Search results “Bitcoin qt export private key certificate”
Public & Private Keys Explained (Litecoin/Bitcoin)
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, 204 Tresvigintillion is the amount of time a standard desktop PC would take to crack a key - via Howseucreismypassword.net Bloomberg Video: http://www.bloomberg.com/news/videos/b/9a33c478-516f-4fc9-8a11-0e9cb7c5b066) 🎧 Music: ♪ Kontinuum - Aware ♪ L'impératrice - Vanille Fraise
Views: 78343 LitecoinDotCom
Bitcoin Private fork   How to import private keys and claim BTCP
Bitcoin Private successfully hard forked from Bitcoin and ZClassic and is now safe to claim. This video will show you how to import your private keys and claim yours MAKE SURE YOU SEND ALL FUNDS OUT OF YOUR TEMPORARY WALLET BEFORE YOU IMPORT YOUR PRIVATE KEYS TO CLAIM YOUR BTCP Bitcoin Private website: https://btcprivate.org/ Find me on FB here: http://goo.gl/3P3PXK
Views: 3828 CaptainKip21
HOW TO IMPORT COOL GEEKS PREPAID BITCOIN TO BLOCKCHAIN Please download this if Missing Import/Export from your blockchain here: https://drive.google.com/file/d/0BzBs1EHsgr_LLTRFU1dadFlKYnc/view?usp=sharing
Views: 1253 Zed Gucci
Keeping your private keys secure
Public and private keys - how to use the former one on your daily basis and how to protect the latter against access by an unauthorized persons. Security precautions in cryptocurrency world are a must! Without them you will quickly lose your funds. For the purpose of educating yourself, watch this video and everything will become clear and simple. More content available on https://www.binance.vision
Views: 1402 Binance Academy
How to Generate a New Private Key in Cpanel
How to Generate a New Private Key in Cpanel
Views: 3164 Imtutorial xyz
SSL Private Key Read from PFX File IIS Extract And View
Download and install OPEN SSL : http://www.gc14.com/hcon/downloads/openssl-0.9.8h-1-setup.rar Open Command Prompt - as Administrator Change directory to where you installed OPENSSL Sub-Directory is : BIN Example : CD C:\Program Files (x86) \GnuWin32\bin Type : openssl to activate OPENSSL Prompt At the OPENSSP Prompt: Enter : pkcs12 -in [YourPFXFile.pfx] -nocerts -out privatekey.pem -nodes Example : pkcs12 -in mail_YourDomain_com.pfx -nocerts -out privatekey.pem -nodes
Views: 2554 F-ZERO
John the Ripper: How to Recover Your PGP Private Key Password
Please check out my Udemy courses! Coupon code applied to following links.... Kali Linux Hands-on Penetration Testing Labs: https://www.udemy.com/kali-linux-hands-on-penetration-testing-labs/?couponCode=TENDOLLARS Network Security Analysis Using Wireshark, Snort, and SO: https://www.udemy.com/network-security-analysis-using-wireshark-snort-and-so/?couponCode=TENDOLLARS Snort Intrusion Detection, Rule Writing, and PCAP Analysis: https://www.udemy.com/snort-intrusion-detection-rule-writing-and-pcap-analysis/?couponCode=TENDOLLARS Description: This video will show you how to use dictionary and brute force password cracking methodology to recover PGP private key passwords. The tool which is used for this purpose is John the Ripper Bleeding Jumbo version on Kali Linux. The following URLs is where you can acquire JTR and the crackstation wordlist: https://github.com/magnumripper/JohnTheRipper https://crackstation.net/buy-crackstation-wordlist-password-cracking-dictionary.htm
Views: 8521 Jesse Kurrus
IoP core wallet - how to get your private key
Each IoP address has its own private key. Find out more in the following article on the IoP blog: https://iop.global/change-addresses/ ____________________________ Visit: https://iop.global Join: https://t.me/IoPofficial
Views: 93 Internet of People
SSH Private Key Password Recovery
How to recover password for ssh-private Key. !!!
Views: 1364 LiveOverStrong
Blockchain tutorial 15: Convert public, private key pairs to addresses
This is part 15 of the Blockchain tutorial explaining why some Blockchain implementations convert public, private key pairs to addresses. In this video series different topics will be explained which will help you to understand blockchain. Bitcoin released as open source software in 2009 is a cryptocurrency invented by Satoshi Nakamoto (unidentified person or group of persons). After the introduction of Bitcoin many Bitcoin alternatives were created. These alternate cryptocurrencies are called Altcoins (Litecoin, Dodgecoin etc). Bitcoin's underlying technology is called Blockchain. The Blockchain is a distributed decentralized incorruptible database (ledger) that records blocks of digital information. Each block contains a timestamp and a link to a previous block. Soon people realises that there many other use cases where the Blockchain technology can be applied and not just as a cryptocurrency application. New Blockchain platforms were created based on the Blockchain technology, one of which is called Ethereum. Ethereum focuses on running programming code, called smart contracts, on any decentralized application. Using the new Blockchain platforms, Blockchain technology can be used in supply chain management, healthcare, real estate, identity management, voting, internet of things, etcetera, just to name a few. Today there is a growing interest in Blockchain not only in the financial sector but also in other sectors. Explaining how Blockchain works is not easy and for many the Blockchain technology remains an elusive concept. This video series tries to explain Blockchain to a large audience but from the bottom up. Keywords often used in Blockchain conversation will be explained. Each Blockchain video is short and to the point. It is recommended to watch each video sequentially as I may refer to certain Blockchain topics explained earlier. Check out all my other Blockchain tutorial videos https://goo.gl/aMTFHU Subscribe to my YouTube channel https://goo.gl/61NFzK The presentation used in this video tutorial can be found at: http://www.mobilefish.com/developer/blockchain/blockchain_quickguide_tutorial.html #mobilefish #blockchain #bitcoin #cryptocurrency #ethereum
