Private key - Bitcoin Wiki

Dogecoin giveaway - Comment here to receive 100 doge. Also, AMA about cryptocurrency.

Once you get tipped, click the +accept link that the bot PMs you. You can then see your balance and recent dogetipbot transaction history with +history
I will also be answering any questions you have. I'm a moderator on /dogecoin and have been studying cryptocurrency for almost 3 years. Here's a glossary of terms you may not know which may help spark some questions if you don't know what to ask:
Hash: The result of an algorithm that takes any input data of arbitrary size and produces a fixed size output. It is impossible to discover the input data based on the resulting hash.
Private keys, public keys and addresses (privkey, pubkey, addr): Put simply, a private key is just a number. A really really big number. There are 2 ^ 160 possible private keys, each is a 256 bit integer in binary. Using the ECDSA your private keys correspond to a public key. And a hash of your public key is your wallet address.
Wallet: Software which generates and stores your keys and addresses.
Transaction (tx): A piece of data that contains where coins are coming from (inputs) and where they are going to (outputs). To be valid, your wallet software must sign the transaction with the private keys of all the inputs, this is how ownership of coins is proven.
Block: A data structure used by cryptocurrency networks which contains transactions.
Blockchain: The collection of blocks in a cryptocurrency network. Each new block contains the hash of the previous block, this is required for it to be valid. In this way, blocks are chained together, each one depends on the previous one to be valid.
Proof of work (POW): The process of hashing random data to discover a hash value that is lower than a predetermined number, that number is the "difficulty".
Mining: Miners collect all the transactions on the network and assemble them into a block. Using POW, miners insert random data (called a nonce, aka number used once) into the block and hash the block. When they find a hash value below the target difficulty, the block is considered valid by the rules of the network and miners broadcast the block to the network. The transactions in the block now have 1 confirmation. Miners are also allowed to claim a block reward (sort of a finder's fee) for their work. This incentivizes miners for their work. Mining is what secures the network from attack. If you have 51% of the entire network's mining power, then you can block transactions or even reverse transactions, so it is important that mining remains as decentralized as possible.
Node: A computer that is running cryptocurrency software which generates, validates and relays transactions and blocks. They download and validate the full blockchain. Nodes can also be wallets, this software is often called "core". The network of nodes IS the cryptocurrency network, they are what make the whole thing work. The node software also contains a friendly JSON API which can be used to perform many functions, such as looking up a transaction in the blockchain history.
submitted by peoplma to RedditDayOf [link] [comments]

Ethereum - currently not supported and why

I've not paid any attention to ETH so far, because it simply was of no interest to me personally.
As someone asked about the Address Version Number (AVN) for it, to use the Printer app to generate wallets for it, I had a quick read-up.
Long story short, WalletPrint in its current form cannot be used for ETH / Ethereum, at all.
Why?: Ethereum is too different to Bitcoin. Dogecoin, and other supportable altcoins, use the same code as Bitcoin for turning public keys in to formatted Addresses (just with varying Address Version Numbers).
I currently have no plans to extend the Printer to support Ethereum's different way of doing things. If someone can hand me fully tested and easily-integrated C# code which generates Ethereum Addresses-and-Privkeys sets (ready for direct QR-code encoding) - under a suitable licence for including in a GNU GPLv2 project - then I'll integrate it.
Please don't just say "I think this github project has that". You'll need to identify which functions in what files of your suggested project actually provide what I would need.
submitted by BuxtonTheRed to walletprint [link] [comments]

One of my addresses start with DELTA. Learn to manipulate your wallet addresses in 11 simple steps.

One of my Dogecoin addresses starts with DELTA.
You might think I'm elder godly lucky, but the thing is that we can create several combinations of addresses names provided that we follow simple steps.
I'll teach you those simple steps RIGHT NOW.
1 - Download the Vanitygen.
2 - Unzip the Vanitygen zip at "C:\". It should look like "C:\vanitygen-0.20-win" afterwards.
3 - Go to C:\vanitygen-0.20-win. Press Ctrl + Shift + Right click. It will appear a new option "Open command window here". Open it.
4 - At the command window, right click on the superior part. It'll show "Properties". Open it. Turn the "QuickEdit Mode" on. Press OK. (why?)
5 - At the command window, write exactly:
 vanitygen.exe -X 30 D(what you want) 
In the "(what you want)" part, put guess what. The more complex the combination you want, the more time it takes to calculate it. However, not every combination works. For DELTA, you will write
 vanitygen.exe -X 30 DELTA 
If what you want is not possible, the terminal will say something like "Invalid character 'l' in prefix 'Delta'". In this case, I wanted "Delta", but the char "l" wasn't allowed to be put there.
6 - Provided that the combination of letters worked, the Vanity will generate the address and the private key. After it is done, the terminal will show something like this:
 Difficulty: 4553521 Pattern: DELTA Address: DELTAR2TayY... Privkey: (Private Key) 
7 - With the left click of the mouse, select the (Private Key) and press ENTER. This will copy the Private Key.
8 - Open your wallet. Help -> Debug window -> Console
9 - type exactly:
 walletpassphrase (Insert your password here) 60 
You need that 60 at the end. Don't ask me why.
Then type:
importprivkey (Past the Private Key here) 
The wallet may freeze after this. If it does, then close it and open it again.
11 - If everything is right, your DELTA address will be there.
Sources:
Vanitygen
Copy To the Clipboard From the Windows Command Prompt
Adding key to wallet
submitted by Shibe_Dogeman to dogecoin [link] [comments]

