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Cryptocurrency mining malwares are designed to use the computing power of your PC or smartphone, to do someone else’s work of finalizing transactions in cryptocurrencies. If you are a Google Chrome browser user, and you have been using a web browser extension called Archive Poster all this while, chances are your PC would have been hijacked without you even being aware of it, and used for mining cryptocurrencies.. The offending extension, which describes itself as a tool that “allows you to quickly reblog, queue, draft, and like posts right from another blog’s archive” was in fact hijacking the processing power in computers of as many as 105,000 users, and using that to mine cryptocurrencies.. While this particular extension has now been removed from the Chrome web extensions and apps store, it was using a distributed-network cryptocurrency mining program called Coinhive and mining a currency called monero. . If you have been using this extension, it would be a good idea to remove it—head to your Chrome browser app type chrome extensions in address bar look for Archive Poster and click the trash icon next to it to delete.. Bitcoin mining is the process of authenticating and legitimizing bitcoin transactions done online, anywhere in the world. In a simpler scenario, imagine the teller in your bank, who authenticates a deposit or withdrawal transaction that you may make by physically visiting the bank.. In the world of the as-yet-unregulated cryptocurrencies, every single transaction or exchange made using crypto coins needs to be added to what is known as a final bitcoin ledger or blockchain. . These transactions combined then reach “block” status, and it is this block that is sent to miners by different blockchain networks such as bitcoin, litecoin, omni, ripple and in Google Chrome extensions’ case, monero. . The miners who receive these blocks of data that need to be mined then use their specialized hardware and keys called “nonces” to encrypt the block of transaction data. . This hash is then added to the block that was received earlier, thereby authenticating it. Miners are paid when they complete a block.. For this, miners need to invest in very powerful computing devices to execute the mining task. A simple browse through Amazon.com suggests that these aren’t exactly affordable either. . For instance, the popular Bitmain Antminer S9 is priced at $6,399 (around Rs4,07,000) and the DR-100 Pro 21GH/s X11 ASIC Miner costs $1,999. . Considering the money that miners will have to invest initially before any returns start to come in post the successful completion of the mining processes, it perhaps becomes more exciting to write a malware code, piggyback on popular apps, and sneakily use the processing power of thousands or millions of computing devices globally and safely assume that their owners wouldn’t suspect a thing. . The only real give-away is if your PC’s CPU constantly registers 100% or close to 100% usage even when you aren’t
How to Crack Weak Wi-Fi Passwords Full Tutorial: http://bit.ly/ParrotAir Subscribe to Null Byte: https://goo.gl/J6wEnH In this edition of Cyber Weapons Lab, we explore hacking Wi-Fi with bad passwords. We'll show you how using bad passwords can let anyone with a simple wireless network adapter and laptop hack a network with almost no resistance. Follow Null Byte on: Twitter: https://twitter.com/nullbytewht Flipboard: http://flip.it/3.Gf_0
Whether or not it's worth investing in, the math behind Bitcoin is an elegant solution to some complex problems. Hosted by: Michael Aranda Special Thanks: Dalton Hubble Learn more about Cryptography: https://www.youtube.com/watch?v=-yFZGF8FHSg ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://bitinfocharts.com/ https://chrispacia.wordpress.com/2013/09/02/bitcoin-mining-explained-like-youre-five-part-2-mechanics/ https://www.youtube.com/watch?v=Lx9zgZCMqXE https://www.youtube.com/watch?v=nQZUi24TrdI https://bitcoin.org/en/how-it-works http://www.forbes.com/sites/investopedia/2013/08/01/how-bitcoin-works/#36bd8b2d25ee http://www.makeuseof.com/tag/how-does-bitcoin-work/ https://blockchain.info/charts/total-bitcoins https://en.bitcoin.it/wiki/Controlled_supply https://www.bitcoinmining.com/ http://bitamplify.com/mobile/?a=news Image Sources: https://commons.wikimedia.org/wiki/File:Cryptocurrency_Mining_Farm.jpg
3D animated video created for Symantec. A life demonstration of an ATM attack with green screen and 3D techniques. Created using live footage, 3Ds Max, Maya, Cinema 4D and Adobe After Effects.
The fake Netflix app populated by hackers is a reminder of a few things you can do to help turn away trouble. For my latest tips: 1) Subscribe to me on YouTube https://www.youtube.com/c/KurttheCyberGuy?sub_confirmation=1 2) Follow me on Facebook: http://www.facebook.com/cyberguyofficial *** ABOUT CYBERGUY - AMERICA'S TECH AUTHORITY - Best known as “Kurt the CyberGuy,” Kurt Knutsson created the largest syndicated tech lifestyle content franchise on television. - Kurt’s got an 18-year track record as a trusted source and daily syndicated technology contributor to national and top market television morning news shows, earning two Emmys and a Golden Mic. -With unique insider access to major tech launches and industry visionaries, Kurt the CyberGuy is one of tech media’s most trusted sources for expert insights and analysis on breaking news and trends out of Silicon Valley. - From national morning shows to daytime talk TV and major news networks, Kurt Knutsson is a foremost contributor on all things consumer tech – from highlighting the latest and greatest consumer products for making life more efficient and fun to offering up exclusive first looks at news-making technology. - In addition to wearing the CyberGuy hat, Kurt also oversees a private investment tech fund and enjoys mentoring start-ups and other entrepreneurs who share the same curiosity that attracts technology into his life. * CyberGuy tips & tricks: http://cyberguy.com/#recent-appearances CyberGuy Newsletter: http://cyberguy.com/#connect Follow me here: http://www.cyberguy.com http://www.facebook.com/cyberguyofficial http://www.twitter.com/cyberguy http://www.instagram.com/kurtthecyberguy https://www.snapchat.com/add/kurtthecyberguy
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