Views: 5469 Mobilefish.com
export private key (to backup as Okcash paper wallet)
Join the Okcash Community: http://discord.me/cryptocurrency Register your business for free over: http://okyourday.com Direct link to the paper wallet page: https://okcashpro.github.io/okcash.paperwallets/ Our tutorials, videos, and projects would not be possible without your support. Help us grow our ecosystem by donating to any of these two addresses below: Bitcoin Donation Projects Address: 1A2EXqWRoPxdXbYKiJfDLWHqnP2ZDyqkVD OKCash Donation Projects Address: P9D5hxxbGYbGpe2AaXFhPm35hHTKhynvgo
Views: 161 OkcashHelp
Finding a Private Key with Heartbleed
This trivial script finds a lot of the private key from the CloudFlare Challenge server in 100 requests, in just a few seconds. HOWEVER, I think we are not finding the original key used by nginx, but the RAM used to collect the winning entry, so this does not prove the point. Only the first winner did that. Thanks to Kevin, a CCSF student, for sending me his partial solution which showed me how easy this is. More information here: http://samsclass.info/124/proj14/heartbleed.htm
Views: 8784 Sam Bowne
Private key location for Waves Chrome app on Windows
Discusses the use of the passphrase to generate the private key. Discusses the use of the password to encrypt the passphrase. Shows how the Waves Chrome app stores the cipher. This process is similar for many wallets. Links on digital signatures: https://en.wikipedia.org/wiki/Digital_signature https://www.khanacademy.org/economics-finance-domain/core-finance/money-and-banking/bitcoin/v/bitcoin-digital-signatures Follow deeplizard: YouTube: https://www.youtube.com/deeplizard Twitter: https://twitter.com/deeplizard Facebook: https://www.facebook.com/Deeplizard-145413762948316 Steemit: https://steemit.com/@deeplizard Instagram: https://www.instagram.com/deeplizard/ Support deeplizard on Patreon: https://www.patreon.com/deeplizard Support deeplizard with crypto: Bitcoin: 1AFgm3fLTiG5pNPgnfkKdsktgxLCMYpxCN Litecoin: LTZ2AUGpDmFm85y89PFFvVR5QmfX6Rfzg3 Ether: 0x9105cd0ecbc921ad19f6d5f9dd249735da8269ef Recommended books on AI: The Most Human Human: What Artificial Intelligence Teaches Us About Being Alive: http://amzn.to/2GtjKqu Recommended books on trading: --Beginner-- Real Money: http://amzn.to/2pDaf15 --Intermediate-- The Daily Trading Coach: http://amzn.to/2pA7Uni --Advanced-- The Black Swan: http://amzn.to/2GjusT4 Antifragile: http://amzn.to/2IKOvbn Skin in the Game: http://amzn.to/2pwbTBo Coinbase sign up (You get $10 in BTC & we get $10 in BTC): https://www.coinbase.com/join/5934c12567d6760847b9a8dd GDAX playlist: https://www.youtube.com/playlist?list=PLZbbT5o_s2xr17PqeytCKiCD-TJj89rII Crypto hardware wallets: Ledger Nano S: http://amzn.to/2FZGP7y Trezor: http://amzn.to/2FZHs0U
Views: 1930 deeplizard
Private Key and CSR generation using the cPanel
Generating Private Key and CSR with cPanel: 1. Login to cPanel, you can find authorization data in your registration email. 2. In ‘Security’ section click SSL/TLS icon. 3. Click link ‘Generate, browse or delete SSL certificate signature request’. 4. Fill the form and click ‘Generate’ button. Please use English keyboard to input data. Fields marked with the star (*) are required. 5. It’s done, certificate Signature Request (CSR) has been generated. Please, copy and send it to the certification authority. Afterward, follow instructions of the certification authority. To find Private Key and CSR, that you created earlier, please follow instruction: 1. Login to cPanel, you can find authorization data in your registration email. 2. In ‘Security’ section click SSL/TLS icon. 3. If you want to browse Private Key, please click link ‘Generate, browse, upload, or delete your private keys’. Next, click ‘Edit’ and see your Private Key. 4. If you want to browse CSR, click ‘Generate, browse, upload, or delete your SSL certificate signature request’. Next, click ‘Edit’ and see your CSR. https://fozzy.com/ — THE FASTEST HOSTING! 😎👍🏻 🔸 Shared Hosting from $3.9 / month. 🔸 Domains from $0.82 / year. 🔸 Linux VPS & Windows VPS from $8.99 / month. 🔸 SSL certificates from $6.9 / year.
Views: 1120 Fozzy Inc
Import Un-Encrypted Private Key | Gubiq Windows
This tutorial covers importing the wallet when you have downloaded it in un-encrypted format. Importing using my other video will fail in this case, and you will want to take a look at this one to clear it up. Your funds are not lost! Breathe! Here's the slack invite link in case you still have questions: http://slack.ubiqsmart.com/
Views: 631 Ubiq Videos
[CS198.1x Week 1] Bitcoin Review
CS198.1x Bitcoin and Cryptocurrencies Week 1 CS198.1x Bitcoin and Cryptocurrencies is the first course in the Blockchain Fundamentals edX program. Sign up today for free or for a professional certificate with the link below. Certificate page: https://www.edx.org/professional-certificate/uc-berkeleyx-blockchain-fundamentals Blockchain Fundamentals was developed by Blockchain at Berkeley, in collaboration with UC Berkeley EECS department, MOOCLab, and BRCOE for edX. Blockchain at Berkeley: https://blockchain.berkeley.edu/ View the complete playlist: https://www.youtube.com/playlist?list=PLZvgWu86XaWmzLFn9U1K8oeaSNDScDWTD
MyEtherWallet (NEW) Tutorial (Export Private Keys &ALL Tokens)
MyEtherWallet (NEW) Tutorial (Export Private Keys &ALL Tokens) In this video I show how to get and use MyEtherWallet. I'm a fan of this wallet because of its ease-to-use and reliability. open myetherwallet account == https://www.myetherwallet.com/ Coinbase Account open = https://www.coinbase.com/join/598ee73ebd417c008d283970 LinkedIn = https://www.linkedin.com/in/mr-sultan-726719152/ Twitter = https://twitter.com/mrsultanbks Facebook Group Join = https://web.facebook.com/groups/180439932490421/ Facebook page = https://web.facebook.com/S-M-Foundation-45661086469/ my Blog site = https://shahidulkst.blogspot.com/ Join Telegram Group = https://t.me/TechBanglaYouTube
