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Crypto

Transcript: From the Greek kruptos ,"hidden or secret"; and graphein , "writing, or study" , is the study and use of methods to secure communication from third parties. The main ciphers used in this time were simple encryption that would jumble the order of letters by assigning a numerical number to them and shifting the order a head by any some of number. That type of cypher was called the Caesar cypher. Cryptography and the World eucuzqjvfvjb Security systems are never 100% secure. Because of this people are usually hired to test out active security system to see if they can break them. That also means that someone who happens to be smarter than the person who created the security system could possibly break the cipher or discover the key granting them access. A look back on the history of Cryptography You're probably thinking, " Hey if people can just get a few computers together they can easily access encrypted data", well no. When data is encrypted it requires a lot less CPU and memory to create than to break. Which makes cryptanalysis a very inefficient method of breaking ciphers. It would take a lot of programming and p flops of data execution to be able to crack a cipher. WWII One incidence out of many involves Gary Mckinnon, a Scotish systems adminstrator and hacker. He hacked over 97 United States military and NASA computers. Deleted important operating system files off a 2000 computers rendering them in operable for 24hrs (until the issue was resolved) and he left some insults including "US foreign policy is akin to Government-sponsored terrorism these days … It was not a mistake that there was a huge security stand down on September 11 last year … I am SOLO. I will continue to disrupt at the highest levels …" Hacking Cryptography vs Cryptanalysis Public Key Some of these include Affine, Keyed Caesar, Gronsfeld, and Morse Code. http://en.wikipedia.org/wiki/FLOPS#Measuring_performance Whybgltizksb Cryptography can be as simple as reversing the order of the alphabet to rooms filled with computers running complex algorithms. However many people in that time did not know how to read so the encryption were more of a just in case. This was called cryptanalysis. The art of breaking an encryption without having the key. This was crucial in the war because the speed at which they could break the ciphers means that they could plan their attacks more efficiently and get their men is position faster and ultimately be ahead of the enemy. http://en.wikipedia.org/wiki/Public-key_cryptography Their are many of these simple types of crytohraphy techniques all over the internet and are therefore easy for anyone to learn. Public Key Cryptography is a method of ensuring that only a certain group of people have access to information that you put out into the world. The plain text you put out is encrypted with your public key and is decrypted by the recipients private key. Cryptography and Computers Cryptography sole use was to encrypt messages. The use of computers gave way to more complex algorithms and made it possible to encrypt data that could be presented in binary form. Woops didn't notice this was here. Back then they only needed to ensure that anybody that had possession of the message before it go to its destination were not able to read it. Classic Cryptography -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- With computers now heavily involved in decryption it was only a matter of time before they were used in encryption With encryption there is decryption and with the advent of computers it became faster to break encryptions. Cryptography is also utilized in the Kama Sutra for lovers to communicate without discovery.