How to create a vanity address

For those interested, you can create a vanity address this way:
1) Download vanitygen from here: https://en.bitcoin.it/wiki/Vanitygen
2) run:
vanitygen -X 50
where is an address you are interested in. They must start with "M" and the second character can be between 7-9 and A-X (not capitol I or O, as those are not base58).
An example:
vanitygen -X 50 -i Mcrypt
ran for a while, and gave me my new address of:
Address: MCrypTZRTRk8RGjSt3MZ3atSEwSLPicePR, Privkey:
You can then import that address into myriadcoin-qt from the console with:
importprivkey
edit: added the "-i" option for case insensitivity.
submitted by cryptapus to myriadcoin [link] [comments]

One of my addresses start with DELTA. Learn to manipulate your wallet addresses in 11 simple steps.

One of my Dogecoin addresses starts with DELTA.
You might think I'm elder godly lucky, but the thing is that we can create several combinations of addresses names provided that we follow simple steps.
I'll teach you those simple steps RIGHT NOW.
1 - Download the Vanitygen.
2 - Unzip the Vanitygen zip at "C:\". It should look like "C:\vanitygen-0.20-win" afterwards.
3 - Go to C:\vanitygen-0.20-win. Press Ctrl + Shift + Right click. It will appear a new option "Open command window here". Open it.
4 - At the command window, right click on the superior part. It'll show "Properties". Open it. Turn the "QuickEdit Mode" on. Press OK. (why?)
5 - At the command window, write exactly:
 vanitygen.exe -X 30 D(what you want) 
In the "(what you want)" part, put guess what. The more complex the combination you want, the more time it takes to calculate it. However, not every combination works. For DELTA, you will write
 vanitygen.exe -X 30 DELTA 
If what you want is not possible, the terminal will say something like "Invalid character 'l' in prefix 'Delta'". In this case, I wanted "Delta", but the char "l" wasn't allowed to be put there.
6 - Provided that the combination of letters worked, the Vanity will generate the address and the private key. After it is done, the terminal will show something like this:
 Difficulty: 4553521 Pattern: DELTA Address: DELTAR2TayY... Privkey: (Private Key) 
7 - With the left click of the mouse, select the (Private Key) and press ENTER. This will copy the Private Key.
8 - Open your wallet. Help -> Debug window -> Console
9 - type exactly:
 walletpassphrase (Insert your password here) 60 
You need that 60 at the end. Don't ask me why.
Then type:
importprivkey (Past the Private Key here) 
The wallet may freeze after this. If it does, then close it and open it again.
11 - If everything is right, your DELTA address will be there.
Sources:
Vanitygen
Copy To the Clipboard From the Windows Command Prompt
Adding key to wallet
submitted by Shibe_Dogeman to dogecoin [link] [comments]

One of my addresses start with DELTA. Learn to manipulate your wallet addresses in 11 simple steps.

One of my Dogecoin addresses starts with DELTA.
You might think I'm elder godly lucky, but the thing is that we can create several combinations of addresses names provided that we follow simple steps.
I'll teach you those simple steps RIGHT NOW.
1 - Download the Vanitygen.
2 - Unzip the Vanitygen zip at "C:\". It should look like "C:\vanitygen-0.20-win" afterwards.
3 - Go to C:\vanitygen-0.20-win. Press Ctrl + Shift + Right click. It will appear a new option "Open command window here". Open it.
4 - At the command window, right click on the superior part. It'll show "Properties". Open it. Turn the "QuickEdit Mode" on. Press OK. (why?)
5 - At the command window, write exactly:
 vanitygen.exe -X 30 D(what you want) 
In the "(what you want)" part, put guess what. The more complex the combination you want, the more time it takes to calculate it. However, not every combination works. For DELTA, you will write
 vanitygen.exe -X 30 DELTA 
If what you want is not possible, the terminal will say something like "Invalid character 'l' in prefix 'Delta'". In this case, I wanted "Delta", but the char "l" wasn't allowed to be put there.
6 - Provided that the combination of letters worked, the Vanity will generate the address and the private key. After it is done, the terminal will show something like this:
 Difficulty: 4553521 Pattern: DELTA Address: DELTAR2TayY... Privkey: (Private Key) 
7 - With the left click of the mouse, select the (Private Key) and press ENTER. This will copy the Private Key.
8 - Open your wallet. Help -> Debug window -> Console
9 - type exactly:
 walletpassphrase (Insert your password here) 60 
You need that 60 at the end. Don't ask me why.
Then type:
importprivkey (Past the Private Key here) 
The wallet may freeze after this. If it does, then close it and open it again.
11 - If everything is right, your DELTA address will be there.
Sources:
Vanitygen
Copy To the Clipboard From the Windows Command Prompt
Adding key to wallet
submitted by Shibe_Dogeman to dogecoin [link] [comments]