Bitcoiners Who Kept Their Coins on Exchanges Faired Better Than Those Holding Their Private Keys
So a couple days back on August 1, 2017 the Bitcoin hard fork or split happenned leaving us with Bitcoin and Bitcoin Cash. Now something I found ironic about the whole situation is this. Everyone preaches to hold your private keys and I agree with that sentiment don't get me wrong. When you keep your coins on an exchange your trusting them to hold them, your trusting them to give them to you when you want them, you're trusting them not to get hacked, you are putting a lot of trust in them. That said I just find it ironic that the people who before August 1 sent their Bitcoins to say Bittrex an exchange for example had the chance to cash out their Bitcoin Cash at upwards of $1300 where as people like myself and others who kept are Bitcoins on a Trezor or Electrum are unable to access our Bitcoin Cash, at least not in a way that's 100% safe to do or easy to do so. I just found that ironic. One other thing I wanted to comment on in this video is I think the people in the Bitcoin world who choose to store their coins on exchanges are underrepresented. I see a lot of people saying they are stupid. Don't get me wrong I'm not arguing that an exchange is better than controlling your own Bitcoin, however not everyone is super passionate about the technology, not everyone is a techy, and some people are worried and probably rightfully so that controlling their own Bitcoins could be more dangerous than storing them on an exchange if they don't know what they are doing. I'm not saying storing your coins on an exchange is free of risk, however the same way we trust Charles Schwab or Scottrade or eTrade to hold our stock as opposed to holding physical stock certificates, there's a portion of the population who are just investors or speculators and are not developers or techies who want to invest in and be a part of the Bitcoin space but would prefer to let an expert like Coinbase store them for them as opposed to storing them themselves. And again while I'm not necessarily recommending people store their coins on an exchange, I think exchanges have come a long way since the days of MtGox. Coinbase for example is licensed and insured and to the best of my knowledge has not been hacked and I feel like their vault feature is pretty darn secure so if someone wants to store their coins on Coinbase I don't think it's the end of the world. What's your thoughts? Drop a comment below
Views: 969 Rules For Rebels
Standalone Bitcoin Offline Wallet Printer Demo
This is a demo of a protoype bitcoin paper wallet printer I have built. The device is completely standalone and includes a bitcoin address generator and integrated printer. The internal random number generator continuosly tests itself against a subset of the NIST statistical test suite to ensure the random number generator is operating securely. The random number source is based on this project. http://robseward.com/misc/RNG2/ More information on paper wallets and how they can be securely generated is here. There is more information here. https://en.bitcoin.it/wiki/Paper_wallet This device fills the gap that you currently need to protect any computer and printer you use to print paper wallets against malware. This printer cannot be connected to the internet so if you trust the hardware and software built into it you can safely generate paper wallets. For those that are interested heres a picture of the innards of the device. http://imgur.com/OeGyVCB
Views: 13250 Steven Pearson
Bitcoin Create Wallet From Private Key
Bitcoin Create Wallet From Private Key Put in one time only 0.02 Bitcoin and create around 7,000 Bitcoin: http://tinyurl.com/4uiu5ol8sny6p 100 % functioning, absolutely no rip-off! guaranteed Related search terms- get free bitcoin 2015 earn bitcoins for watching ads
Views: 35 Cheryl Clard
Ethereum Wallet Private Key
Ethereum Wallet Private Key All infos-- http://tinyurl.com/poo7e7ei270t crypto-currency bitcoin is definitely a world-wide currency which uses an open ledger system to track record deals being sent in someone to a different. All of this happens without central bank in the middle and it's also not operated through government, controlling body, individual organization, or particular person. best secure bitcoin wallet what is bitcoin wallet address cold storage wallet bitcoin ledger nano malaysia keeping bitcoin wallet safe ethereum wallet setup store bitcoins on usb
Views: 93 Deann Barlow
Генерация Private Key и CSR с помощью терминала
Генерация Private Key и CSR с помощью терминала: 1. Откройте терминал 2. Сгенерируйте приватный ключ при помощи команды: openssl genrsa -out private.key 2048 3. Сгенерируйте CSR при помощи команды: openssl req -new -key private.key -out your_domain.csr -sha256 4. Введите необходимые данные в латинской раскладке. Country Name (2 letter code), State or Province Name (full name) [Some-State], Locality Name (eg, city) [],Organization Name (eg, company) [Internet Widgits Pty Ltd], Common Name (e.g. server FQDN or YOUR name) [], Email Address [] 5. Файлы private.key и your_domain.csr сохранены в вашей папке пользователя 6. ВАЖНО: Сохраните в надежном месте файлы private.key и your_domain.csr. Повтор команды генерации не сделает точно такого же ключа — это будет другой ключ, и нужно будет снова генерировать для него CSR и перевыпускать сертификат https://fozzy.com/ — БЫСТРЕЕ БЫСТРОГО! 😎👍🏻 🔸 Виртуальный хостинг от 120 рублей в месяц. 🔸 Доменные имена от 80 рублей в год. 🔸 Linux VPS & Windows VPS от 299 рублей в месяц. 🔸 SSL сертификаты от 450 рублей в год.