CRYPTO

Transcript: CRYPTO Crypto: Part 1 by Support Team History 31st of October 2008 Bitcoin: A Peer-to-Peer Electronic Cash System by Satoshi Nakamoto A Bit of History Idea: deflationary currency To create a currency which can't lose its value by the will of central authority. When the system stops issuing coins, the value increases. 21st of January 2009 The first Bitcoin Transaction 100 BTC by Satoshi Nakamoto New Cryptocurrencies Namecoin, Litecoin, PPCoin, Novacoin, Ripple and many others Crypto Digital money protected by cryptographic technology Цифровая валюта, защищенная с помощью криптографических технологий Each unit is changing the encrypted code What is Crypto? Note: Fiat Money is a currency established as money by government regulation or law. Most currencies were based on physical commodities such as gold or silver, but fiat money is based solely on the faith and credit of the economy. Blockchain BLOCKCHAIN Crypto currency was based on the blockchain technology. It is a database which is stored on many computers connected with each other online. If a computer adds its info >>> all other participants of the chain also reflect the changes How transactions usually work 100 RUB 97 RUB In order to store the information all transactions are merged into units. These units are cryptographically and chronologically between each other into a chain through special mathematical mechanisms. A new unit is always joined the end of the line and it automatilly embeded in in the existing database of all other computers. It helps to get the information about all transactions made before. Blockchain idea It's impossible to change a unit without changing the data of all other units. Software continuously issues some new coins. They are just digital addresses and balances stored in the public database of transacitons - Blockchain. You will find the details here http://lurkmore.so/images/a/a8/Bitcoin_Transactions_Explained_Wide_PEREVOD.jpg Transaction sample Advantages of Blockchain 1. Transparent and publicly accessible ledger that allows us to securely transfer the ownership of units of value using public key encryption and proof of work methods. 2. No third party. The technology uses decentralized consensus to maintain the network, which means it is not centrally controlled by a bank, corporation, or government If you send cryptocurrency\info through blockchain, the proof of the transaction cannot be changed or falsified, because it is confirmed by thousands of computers all over the world. 3. The information is available for every user at any time. 4. The process is faster and cheaper. 5. Mathematical guarantee So... why is it so good? Blockchain can be used to transform financial systems in the crypto encryption. Wire transfers can be performed through blockchain. Blockchain may make the process safer and more reliable. Russian Experts: cryptocurrency help to overcome economic sanctions. Why are the banks so interested in blockchain? Mining Where do crypto coins come from? The process of creating of new units mentioned before is MINING. Mining helps the system work well and it helps miners earn money. "To mine crypto" means to confirm transactions in blockchain and gets a reward from the system and participants. 1. In order to add a new unit to the chain, we should generate a special cryptographic signature for it. 2. A user provides his computing power (вычислительная мощность) for the generation 3. He gets a reward which is cryptocurrency. Reward: 1 unit = 12,5 BTC ($ 48 812) 1 unit = 5 ETH ($ 1530) Maximum volume is usually stated by the developers from the very begining. Limited Issue of cryprocurrencies сontrols their inflation and gradually increases their value. Some coins (for example, PPCoin, Novacoin, Sifcoin etc) do not have fixed maximum. In this case inflation depends on the production rate and current turnover of the monetary units. Currency issue The issue of cryptocurrency is not infinite. Let's say there are special lids. Limited edition. It's impossible to fake them and you cannot go to a shop and buy lemonade, because it isn't produced any more. So you can just wander about, watch your step and hope you will see a lid. The edition was limited. So... demand is growing, price is rising. Cooperation. It was easy to find the lids at first, but the process is becoming more and more dificult. People have to сooperate, work in groups and spend much time and resources to find a lid. Lids can be exchanged for different needed things. Some people lay in a stock, because they are waiting for the price increase. Let's talk about lemonade Lids 1. Choose crypto 2. Choose equipment (software, internet with a good ping level, server) 3. Choose a wallet where the currency is going to be stored 4. Do the rest and get the coins :) Success of mining depends on the computation power of the computer. The higher it is, the more likely you will get a reward How to mine? Yes, you can But there are too many big competitors these days.

Crypto

Transcript: Presented by Jaxson Benningfield Investing In Cryptocurrency My Research Question How has cryptocurrencies, like Bitcoin, Ethereum, and Litecoin, affected the lives and money allocation of American investors since its creation in 2009? I reccomend Investing in Cryptocurrencies because of the high chance to make money and to learn about new technology and currency. My Research Question Prices That is the increase of the Price of Bitcoin from the lowest point, to the highest. The prices of Cryptocurrency have been trailing back recently after their peak in late December and Early January. 25000000% Link Link https://coinmarketcap.com/ Allocation This visualization shows the total money allocation, of all cryptocurrency. The spread of cryptocurrency https://coin360.io/ Link Link History Bitcoin was the first cryptocurrency made by Satoshi Nakamoto, on January 3, 2009. Market Cap The Market Cap of Cryptocurrency has soared above the biggest U.S. companies in the world. The Market cap has fallen from that peak, around 50%. Now there are only a couple of compnies still bigger than the cryptocurrency market. Market Capitalization https://coinmarketcap.com/charts/ Link Link Only a couple cents could get you a Bitcoin back when it was created now it takes thousands of dollars. Regret Regret http://fortune.com/2017/12/12/bitcoin-historical-investment-values/ Link Link At its Birth, Bitcoin was $0.08 and if you only put in $100, which is what someone would put in to a very risky investment, you could have bought 1250 Bitcoins. At the peak, Those Bitcoins would be worth around ... $$$ $$$ $31.25 Billion $31.25 Billion And that is only one cryptocurrency. ... Conclusion Investing in Cryptocurrency is a great opportunity to make money, learn, and understand one of the newest technologies. Investors have poured more into cryptocurrencies than almost the top American companies. The gains have been more than 25,000,000%. And I have an idea that the gains are not over yet! Conclusion Works Cited Coinmarketcap, coinmarketcap.com/charts “Cryptocurrency Market State Visualization.” Cryptocurrency Market State Visualization, cryptomaps.org/. Desjardins, Jeff. “All the World's Money and Markets in One Visualization.” The Money Project, 26 Oct. 2017, money.visualcapitalist.com/worlds-money-markets-one-visualization-2017/. “Bitcoin Regrets: How Much $100 Would Be Worth Today If You Invested Earlier.” Fortune, fortune.com/2017/12/12/bitcoin-historical-investment-values/. “Stock Screener.” Stock Screener - Search and Filter Stocks on TradingView, www.tradingview.com/screener/. Works Cited