I have a private key that doesn't have any BitCoins associated with it, but I am lead to believe that this key is a "seed" for a deterministic wallet with BitCoins on it. How do I test this out?

For reference, read this: https://en.bitcoin.it/wiki/Deterministic_wallet
For a simplified explanation, it takes a private key, does math, and creates a new private key.
I have a public address and a private key on a paper wallet that aren't connected...at first glance. But I have reasons to believe they are associated somehow, because why else would they be the only 2 keys on a paper wallet?
Can someone who understands this better do some explaining? From what I understand, it's basically (pubkeypubkey)=(privkeyprivkey), or something where they do (privkey+n)=new_privkey, where n=1,2,3,4...
I'm aware that Armory and some other programs are supposed to be able to do these things, but I'm not sure how.
submitted by ardy98765 to Bitcoin [link] [comments]

Such dogecoin much vanity wow

Bored of the same old addresses? Random gibberish in your addresses got you confused? Try a vanity address! Instead of D5QG7d8Kt1Ma23oCqvU5Gjvkjv9KZxmC4x you'll get something like DFatherM2z6dscSFBtKS7yD9DHpF42pimF
Shibe 1: Download this https://en.bitcoin.it/wiki/Vanitygen
Shibe 2: Make / open the file you downloaded. (If you're new to this, and using windows, you need to get to the folder you unzipped through the command prompt.)
Shibe 3: Run the command ./vanitygen -X 30 DKeyword
Shibe 4: Dig.
Shibe 5: Once it has found a match, copy the privkey. Open up the Dogecoin QT client.
Shibe 6: Go to Help > Debug > Console
Shibe 7: Type importprivkey PRIVKEYCOPYHERE labelofkey
Shibe 8: The most important step, have fun with your new vanity address.
Such vanity: DFatherM2z6dscSFBtKS7yD9DHpF42pimF
submitted by Shadedjon to dogecoin [link] [comments]

One of my addresses start with DELTA. Learn to manipulate your wallet addresses in 11 simple steps.

One of my Dogecoin addresses starts with DELTA.
You might think I'm elder godly lucky, but the thing is that we can create several combinations of addresses names provided that we follow simple steps.
I'll teach you those simple steps RIGHT NOW.
1 - Download the Vanitygen.
2 - Unzip the Vanitygen zip at "C:\". It should look like "C:\vanitygen-0.20-win" afterwards.
3 - Go to C:\vanitygen-0.20-win. Press Ctrl + Shift + Right click. It will appear a new option "Open command window here". Open it.
4 - At the command window, right click on the superior part. It'll show "Properties". Open it. Turn the "QuickEdit Mode" on. Press OK. (why?)
5 - At the command window, write exactly:
 vanitygen.exe -X 30 D(what you want) 
In the "(what you want)" part, put guess what. The more complex the combination you want, the more time it takes to calculate it. However, not every combination works. For DELTA, you will write
 vanitygen.exe -X 30 DELTA 
If what you want is not possible, the terminal will say something like "Invalid character 'l' in prefix 'Delta'". In this case, I wanted "Delta", but the char "l" wasn't allowed to be put there.
6 - Provided that the combination of letters worked, the Vanity will generate the address and the private key. After it is done, the terminal will show something like this:
 Difficulty: 4553521 Pattern: DELTA Address: DELTAR2TayY... Privkey: (Private Key) 
7 - With the left click of the mouse, select the (Private Key) and press ENTER. This will copy the Private Key.
8 - Open your wallet. Help -> Debug window -> Console
9 - type exactly:
 walletpassphrase (Insert your password here) 60 
You need that 60 at the end. Don't ask me why.
Then type:
importprivkey (Past the Private Key here) 
The wallet may freeze after this. If it does, then close it and open it again.
11 - If everything is right, your DELTA address will be there.
Sources:
Vanitygen
Copy To the Clipboard From the Windows Command Prompt
Adding key to wallet
submitted by Shibe_Dogeman to dogecoin [link] [comments]

FlappyCoin Vanity Addresses!