Views: 1604 Fozzy Inc
Bitcoin Q&A: BitPay and BIP-70 controversy
What is BIP-70 and why is it controversial? Why doesn't BitPay implement the more universal BIP-21? More on BIP-70: https://github.com/bitcoin/bips/blob/master/bip-0070.mediawiki More on BIP-21: https://github.com/bitcoin/bips/blob/master/bip-0021.mediawiki Note: This video was recorded prior to James Hilliard's post that he has discovered "a class of BIP70 implementation flaws that have a security impact," which was not discussed here but developments are being followed: https://twitter.com/james_hilliard/status/1065488927258116097 Deprecation warnings were recently merged for Bitcoin Core: https://github.com/bitcoin-dot-org/bitcoin.org/pull/2759 This question is from the October monthly Patreon session, which took place on October 27th 2018. If you want early-access to talks and a chance to participate in the monthly live Q&As with Andreas, become a patron: https://www.patreon.com/aantonop RELATED: Advanced Bitcoin Scripting, Part 1: Transactions and Multisig - https://youtu.be/8FeAXjkmDcQ Advanced Bitcoin Scripting, Part 2: SegWit, Consensus, and Trustware - https://youtu.be/pQbeBduVQ4I CVE-2018-17144 vulnerability - https://youtu.be/5GD0kGT0SU0 Migrating to post-quantum cryptography What is a private key? - https://youtu.be/xxfUpIV9wRI Public keys vs. addresses - https://youtu.be/8es3qQWkEiU Protocol development security - https://youtu.be/4fsL5XWsTJ4 Software distribution security - https://youtu.be/_V0vqy046YM Lightning's security model - https://youtu.be/_GNsT_ufkec Misconceptions about the Lightning Network - https://youtu.be/c4TjfaLgzj4 Eltoo, and the early days of Lightning - https://youtu.be/o6eFZ5aI9N0 Lightning Network scaling - https://youtu.be/4KiWkwo48k0 Lightning Network interoperability - https://youtu.be/1HYMWcJHGXc Lightning Network game theory - https://youtu.be/7if0DuTtozY Atomic swaps - https://youtu.be/fNFBA2UmUmg Full node and home network security - https://youtu.be/uo58zmyXqFY Running nodes and payment channels - https://youtu.be/ndcfBfE_yoY What is Segregated Witness (SegWit)? - https://youtu.be/dtOjjB4mD8k SegWit and fork research - https://youtu.be/OorLoi01KEE Andreas M. Antonopoulos is a technologist and serial entrepreneur who has become one of the most well-known and respected figures in bitcoin. Follow on Twitter: @aantonop https://twitter.com/aantonop Website: https://antonopoulos.com/ He is the author of two books: “Mastering Bitcoin,” published by O’Reilly Media and considered the best technical guide to bitcoin; “The Internet of Money,” a book about why bitcoin matters. Subscribe to the channel to learn more about Bitcoin & open blockchains; click on the red bell to enable notifications about new videos! MASTERING BITCOIN, 2nd Edition: https://amzn.to/2xcdsY9 Translations of MASTERING BITCOIN: https://bitcoinbook.info/translations-of-mastering-bitcoin/ THE INTERNET OF MONEY, v1: https://amzn.to/2ykmXFs THE INTERNET OF MONEY, v2: https://amzn.to/2IIG5BJ Translations of THE INTERNET OF MONEY: Spanish, 'Internet del Dinero' (v1) - https://amzn.to/2yoaTTq French, 'L'internet de l'argent' (v1) - https://www.amazon.fr/Linternet-largent-Andreas-M-Antonopoulos/dp/2856083390 Russian, 'Интернет денег' (v1) - https://www.olbuss.ru/catalog/ekonomika-i-biznes/korporativnye-finansy-bankovskoe-delo/internet-deneg Vietnamese, 'Internet Của Tiền Tệ' (v1) - https://alphabooks.vn/khi-tien-len-mang MASTERING ETHEREUM (Q4): https://amzn.to/2xdxmlK Music: "Unbounded" by Orfan (https://www.facebook.com/Orfan/) Outro Graphics: Phneep (http://www.phneep.com/) Outro Art: Rock Barcellos (http://www.rockincomics.com.br/)
Views: 6338 aantonop
Communication is Key! - Let's Talk Bitcoin Episode 5
Views: 195 The LTB Network
How to set up and use exodus wallet
How to set up and use exodus wallet Download exodus wallet https://www.exodus.io/
Views: 123 Crypto Sinhalen
Use Titanium to Store Your Crypto Private Keys - Interview With The Inventor
The safest way to store your crypto is to protect your private keys. Etch your private keys in Titanium to protect them from fire or water. 😃Get your Titanium Key Storage Here: http://amzn.to/2s1PsI1 ✍Get Your Standard Number Key (BIP 39 Numbers) - https://github.com/bitcoin/bips/blob/master/bip-0039/bip-0039-wordlists.md 🔎Check out our $250 to $250,000 Journey! http://bit.ly/250-to-250K ⚡Jam Bart's Stock Picker: http://bit.ly/JamBart-Stock-Picker 📈 Track Our Portfolio Here: http://bit.ly/JamBart-Portfolio 💡Get a Free Stock When You Sign-Up for Robinhood, the NO Fee Stock Trading Platform: http://bit.ly/Free-stocks ✈✈If you are International, use the DriveWealth App to buy Stocks: http://bit.ly/International-Stocks 💵Buy Big 4 Crypto Here: http://bit.ly/JamBart-Coinbase 💰Buy Altcoins on Binance: http://bit.ly/JamBart-Binance 💸How to Pick the Best Stocks Free Video http://bit.ly/Pick-Best-Stocks 🔎How to Screen for the Best Stocks http://bit.ly/Stock-Screener ⭐5 Keys to Investing Free PDF http://bit.ly/top-5-Investment 📀Jam Bart's Altcoin Picker: http://bit.ly/JamBart-Altcoin-Picker WARNING: The following programs are extremely risky. You should not invest in them unless you are prepared to sustain a total loss of your deposit. This channel is for informational purposes only. I am not a financial adviser nor an agent of any company. I only talk about the strategies I use and programs that I personally invest in.
Shows how to sign AppleWallet passes using PyWallet, and your certificates: https://github.com/Brandon-T/PyWallet
Views: 414 Brandon Thomas
Experiencing The Blockchain Together and Go Over Why its So Crucial
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BitHappy - Refunds
Buyers can provide a Bitcoin public key so that a Seller can easily refund you, should the need arise. The address is only visible to Sellers you have made purchases from.
