A community dedicated to Bitcoin, the currency of the Internet. Bitcoin is a distributed, worldwide, decentralized digital money. Bitcoins are issued and managed without any central authority whatsoever: there is no government, company, or bank in charge of Bitcoin. You might be interested in Bitcoin if you like cryptography, distributed peer-to-peer systems, or economics. A large percentage of Bitcoin enthusiasts are libertarians, though people of all political philosophies are welcome.
06-10 16:54 - 'bitcoin trick' (self.Bitcoin) by /u/LuckyWarGod removed from /r/Bitcoin within 71-81min
''' Notice why the fees and blockchain traffic are high? Because we are exploiting this thing right now!!! Join, Transfer BTC to another bitcoin wallet address, rinse & repeat! Unlimited BTC! 🌐Link: [[link]2 📋Featured in 4chan /biz/ board [link]3 ''' bitcoin trick Go1dfish undelete link unreddit undelete link Author: LuckyWarGod 1: *te*an***c.c*m**fbc*id=I*AR0VQ6La3S*mBYTxrtrnKu*9P6up**j*37*k*T*4EuczU***neNwdOlEsqk 2: stefan-btc*c****^^1 3: preview.redd**t/*h10p6*rq3*51.png?w*dt*=92*&am****rma*=png*amp*auto=web*&am*;s=f1*4*06*7c*2*61d8*a*a*d6*d0c*680**700*bf Unknown links are censored to prevent spreading illicit content.
How to generate a Private Address with your mind and other nice Bitcoin tricks!
Warning: Using anything but true randomness to generate your keys , always increases the risk of the key being guessed. (Which is still super extremely low if done properly). This post has nothing to do with Brainwallet, but should be able to give you an insight to Bitcoin adresses and how easy it is to create your own key in an offline and software-less situation. You can use this:
If you don't trust software generators or your computer's random generator. You could generate a key by rolling a dice or picking random balls from a bag.
If you're meeting with somebody you trust, want to exchange money but don't have no software, phone or technology on you. Just a piece of paper.
You could create a private address on the spot and share with the other party. Once at home you load it with Bitcoins and the other one can take them. Now, generating the public address from the private key is something MUCH more difficult to do without software assistance. But still, knowing how to create a private key with little to no software assistance could prove useful. Your private key is just a Random Number. Nothing fancy, nothing shiny and nothing special. Just a long-ass random number. How long? It's got 256 digits in binary, which is a long string of 256 1's and 0's. But the same number can also be expressed in just 64 digits if we do it in base 16 (hexadecimal). This hexadecimal number can also be imported by many of the current popular bitcoin applications such as armory, electrum or blockchain.info (haven't tried any others). Once imported, the software will then, probably, convert that number to Base58 also called the "Wallet import Format". This is the format you're probably familiar with that starts with a 5 and that includes some security checks. But we don't need to be able to create a base58 number. Just a 64 digits base 16 number, which is much easier and most applications will be able to import it. Generate your own Private key: You can either do it in your mind or find a random device with at least 16 outputs. Remember that the quality and security of the key depends on the randomness. But, while it is true that the human mind is biased when writing down random numbers, in the end this is no easier to guess than a good passphrase. These are the random numbers you can choose from: 0 1 2 3 4 5 6 7 8 9 a b c d e f Just treat the letters as if they were numbers and write down one random number, 64 times. At the end you'll have a 64 digit, hexadecimal, random or semi-random number. Just import it, without spaces, to your favourite application and it will generate the public address for you. That's it! You're done! As you can guess, this also means that "Funny" private keys such as: 777777777... (64 times) 314159265... (the number pi) 123456789... (a number succession) Are very well possible and can be tried out! I would strongy advice against using them to hold any bitcoins, but it's interesting to keep those "Funny" addresses in mind. Funfact: The number you've been "generating" is by far larger than the amount of atoms on the whole planet. Generating private keys with /dev/random If you're on a linux machine, then you have access to this great device called /dev/random. Most Bitcoin softwares use a different device called /dev/urandom (notice the extra u) to generate the addresses because it is faster. The "urandom" output is pseudorandom and not truly random... this allows it to be faster and output numbers at a much higher rate, but the randomness offered by /dev/random is much better. (Although it may take a few seconds to generate a key). Write this command in a terminal:
od -An -N32 -x /dev/random
This should provide you with a 64 digit hexadecimal number which will work excellently as a random private key. (but you must remove the spaces). Generating a Brainwallet offline Create your own brainwallet without using brainwallet.org.
echo -n "your passphrase" | shasum -a 256
The -n option removes the new line that "echo" usually appends and the | sign processes the output you wrote to the next command which will create a 256 bit long hash from it. The hash will be in hexadecimal and, yes you guessed right, it will be 64 digits long. This will, by the way, give you exactly the same private key as brainwallet.org, but can be used offline on a fresh booted live-cd without needing to connect to the internet, for example. Finally, You must know, that for the keys to be accepted by Bitcoin software, they must be larger than 1 and smaller than FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFE BAAE DCE6 AF48 A03B BFD2 5E8C D036 4141. So, as long as you don't start with 31 consecutive F's when manually generating your key, it will be valid. More information about this. I hope you like it! Credit also goes to Flatfly and DannyHamilton who helped me out on the Bitcointalk forums.
The following post by that-ilocano-man is being replicated because the post has been silently removed. The original post can be found(in censored form) at this link: np.reddit.com/ Bitcoin/comments/7xo1kj The original post's content was as follows:
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After 4Years of winning and losing in many websites, Now i know everything about them and i want to share my experiences with everyone. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. On this channel you can find lots of useful tips and tricks for earning, spending, and collecting bitcoins and other cryptocurrency's!!! I hope you ENJOY!!! ... Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. Multistreaming with https://restream.io/ Bitcoin Steuern - Tipps, Tricks & Tools Hallo und herzlich Willkommen zum CryptoMonday, dem größten Blockchain, Bitc...