit history in order to successfully create their coin over a 2-day period.
They had a very successful launch with country-wide media attention , a growing community base , and even got their coin listed on an exchange. Through community contributors, Strayacoin was able to develop mobile wallets, a blockchain explorer , multiple mining pools.
They are still going strong but also encountering headwinds with regard to increased scale on their blockchain. Personally, nothing could delight me more than to learn that the strayacoin folks leveraged my work:. That said, all of this highlights the fact that successful cryptocurrencies involve much more than just software.
They require vibrant, active, committed communities that want to leverage the underlying technology. I encourage all who read this article to try their hand at creating their own cryptocurrency. Let me know if you get something up and running in the comments, I am very much interested to hear about the concepts that readers will come up with.
Of course, faithcoin will continue to operate as-is and contributions are always welcome in any form. Header Image: Courtesy of UI8. Log in Sign up. How to Make a Cryptocurrency Using Litecoin v0. Paul DeCarlo. Overview Story Introduction Background Prerequisites 1.
Obtain a working codebase and build it 2. Start renaming things 3. Make testing and deployment easy with Docker 4. Change "magic number" in pch message to a unique value 5. Update base58Prefixes to unique values 6. Create the Genesis Block and associated Merkle Root 7.
Remove dnsseeds and seednodes 8. Set minimum chain work to 0x00 9. Change the default port Deploy a minimum of 2 nodes Create a. Build the wallet Mine some blocks Currently, hashrate for litecoin is Source: Bitinfocharts. Litecoin uses Scrypt algorithm for its reduced block time whereas Bitcoin uses the SHA hash algorithm. One of the critical difference from SHA is that Scrypt can run on the CPU and consumes less energy and hence is popular among individual miners.
Scrypt is memory intensive which means numbers generated by Scrypt are also stored in RAM so that it can be accessed continuously before submitting the result and is faster. The other options are. The worker is used to manage different devices from a single account. We have set up our litecoin wallet and litecoinpool account, now we need to install software for mining. We will use cpuminer software which can be downloaded from here.
In the above config file, litecoin. Save the file in the same location as the cpuminer is unzipped and save it as a. Now we are ready to mine litecoin, double-click on the batch file you have just created.
You better get to know the Litecoin. Here is a full, free mini-course. Litecoin (LTC or Ł) is a peer-to-peer crypto currency and open source. Ripple protocol is built upon a distributed open source Internet protocol, Insights to Bitcoin, Ethereum, Litecoin and other altcoins. Last edit: June 21, , PM by kzv. Merited by Alex_Sr (5), В результате вы получите приватный ключ Litecoin в формате WIF.