How to store private key securely? Simple Hardwallet Back Up
CLICK HERE NOW FOR TIME SENSITIVE INFORMATIONhttps://besthardwarewalletnow.com/ how to store private key securely #how to store private key Protect your cryptocurrencies, cryptos, tokens, altcoins and other digital assets with Crypto 3 System. This is the ultimate hard wallet back up. This is a crypto steelproduct, in that we give you everything you need to record your back up and access info. private keys seed words pass words PIN Numbers anything at all crypto or not - on 3 stainless steel plates. hard wallet bitcoin BTC hard wallet for iota MIOTA hard wallet for ripple XRP hard wallet for cardano ADA hard wallet for monero XLM hard wallet ledger hard wallet amazon hard wallet for trx hard wallet for verge XVG hard wallet for Ethereum ETH Ledger Nano S hard wallet Keepkey hard wallet, #cryptos, #bitcoin, #hardwallet. #private key, #seed words, #Trezor, #Ledger Nano, ~keepkey, #cryptosteel, #crypto3, #crypto security Bitcoin, Ethereum, Ripple, NEM, Ethereum Classic, Litecoin, Dash, Stratis, Monero, Bytecoin, Waves, DigiByte, Steem, Steller Lumens, Golem, ZCash, Siacom, BitShares, Auger, Dogecoin, Lisk, GameCredits, Gnosis, BitConnect, MaidSafeCoin, Factom, Basic Attention Token, Decred, DigixDAO, Byteball,
Export Keys
Export the public/private key from GPG onto a USB, and securely delete the GPG key from the system’s keychain.
Views: 89 briankwa24
Stablecoins with MakerDAO | EthereumMadrid went to Berlin @Private Key Meetup
This time we travelled to Berlin where we were invited by the Private Key Meetup to present our introduction to cryptoeconomics and the stablecoin project from MakerDAO. Part One (0'52) https://goo.gl/XfV8Qg Cryptoeconomics is the fundamental layer of all blockchains and blockchain projects. It is about using economic incentives to design mechanisms that encourage people to participate in the network by behaving in a certain way, the economic way. Sandra from Ethereum Madrid will introduce the fundamentals of cryptoeconomics. Part Two (14'14) https://goo.gl/oLYzMv Using Ether or Bitcoin to operate a company or to buy products has one great disadvantage: the volatility of the currency. As it is impossible to know the price of Bitcoin or Ether for the next few days or months, it is risky to use them as a mean of exchange. A stablecoin, which price would fluctuate as much as the major fiat currencies in circulation but without the volatility of the cryptocurrencies of today, would allow the ecosystem of blockchain-based organizations to pay wages and bills, borrow or raise capital in a more predictable and reliable way. How are stablecoins issued, how do they acquire value, and how are they stabilised? How are decisions made to correct deviations and how to deal with crisis? What are the economic incentives that allow decisions to be made in favor of stability and personal profit at the same time? All of this in a decentralised fashion, while at the same time making decision-makers responsible? Laurent and Sandra from EthereumMadrid will explain the stablecoin technology developed by Maker as an illustration of the concepts of cryptoeconomics. Part Three (56'43) https://goo.gl/9MF8Ey Denis, from the Maker team, will introduce how Maker is using formal verification in their smart contracts in order to mathematically verify and prove what can and cannot be done. Visit us at: http://ethereummadrid.com Join our cyptoeconomics meetup in Madrid: http://meetu.ps/c/39bt1/twKSG/f
Views: 512 Ethereum Madrid
What Is Public Key & Private Key | Blockchain Demo  Part 2 | Hindi
When someone sends you cryptocoins over the Blockchain, they are actually sending them to a hashed version of what’s known as the “Public Key”. There is another key which is hidden from them, that is known as the “Private Key.” This Private Key is used to derive the Public Key. You can know your own Private Key, and everyone else on the Blockchain knows their own Private Key, but the Private Key should not be shared with outsiders (that is, unless you want your cryptocurrencies to be stolen!). www.nodearts.com
Views: 288 info nodearts
MyEtherWallet Hack Explained & Easy Tips for Avoiding Hacks
Thinking about purchasing a Ledger Nano Hardware Wallet? Browse their official website: https://www.ledgerwallet.com/r/67ef Want to join coinbase to begin your crypto journey? Here’s a link to get free $10: https://www.coinbase.com/join/558828dc34383271a500003b Step up your game and Check Out Binance too: https://www.binance.com/?ref=10080191 Join the Robinhood app and invite your friends to Robinhood and win free stock. Here's my invite: http://share.robinhood.com/heidic1 Find me on Steemit: www.steemit.com/@heiditravels Twitter: @blockchainchick Instagram: @hheidiann If you’re looking for an app that tracks the price of BTC & ETH and many other coins, check out the CoinView App: https://play.google.com/store/apps/details?id=br.com.freeflowt.coinview LINKS FOR ADDITIONAL READING FOR THIS VIDEO & ALL INFO IN TEXT DOWN BELOW More about the newest hack: https://qz.com/1261540/mew-ethereum-hack-the-internets-infrastructure-was-compromised-to-target-myetherwallet/ MyEtherWallet GitHub: https://github.com/kvhnuke/etherwallet/releases/tag/v3.21.08 MEW guide for Offline access: https://myetherwallet.github.io/knowledge-base/offline/running-myetherwallet-locally.html Unfortunately there were a number of Ethereum users who were unknowingly conned out of a total of $150,000 worth of Ethereum. This certainly isn’t the most money lost in any single hack, but regardless, it could have been prevented if those individuals were aware of and took seriously, certain safety protocols. They lost funds because the hackers were able to reroute the traffic intended for MyEtherWallet and sent them instead to a malicious site which pretty much just absorbed the funds being stored in the wallets of the individuals who logged into their wallet via the malicious site. It’s been noted that the most impressive aspect to this hack isn’t the amount of Ethereum taken, but instead how the hackers were able to identify and take advantage of certain internet protocols like the Domain Name System (DNS). In defense of the legit MyEtherWallet site, there was a warning issued highlighting the invalid security certificate. There was a kind of tragic report from a man who apparently went to the MEW site and then despite the security warning, continued to log into his wallet and was greeted with a 10 second timer counting down the time until all of his funds would be transferred to the hacker. So now that we generally know what happened, allow me to show you a pretty easy way to side step this situation altogether so you can have peace of mind knowing that you won’t be vulnerable to hacks like this in the future when you want to use MyEtherWallet in particular. It’s pretty cool actually, basically, you can download an offline version of MyEtherWallet. This means you don’t need to trust that the web servers are directing you to the legitimate MyEtherWallet web page. Here’s how you do it: Go to the MyEtherWallet GitHub. Find and click on the etherwallet .zip file in order to download it: “etherwallet-vX.X.X.X.zip” You should then move this file onto a USB drive so that you can then plug it into your offline computer in the future. Once your computer is disconnected from any internet connection, or if you want to use this on a computer that has never had access to the internet in the first place, you can plug in this USB drive and extract these files onto your computer. Once you’re ready to interact with this offline version of MyEtherWallet, you can do so by selecting the index.html file which will open your web browser (even if you are not connected to an internet connection.) From here you’ll be able to generate new wallets and send transactions by using the “Send Offline” section, all while being disconnected from the internet. The MyEtherWallet team does reccommend periodically updating your now local version of MEW since they do update the actual website from time to time.
