Public Key (öffentlicher Schlüssel) - BitcoinWiki

Zcash

Bitcoin and most cryptocurrencies expose your entire payment history to the public. Zcash is the first open, permissionless cryptocurrency that can fully protect the privacy of transactions using zero-knowledge cryptography.
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Online privacy, anonynmyity, encryption and freedom of speech with an NZ focus

A subreddit for New Zealand Redditors to discuss issues surrounding online privacy, anonymity and related issues. Discussion topics can include anything from protecting your privacy online to surfing anonymously, freedom of speech, anti-censorship, encrypted communications, information sharing, government/corporate leaks, hacking. Hopefully we can have a few tutorials about how to remain anonymous online and communicate anonymously. Illegal activities may be discussed, throwaways are encouraged.
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Mastercoin

[Mastercoin](www.mastercoin.org) is a new protocol layer being built on top of bitcoin
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Explain the math behind cracking a public key. Is it really safe? (x-post from /r/Bitcoin)

submitted by ASICmachine to CryptoCurrencyClassic [link] [comments]

Just curious, Can you create a 2 multisig addresses with the same public keys? (x-post from /r/Bitcoin)

submitted by ASICmachine to CryptoCurrencyClassic [link] [comments]

iOS app to monitor transactions a list of wallets? (Via public keys) (x-post from /r/Bitcoin)

submitted by ASICmachine to CryptoCurrencyClassic [link] [comments]

In Wallex Bitcoin trading, the public account is your number, while the private address is your pin. Never reveal your private key --this is a brief idea about Bitcoin. Reach out to Wallex Trust to find out more about Wallex Bitcoin currency trading at www.wallextrust.com/

In Wallex Bitcoin trading, the public account is your number, while the private address is your pin. Never reveal your private key --this is a brief idea about Bitcoin. Reach out to Wallex Trust to find out more about Wallex Bitcoin currency trading at www.wallextrust.com/ submitted by pagz5254 to Wallex_Trust [link] [comments]

What if I send Bitcoins to an incorrect public key?

I am just curious about it. What happens if I send bitcoins to an invented public key? Will I get a “rejected transaction” message or something like that?
submitted by dconcepm to Bitcoin [link] [comments]

Craig Wright's Fraudulent Tulip Trust List is now public. Early miners can now check and see if Craig is claiming access to any of their Bitcoin while he promotes to Calvin Ayre an asinine plan to somehow have the court order those Bitcoin be transferred without a private key.

submitted by Zectro to btc [link] [comments]

08-31 07:38 - 'Did you read [this]? / You can do it by checking the public keys with another online device, (the lap top or your phone) install electrum on 2 devices (1 offline forever, and 1 online) the one online is used to watch the tran...' by /u/Saman93 removed from /r/Bitcoin within 479-489min

'''
Did you read [this]1 ?
You can do it by checking the public keys with another online device, (the lap top or your phone) install electrum on 2 devices (1 offline forever, and 1 online) the one online is used to watch the transactions and make unsigned transaction and the one offline to sign them
'''
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1: e*ec*rum.*eadthe*ocs*i*/en/lates***oldsto**ge*html
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submitted by removalbot to removalbot [link] [comments]

08-31 08:38 - '[quote] No. Tails forgets all data upon reboot. You have to have a paper/metal/brain-backup of the seed. / You import the master-PUBLIC-key into an online system, for example Electrum running on your Android phone or table...' by /u/Thanatos_1 removed from /r/Bitcoin within 667-677min

'''
does the “cold device” in these cold storage mechanisms essentially just hold your private key and your latest known balance?
No. Tails forgets all data upon reboot. You have to have a papemetal/brain-backup of the seed.
You import the master-PUBLIC-key into an online system, for example Electrum running on your Android phone or tablet. That system knows your balance, because it is online and can derive all addresses from the master-public-key. But it can't sign any transaction, because it doesn't have the seed.
If you want to spend, you create an unsigned transaction on the online-installation, transfer it to the offline system, check it, sign it, double check it, transfer the signed transaction to the online system and then broadcast it from there. Sounds more complicated than it is. Works really good with QR-codes.
Here are some old videos explaining the process. The software has changed slightly in the meantime, but the process should be made clear form watching that. The first video is now actually redundant, because Tails exists and you don't have to create your own Linux live system that has Electrum.
[link]1
[link]2
[link]3
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1: w*w.y*utu*e.***/watch*v=*9K3Co*QpzM 2: www**ou*u**.*om/watch*v*WK4JmfMCD*g 3: www.yo***be.com/*a*ch?v=*BVyF**6Z*c
Unknown links are censored to prevent spreading illicit content.
submitted by removalbot to removalbot [link] [comments]

Craig Wright's Fraudulent Tulip Trust List is now public. Early miners can now check and see if Craig is claiming access to any of their Bitcoin while he promotes to Calvin Ayre an asinine plan to somehow have the court order those Bitcoin be transferred without a private key.

submitted by Zectro to Bitcoin [link] [comments]