This isn't listed in the vanitygen article on the Bitcoin wiki, but I've signed up and will change that when I have edit permissions.
You can use vanitygen to generate vanity addresses for FLAP, using this syntax:
vanitygen -X 35 FAddr 
Where "FAddr" is the prefix you want. So on Windows, it looks like this:
C:\vanitygen-directory>.\vanitygen.exe -X 35 FKef Difficulty: 78508 Pattern: FKef Address: FKefWRgvD4gZ8h5D9CvL9NUW8tZkSzSj1m Privkey: 6V822JnB8FujG8DF4cyj3GSHx52rWNSQWeTwbXsam8ZUhgscjBN 
Of course, this is now an insecure address because I posted the private key on reddit. But you get the idea.
You can download vanitygen as an executable program, or download the source and compile it yourself. There are links on this page: https://en.bitcoin.it/wiki/Vanitygen
Also, to import the private key into your wallet, do this:
  1. Open the Debug Console by clicking Help > Debug WIndow > Console
  2. Unlock your wallet for, say, 120 seconds, with "walletpassphrase YOUR_PASSPHRASE 120"
  3. Type "importprivkey PRIVATE_KEY" using the private key vanitygen gave you
  4. You may need to look in your "Addresses" list in the wallet and label your new address before it is listed in the "Receive" list.
submitted by Kefkius to flappycoin [link] [comments]

Any DOGE client supporting 2 n 2 multi-sig-TXs?

Any DOGE client supporting 2 n 2 multi-sig-transactions?
I am talking about the "basic" 2 n 2 multi-sig deposit transactionts. That secures the users funds on services.
From: https://en.bitcoin.it/wiki/BIP_0011
"A wallet secured by a "wallet protection service" (WPS). 2-of-2 signatures required transactions will be used, with one signature coming from the (possibly compromised) computer with the wallet and the second signature coming from the WPS. When sending protected bitcoins, the user's bitcoin client will contact the WPS with the proposed transaction and it can then contact the user for confirmation that they initiated the transaction and that the transaction details are correct. Details for how clients and WPS's communicate are outside the scope of this BIP. Side note: customers should insist that their wallet protection service provide them with copies of the private key(s) used to secure their wallets that they can safely store off-line, so that their coins can be spent even if the WPS goes out of business."
Any DOGE client supporting 2 n 2 multi-sig-transactions?
And is there an Electrum DOGE fork/port? Electrum is supposed to be the first client supporting multi-sig-tx with easy interface/GUI. (No super complex fuckup with pubkeys, privkeys, 200 char redeem scripts, etc.)
submitted by foooock to dogecoindev [link] [comments]

Cómo extraer Bitcoin en Windows, Android y Iphone »Wiki ... The Greatest Guide To How to Invest in Bitcoin: 14 Steps ... Comment miner Bitcoin sur Windows »wiki utile Logiciel de ... An Unbiased View of Bitcoin - Wikipedia - YouTube The Single Strategy To Use For Bitcoin - Wikipedia - YouTube

sweepprivkey is a PROPOSED Bitcoin RPC command that, given a Bitcoin private key, allows sweeping of some or all of the funds to another address. Despite this specification, this proposal has never been implemented, and cannot be considered for inclusion until it is. This function is useful for merchants who wish to accept typed or scanned Bitcoin private keys as payments, without imposing any ... Private Key - Bitcoin Wiki. This page contains sample addresses and/or private keys. Do not send bitcoins to or import any sample keys; you will lose your money. A private key in the context of Bitcoin is a secret number that allows bitcoins to be spent.Every Bitcoin wallet contains one or more private keys, which are saved in the wallet file.The private keys are mathematically related to all ... Xbtc is a proposed URI scheme for Bitcoin, competing against the bitcoin URI scheme. The first version of the specification was created by Zarutian, but the first version of this wiki page included modifications by theymos. The main design goal is to produce URIs that are concise enough to fit in a size-limited QR code, but clear enough to be easily human-readable. From Bitcoin Wiki. Jump to: navigation, search. This page contains sample addresses and/or private keys. Do not send bitcoins to or import any sample keys; you will lose your money. A private key in the context of Bitcoin is a secret number that allows bitcoins to be spent. Every Bitcoin wallet contains one or more private keys, which are saved in the wallet file. The private keys are ... From Bitcoin Wiki. Jump to: navigation, search. Signet is a proposed new test network for the Bitcoin block chain which adds an additional signature requirement to block validation. Signet is similar in nature to testnet, but more reliable and centrally controlled. There is a default signet network ("Signet Global Test Net VI" as of this writing), but anyone can run their own signet network at ...

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Cómo extraer Bitcoin en Windows, Android y Iphone »Wiki ...

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