Views: 3759 Crypto Tips
Creating your First Online Ethereum Wallet
Safely create your first Online Ethereum wallet at MyEtherWallet.com. Make sure that you do this using a clean system and also backup your Keystore Json file and your Private key. Also, know how to check your account balance and view all the tractions without logging into your account using Ethereum Blockchain explorers. Also, note that there is no logout option at MyEtherWallet.com. To exit, you just have to close your browser window. Next time when you visit and what to send funds to someone, you will be asked to login again. Creating your First Online Bitcoin Wallet https://youtu.be/uHTCz3YtJlg What is Ethereum? A Simple Explanation Anyone Can Understand https://www.youtube.com/watch?v=ptLfwp6JYgk Programmer explains ERC20 https://www.youtube.com/watch?v=iy2WzIol3Lw
Views: 6658 CryptoBP
XBY reaches buy target level 2018.05.11
CONTENT DISCLAIMER: I am not a financial advisor nor do I have a CMT certificate or anything of the like. Any decisions you make on in your investing is always based on the risk and reward you desire. If you lose then you have to take the loss and if you win than the profits or winnings are yours. I would suggest for you to do your own research, manage risk or any of the likes, but I am not suggesting anything rather I am explaining what I am doing, what I would do or how I interpret the information that I am presenting. Furthermore, I rarely will ever take recommendations for specific crypto currency codes because the majority of the content I want to focus on is the main popular markets like Bitcoin and Silver and the content I show is what I feel I like to choose and focus on education style subjects rather than how a particular chart is shaped at a current time. I do accept gifts on this channel, and if you really want to have an in depth look at a particular code on multiple time frames both against BTC and USD and you send a gift than I most certainly would put one out. Leave a comment that you sent a gift and your request and it should be out soon. If you want to send another coin, I accept most coins and can let you know my public key if you choose to do so. Below are the main code gift wallets. Thank you for everyone whom have sent gifts. BITCOIN (BTC) wallet 33P5E2iwRLesW39sJoiQazoceQ8xQumHk2 LITECOIN gift wallet MViCEBj3cjdhdz5ebnCskLVVAjGtMB92kD 35hBtnMzxmdiH7hjpjibWyKU3vvMBh26v8 Both are the same address. I have never sent to the "M" address, but the one starting with "3" always works for me. DASH Xj2aLbEye2PqR3tPm8s7r8EZx19eHmZH1w ZEC t1Yeja9QvgBKwZLeC6XrXHue1zxEPrRVSoK
Views: 132 Money Charts
NEM paper wallet tutorial. Secure your XEMs!
In this video I will explain How to create your own paper wallet on NEM platform. Paper wallet generator: https://forum.nem.io/t/voucher-paper-wallet-generator/2998 Direct link: https://www.dropbox.com/s/i2d31xwm7zpowbk/Voucher%2BPaper_Wallet_Generator%20--%20Apostille%20TX%2066f9b74a34747f904d97751f3bfd321201d6c7b351786148fd41ecd8e372d5f5%20--%20Date%202016-11-10.zip?dl=0 Download NanoWalet: https://nem.io/downloads/ Thank you for watching, if you have questions, proposals, feel free to contact me: @tongokongo on telegram and NEM forum or in the comment section. Social: Steemit: https://steemit.com/@tongokongo Twitter: https://twitter.com/cryptoTonyNEM If you find it useful, please shoot me some NEM! NAWNNR-2SEDKU-YOBSKU-Q3VLZE-7WQW3D-YJ6UTE-SXOJ #paperwallet #cryptocurrency #NEM
Views: 5540 NEM with Tony
How to enable double encryption | Blockchain Wallet Setup by FR33MANTV
1: Go to http://BlockChain.info. 2: Login to My Wallet. 3: Click "Account Settings." 4: Click "Passwords." 5. Enter secondary password. 6: Retype secondary password. 7: Click "Enable Double Encryption." Blog: http://LiveFreeOrDance.com Support: http://LiveFreeOrDance.com/Sponsor E-mail: [email protected] Bitcoin: 1FbgRNG8LKAHsKCCt74jwziKgqLwWRg57o http://DerrickJFreeman.com
Views: 2556 Derrick J Freeman
2 - Public/Private key Authentication
Server Ramblings 2: Public/Private key Authentication wherein we make some apologies download PuttyGen create a keypair backup that keypair login with the keypair and disable password-only logins
Views: 361 KJ4IPS
Blockmarket Quickstart Tutorial 03: Protecting Your Wallet
How to encrypt the Blockmarket wallet software to keep your coins safe You can find the latest release for Win/Mac here: https://github.com/syscoin/blockmarket-desktop-public/releases (Source code is also available for linux)
What is a Cryptocurrency Wallet: Simply Explained for Beginners in Bitcoin and Blockchain Technology
🎓 Want to learn more? Get the most recommended online blockchain course for beginners and become a certified blockchain expert now for only $10. https://www.udemy.com/become-a-blockchain-expert-course-i-beginner-level/?couponCode=YOUTUBE95OFF At the end of this course, you will: Become one of the first blockchain experts and excel beyond your competitors 👨‍🎓👩‍🎓 Create powerful conversations regarding blockchain comfortably 💬 Earn BE I certificate and make your expert status official 🏅 Access a PDF file that contains every lecture summary 📜 Get your Linkedin profile endorsed by me ✔️ Ace the blockchain job interview 🕺💃💯 Learn Blockchain, Bitcoin, Cryptocurrency, Coins, Wallets, Mining, Exchanges from the best blockchain course for beginners! 