Craig Wright's Fraudulent Tulip Trust List is now public. Early miners can now check and see if Craig is claiming access to any of their Bitcoin while he promotes to Calvin Ayre an asinine plan to somehow have the court order those Bitcoin be transferred without a private key.

submitted by Zectro to CryptoCurrency [link] [comments]

08-20 00:35 - 'Bitcoin uses cryptographic key "pairs" / There is a public address and a private key (long string of letters and numbers for each) / A simple way to understand it is a username(public address) and a password to allow s...' by /u/UncleBitcoinJones removed from /r/Bitcoin within 7-17min

'''
Bitcoin uses cryptographic key "pairs"
There is a public address and a private key (long string of letters and numbers for each)
A simple way to understand it is a username(public address) and a password to allow sending money from that address(Private key do not share)
That is basically the gist right there.
Remember Bitcoin is a network so there are many many options from hundreds of vendors and open source projects to simplify the process and access the Bitcoin for you. These are called wallets. They manage your key pairs for you. To back up a wallet you write down a 24 word seed phrase(private do not share) this will allow you the leisure of not storing every single address you own and let the wallet store them for you. If your wallet is destroyed or lost this seed phrase is how you recover your coins. Only use trusted wallets that this sub can recommend you, use the search bar.
You can get Bitcoin by earning it. ORRR trading from an exchange. Depending on your country and local laws this could be various different places. But generally Kraken, Gemini, and Binance are the most popular.
Remember however, if your Bitcoin is not in your wallet or you do not have the key pairs it is in, then you do not own the Bitcoin. Keeping your Bitcoin on an exchange or another 3rd party is highly risky and vulnerable to hacks or the exchange just straight up stealing your funds or even government stealing your funds.
So: Not your keys not your coins.
Plus: Don't use Bitcoin "Doublers" or anyone claiming if you send them bitcoin they will send you back double.
Plus: Don't buy altcoins, ICOs, or get involved with defi.
Recap: [link]1
'''
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Author: UncleBitcoinJones
1: you*u*be/*szOt**OjXU
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submitted by removalbot to removalbot [link] [comments]

Lmao... so they just openly perjured themselves by admitting they have the private keys to some of the stolen Bitcoin...? good job Ira. This is exactly what CSW has been waiting for. Now he'll drop proof of his ownership with public documents. HONEYPOT.

Lmao... so they just openly perjured themselves by admitting they have the private keys to some of the stolen Bitcoin...? good job Ira. This is exactly what CSW has been waiting for. Now he'll drop proof of his ownership with public documents. HONEYPOT. submitted by BSVForever to bitcoincashSV [link] [comments]

Identity Verification on the Tangle

ID verification using the tangle
Using the tangle and the bitcoin signature scheme, I created a proof of concept for verifying identity and reducing the need for continuous document uploads to prove your identity everytime you want to do something in finance.

Introduction
The limitations of the iota tangle are that signed zero value transactions require MAM channels, and valid addresses change frequently. So using Bitcoin addresses which are known, and familiar, verifiers ('Trusted entities') of identity can sign on the authenticity of documents.

How it works
An entity with a known bitcoin address belonging to a trusted entity can review documentation, and sign as to their contents. Think of banks, insurance companies even governments.
Use case: John Smith wants to open a loan at the bank, but as part of the banks KYC requirements they need to review some documents to prove he is indeed John Smith. So he submits his passport, and the bank verifies this. The bank can now create a transaction, proving that John Smith is indeed John Smith, by simply creating a zero value transaction on the tangle.
This zero value transaction is signed with the private key of the bank, and contains all of John's information in text format. This example it is only his name 'John Smith'. The bank has verified his information by cross checking his passport, and shares with him the public transaction hash and their public key (Bitcoin address).
John later goes to an crypto exchange which once again is requesting his passport. He now only needs to provide the exchange with his Name, the TX hash and the Bitcoin address that verified his information. If the exchange trusts the Banks KYC procedures, they can approve his information without needing his documents to be uploaded again. Thus saving the need to store it!
Expanding
This concept will probably die here, but this could go much further the type of information that can be sent in tx bundles, could include address, name, ssn, and maritial status. Perhaps even compressed and digested ID photos could also be uploaded, so everything to his identity could be kept in the hands of those he trusts.
Conclusion
There will always be a need for banks and governments to verify your identity, but hopefully this can assist in reducing the burden on small entities, while John maintains his privacy through the trust of smaller firms on larger ones.

Example
https://thetangle.org/transaction/VRVMBY9BFMPL9DUXCBRHSJHNPVXVTPAXIUUPXINIMRSKXUOAOXJIBAFHZVCKONGPYWBDQWAOYSKYZ9999
https://www.blockchain.com/btc/address/1Fmaj8DC5WoGu4cdB6uTkqM4LYGK1M91Vi

Github
submitted by Pergamum_ to Iota [link] [comments]

Theoretically, if there was a vulnerability making private keys derivable from public keys would Bitcoin be doomed?