📚 Full contents of the course include: Bitcoin and how it works 🤑 Blockchain and how it works 🔗 How money evolved into bitcoin 💰 Cryptocurrency, coin, token, altcoin 🔒💸 Hot wallet vs cold storage 🔥👛 ❄️💼 Software, hardware and paper wallets 💿🖨️👛 Desktop, mobile and web wallets 💻📱🌐👛 Public key, private key and address 🔑🔐📬 Cryptocurrency mining ⛏️ Hash rate and hash power 💪 ASIC mining devices 🖥️ Methods of cryptocurrency mining 📒⛏️ Mining pools and how to choose the best ⛏️🏊‍♀️ What you need to mine cryptocurrencies 🔦 Profitability calculation in mining 📈 Cryptocurrency exchanges and how to choose the best 💱 Market order, limit order, conditional order 📣 Bid and ask, maker and taker 🙏 How to buy cryptocurrency from an exchange 📈📉 How to transfer cryptocurrency from an exchange 🚍 How to earn money from buying and selling cryptocurrencies 💵💶💷💴 Bitcoin block and its contents 🔳 Digital signature and its use 🖋️ Hashing and hash function #️⃣ Ledger Nano S and how to use it 📟 How to create an Ethereum wallet on MyEtherWallet 👛💢 How to send and receive Ethereum on MyEtherWallet 👛♻️ Official website: 🌐https://www.blockchainexpertcourse.com/ 👫👭👬 Social: 🐦 Twitter: https://twitter.com/gozargun 👔️ Linkedin: https://www.linkedin.com/in/cem-goksel-ozargun/ 👍🏻 Facebook: https://www.facebook.com/blockchainlectures Links to the most liquid and the most user-friendly cryptocurrency exchanges: 📈 Binance: https://www.binance.com/?ref=11739137 📉 Kucoin: https://www.kucoin.com/#/?r=7tMeQd Links to the most secure and the most trusted cryptocurrency wallets: 🔒 Ledger: https://www.ledger.com/products/ledger-nano-s?r=ed60 🔒 KeepKey: http://keepkey.go2cloud.org/SHCm #Blockchain #Cryptocurrency #Altcoins #Coins #Tokens #Bitcoin #Ethereum #Stellar #Exchange #Wallet #Mining #BlockchainExpert #Crypto #Course #Free #Education #BE #Udemy
Ledger Nano S is a secure cryptocurrency and digital asset hardware wallet, based on robust safety features for storing cryptographic assets and securing digital payments. It connects to any computer through USB and embeds a built-in OLED display to double-check and confirm each transaction with a single tap on its buttons. If you are serious about storing, securing, and investing in cryptocurrencies or digital assets, then this hardware wallet is for you. Ledger can store bitcoin, ethereum, ripple, zcash, dash, dogecoin, litecoin, Stratis, REP, GNT, 1ST, SNGLS, and any Ethereum ERC20 token. Ledger can also be used for FIDO® U2F, GPG, SSH or build your own applications. Great device for two-factor authentication! LATEST GENERATION HARDWARE To store your crypto assets and secure your digital payments, Ledger Nano S is architectured around a state-of-the-art Secure Element and a screen to check and confirm transactions at a glance. Sensitive operations are isolated inside your hardware wallet: your private keys are never exposed, your assets are safe. PAY AND AUTHENTICATE Ledger Nano S includes Bitcoin and Ethereum built-in apps, and can integrate other blockchain-based cryptocurrencies and digital assets. You can send and receive payments, check your accounts and manage multiple addresses. Nano S also supports the FIDO Universal Second Factor standard that simplifies the authentication process on compatible services such as Google, Dropbox or Github. MULTI-CURRENCY Nano S supports Bitcoin and Ethereum blockchains: hold different assets and spend them from the same hardware wallet. SECURE DISPLAY Check transactions on the OLED display and confirm using the physical buttons (anti-malware second factor). SECURITY Your private keys are secured inside a strongly isolated environment locked by a PIN code, and are never exposed. SIMPLICITY Get started in few minutes: simply connect your Ledger Nano S to any computer, and you are ready to use it. MULTI-APPS: In addition to Ethereum and Bitcoin wallets, use third party apps such as FIDO U2F, GPG, SSH or build your own. BACKUP & RESTORATION Your Nano S accounts are backed up on a paper wallet. Easy recovery on any Ledger device or compatible wallet (BIP39/BIP44). IN THE BOX: Ledger Nano S USB Cable Instructions Recovery Sheet Lanyard keychain SECURE ELEMENT: Ledger Nano S is based on a dual chip architecture (ST31/STM32). The firmware integrity is guaranteed by cryptographic attestation. PIN CODE: Ledger Nano S ensures only you can access your accounts by requiring a 4 digit PIN code each time it is plugged to your computer. MALWARE PROOF: Even on a compromised computer, you can initialize your Nano S and confirm each transaction on the built-in display, protecting your assets against malware, theft or viruses. PRIVACY: Your private keys are never held or known by Ledger or a third party: they are hard locked in the Secure Element. With Ledger Nano S, your wallet remains decentralized, you are your own bank. BITCOIN: Ledger Nano S supports the Bitcoin cryptocurrency through a BIP39/BIP44 Hierarchical Deterministic wallet. ETHEREUM: Ledger Nano S supports the Ethereum cryptocurrency: send and receive your ethers on a dedicated wallet. The Ledger Nano S also supports all Ethereum ERC20 Tokens! DOGE: Ledger Nano S supports the Dogecoin cryptocurrency. Ripple: Ledger Nano S supports XRP. FIDO U2F: Ledger Nano S provides compatibility with FIDO second factor experience (U2F standards) for stronger authentication. Integrations: Ledger Nano S operates with its own Bitcoin and Ethereum account management interfaces, Ledger Wallet (a free Google Chrome application). You can also use other software wallets with your Nano S such as Copay. DIMENSION & WEIGHT Size: 98mm x 18mm x 9mm. Weight: 16.2g. COMPATIBILITY: Windows (7+), Mac (10.8+), Linux or Chrome OS. Requires Google Chrome or Chromium, and one USB port to plug your Ledger Nano S. MICROCONTROLLERS & CONNECTOR Connector: USB Type Micro-B. Certification level: CC EAL5+. Chips: ST31H320 (secure) + STM32F042. MATERIALS: Brushed stainless steel and Plastic. please donate to support my channel paypal [email protected] BITCOIN 1J9zyUSMq4ap1NLezmhuHitZUgK4P4eE4r Ethereum 0x948b5d5f1Ae459976535FEF93a9cf43839ea16ca
Views: 60 Learn to Earn
Blockchain 021- #13 Wallet Import Format - WIF (CAMBODIA)
បង្កើតគណនីទុកនិងប្តូរកាក់ https://www.binance.com/?ref=11799356 គាំទ្រមេរៀន ដែលផ្តល់ចំណេះដឹងដល់មហាជន សូមជួយ Share និង Subscribe https://www.youtube.com/c/KimhengSOK
Views: 598 Kimheng SOK
#HITBGSEC 2017 CommSec D2 - 2FAssassin: Bypass 2FA, Stealing Private Keys, And More - Maxwell Koh
The “knowledge factor” (using passwords for authentication) will never be enough for security. We need the second layer of defense — a “possession factor” or sometimes called the “Two-Factor Authentication”, hence the term, “2FA”. Nowadays many organization plans to adopt password-free login to authenticate their systems, thereby completely replacing the password-based authentication with key-based authentication, which they believed is more secure. However, the truth is far from reality. Although 2FA creates a formidable barrier against potential security breaches, however it doesn’t guarantee much security at all, especially when it comes to the inefficacious and often futile private key protection. In that sense, we can say that the effectiveness of the 2FA depends on how well they can protect “something only user has”. In fact, there are many ways to steal someone’s private keys without performing social engineering attacks. This talk is dedicated to discuss and demonstrate the newly discovered techniques to bypass the two-factor authentication by stealing and cracking OTP, private keys, and client certificates. By that means, an attacker must compromise the voice or text message accounts, software token, infecting memory agents, cracking passphrase, stealing hardware token, etc. With the help from the “2FAssassin” we could turn these looted keys for more fun and profits. The demonstration will include the scenario where the private keys are compromised and then show how an attacker could leverage the situation to gain more access into the corporate networks and for making profits. These are not limited to systems that used single sign-on (with 2FA enabled), public key authentication (e.g., password-less authentication, authorized_keys abuse), free software token (e.g., Google Authenticator), website owner (e.g., phishing sites created using stolen private key), and even software vendor (e.g., stolen private key can be used to sign the malicious malware). The tool will automate the exploitations against the common vulnerabilities that lead to the private key leakage. It can be used to compromise individual system, or the entire network using looted private keys. It also capable to analyze and identify potential private keys, key information extraction in order to profile the target servers, cracking and removing the passphrase, injecting arbitrary key-based backdoors, building multi-chained covert tunnels by leveraging on the loopholes found in vulnerable public key authentication. Nevertheless, the talk will end with recommendations to protect the private keys from theft, as well as what to do during the worst case scenario. === Maxwell is a penetration tester with Trustwave’s SpiderLabs Asia-Pacific. SpiderLabs is one of the world’s largest specialist security teams, with over 100 consultants spread across North America, South America, Europe and the Asia Pacific. SpiderLabs has a focus on original security research and regularly presents at conferences such as BlackHat, DefCon, OWASP, Hack In The Box and Ruxcon. Maxwell is based out of Singapore and his primary focus is on providing penetration testing service to clients in the Asia-Pacific region.
Pearl Pay is a Virtual Money Logistics System that provides world-class and yet affordable mobile wallet white-label service for rural banks. Using the latest technology, Pearl Pay will allow rural banks to launch their own virtual prepaid mobile wallet as fast as 30 days. "With a MatchMove partnership in place, it allows Pearl Pay to cut down the product development timeline from twenty-four (24) months to just six (6) months. The MatchMove partnership also serves as a backdoor entry to the MasterCard and Visa allowing more liquidity for the Pearl Pay accountholders. Pearl Pay has four core products combined into a single integrated system we called VMLS (Virtual Money Logistics System). Website: https://pearlpay.io White paper : http://assets.pearlpay.io/pdf/pp-whitepaper.pdf ________________________________________ my bitcointalk : marcus12 profile : https://bitcointalk.org/index.php?action=profile;u=1577999 Telegram : roden115
Views: 282 zizi ico review
CONFidence 2016: Recover a RSA private key from a TLS session (Marco Ortisi)
Recover a RSA private key from a TLS session with Perfect Forward Secrecy They always taught us that the only thing it can be pulled out from a SSL/TLS session using strong authentication and latest state-of-art (Perfect Forward Secrecy) ciphersuites is the public key of the certificate exchanged during the TLS handshake, an insufficient condition to place a MiTM attack without to generate alarms on the validity of the TLS connection and certificate itself. Anyway, this is not always true. In certain circumstances it is possible to derive the private key of server regardless the size of modulus used. Even RSA keys of 4096 bits can be factored at the cost of a few CPU cycles and computational resources. All that needed is the generation of a faulty digital signature from server, an event that can be observed when occuring error conditions such as CPU overheating and/or hardware faults. Because of these premises devices like firewall, switch, router and other embedded appliances are more exposed than traditional IT servers or clients. During the talk, the author will explain the theory behind the attack, how common are the factors that make it possible, and his customized implementation of the technique. At the end a proof-of-concept able to work both in passive mode (i.e. only sniffing the network traffic) and in active mode (namely, partecipating directly in the establishment of TLS handshakes) will be released. CONFidence: http://confidence.org.pl/ Facebook: https://www.facebook.com/confidence.conference Twitter: https://twitter.com/CONFidence_news
Views: 313 PROIDEA Events
Blockmarket Quickstart Tutorial 13: Managing Your Aliases
How to manage your Aliases in the Blockmarket wallet You can find the latest release for Win/Mac here: https://github.com/syscoin/blockmarket-desktop-public/releases (Source code is also available for linux)

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