I'm trying to understand how Bitcoin would respond. Would it find a new way or would that be impossible? In the event that someone could break elliptical curve private public key encryption.
submitted by Stack3 to Bitcoin [link] [comments]

Lmao... so they just openly perjured themselves by admitting they have the private keys to some of the stolen Bitcoin...? good job Ira. This is exactly what CSW has been waiting for. Now he'll drop proof of his ownership with public documents. HONEYPOT.

Lmao... so they just openly perjured themselves by admitting they have the private keys to some of the stolen Bitcoin...? good job Ira. This is exactly what CSW has been waiting for. Now he'll drop proof of his ownership with public documents. HONEYPOT. submitted by BSVForever to bitcoinsv [link] [comments]

How to convert my public key to a bitcoin address using python?

Hello,
I'm playing with a little python script to understand how bip32 works.
I can successfully generate my public key using bip32 python module.
pub_key = bip32.get_pubkey_from_path("m/44'/0'/0'/0/0") print(binascii.hexlify(pub_key))
How can I convert my public key to a Bitcoin address ? Should I implement https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses ?
Or can I use another python module for this?
submitted by kikimeter to Bitcoin [link] [comments]

Instead of public keys, can we just call them Bitcoin accounts?

submitted by the420chronicler to Bitcoin [link] [comments]

Bitcoin Extended Public Key Converter Open Source

submitted by 5tu to BitcoinTechnology [link] [comments]

Do we get different bitcoin addresses when using compressed public key vs an uncompressed public key?

submitted by Ncell50 to BitcoinBeginners [link] [comments]

Wallet ID and extended public key in Bitcoin.com wallet?

Hi guys,
When i open my bitcoin.com wallet and click on wallet information, i see there is a bunch of numbers and letters indicating my wallet ID and public key. Should i be writing this information on a piece of paper like my 12 word seed phrase?
Is it important information?
submitted by Ivaylo12 to btc [link] [comments]

Encryption with Bitcoin

You can sign a message with a bitcoin private key which can be verified with a public key/bitcoin address, right?
So if I'm understanding my cryptography correctly, you should be able to encrypt a file with a public key which can only be decrypted with a private key. (Would a bitcoin address work for the public key?). Or is this just something that Bitcoin's cryptography isn't capable of?
If it is possible, has any thought been given to implementing this?
submitted by Richy_T to Bitcoin [link] [comments]

Looking for how to most safely get some specific characters in a bitcoin public key adress

Hi there, I'm wondering how can I generate from my private key, a public key with, for example : 5 specific characters at the beginning or end ? exactly like the archive.org did with it's donation adress containing "1Archive****" . And asking : can it be done relatively safely ? Can someone please link some reliable sources on how to do it ? thanks guys !
submitted by cryptocibin to Bitcoin [link] [comments]

Cracking Bitcoin Private Keys in Seconds - YouTube Getting your Private Keys from the Bitcoin Core wallet ... Ein Private Key einfach erklärt  Miniserie Bitcoin private Key and Address with balance generator ... Bitcoin Visual private key generator (16x16 square) - YouTube

Du installierst und verwendest eine Bitcoin-Wallet. Dabei erhältst Du ein „Passwort“ (Private Key) und erstmal eine einzige, aktuelle „Kontonummer“ (Public Address). Du gibst der Person, die Dir Bitcoin senden will, diese aktuelle Public Address. Daraufhin überweist die Person Dir dann die passende Kryptowährung (auf die Public Address). Bitcoin-Adressen sollte man nicht mehrfach verwenden. Stattdessen sollten Bitcoiner ihren Extended Public Key herausfinden und publizieren. How are public keys used in Bitcoin? You can give your public key away to people so that they can include it in the the locking script of an output when they create a transaction. We can give people our public key so that they can send us bitcoins. This is called Pay-To-Pubkey . However, in Bitcoin we now more commonly hash160 our public key before giving it away. The public key is then used ... As mentioned, there is also a public key. This causes some confusion, as some people assume that a bitcoin wallet address and the public key are the same. That is not the case, but they are mathematically related. A bitcoin wallet address is a hashed version of your public key. Every public key is 256 bits long — sorry, this is mathematical stuff — and the final hash (your wallet address ... A database of all bitcoin private keys with automatic balance checker. Every bitcoin address is on this website, including yours. Try a random page, maybe you'll get lucky

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Cracking Bitcoin Private Keys in Seconds - YouTube

Bitcoin private Key and Address with balance generator https://www.emoneyspace.com/keygenerator Free BitCoin Android App https://data.hu/get/11515002/Coin-ap... https://GeorgeLevy.com/Free presents: In this video, I answer the following question from one of the students of the Blockchain and Bitcoin Fundamentals cour... In this tutorial we are going to get our private keys from the bitcoin core wallet. This only works when you created the bitcoin address in the same wallet. ... Bitcoin Q&A: What is a private key? - Duration: 18:18. aantonop Recommended for you. 18:18. Strange answers to the psychopath test Jon Ronson - Duration: 18:02. TED Recommended for you. 18:02 ... By now you have most probably already heard of the term Public & Private keys, but what exactly are they and more to the point what do they even do? Note, 20...

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