Crypto

Transcript: Facts I asked him what medicine I would need to take and he said that most people didn't need medicine but some responded to certain antibiotics. Crypto The symptoms for crypto are: frequent watery diarrhea, Fatigue,Fever,Nausea, and Vomiting. Post sickness The biggest known outbreak of Crypto was in Milwaukee in 1993. I am sick, the doctor said I had cryptosporiousis. The doctor made me give him a stool sample also known as a feces sample and he then diagnosed me with crypto. To get the stool sample he made me poop in a cup like a bucket. I asked him how to prevent my friends and family getting it. He told me that the way I could avoid it was to boil all drinking water before drinking it. Facts Continued I new that I was sick when I had frequent watery diarrhea, I was really tired, and I was frequently dehydrated. The risk factors are; backpackers, swimmers, people who drink dirty water. Treatment The way that it is spread is through a parasite in dirty water. It goes into your intestines and reproduces, so that your intestines cant absorb food/water. The complications are; malnutrition severe dehydration, wasting inflammation of bile duct, and inflammation in the liver or pancreas. The risk factor is, children parents of infected kids, child care workers, animal handlers, and those who engage in anal-to-oral sexual activities. How to get it Bye Immunity If you have an immune compromising disease then you need to wash hands frequently, avoid cattle,avoid untreated water, and thoroughly wash anything going into your mouth. The only known cure for it is that some people will respond to certain antibiotics. so I asked my doctor if there was a way to gain immunity, He said no. How to prevent Now after a week my doctor told me that I was not sick anymore. my doctor told me that I was no longer sick after a week of care. facts AGAIN I asked him how I got it and he asked me if I went swimming in the lake this weekend. I told him that I had. He then announced that was why I was sick. He told me that it was a waterborne parasite.

Crypto

Transcript: Presented by Máté Zsófia Cryptocurrencies What are cryptocurrencies? What are cryptocrrencies? digital asset designed to work as a medium of exchange uses cryptography to: a, secure transactions b, control the creation of additional units c, verifiy the transfer of assets Publicity Publicity seen as a challenge for the central banks: --> loss of consumer confidence in fiat currencies --> harder to control the important functions of monetary and exchange rate policy (e.g. giving out credits) --> bitcoin ATMs have been installed since 2014, mostly in the United States --> Dogecoin: charitable organization Legality Legality varies from country to country still undefined or changing some coins are classified differently if declared as money: subjected to capital gain tax in the US: virtual assets - Frauds may occur - untrackable, therefore can be used for criminal activities - used by darknet users Initial Coin Offering a fundraiser for a new cryptocurrency venture /vállalkozás/ allows the startups to bypass rigorous and regulated capital-raising processes (required by venture capitalists and banks) percentage of coins to early backers -- for legal tender or other cryptocurrencies e.g. Bitcoin, Ethereum ICO-s ICO-s Around the world Around the world Decentralized: the system works without a central repository or a single administrator -> maintained by users all around the world Bitcoin Bitcoin a worldwide cryptocurrency and digital payment system invented by an unknown person or group under the name of Satoshi Nakamoto open source-software uses peer-to-peer system transactions: verified by network nodes and recorded in a public distributed ledger, A.K.A. the blockchain price at the moment is $9650 (for one coin) How it works How it works -decentralized: public ledger -transactions: inputs + outputs no transaction fees -produced by mining (takes approx. 10 minutes) ->proof of work -after each block: 12.5 bitcoin reward -limit: 21 million bitcoins by 2140 -> artificial scarcity -wallets are basically the ledgers they contain your public and private keys Simplified explanation Simplified explanation Sites Sites As a market As a market Classified as a digital asset as a currency: 3 useful qualities -hard to earn -limited in supply -easy to verify by 2015: more than 100,000 merchants accepted bitcoin (e.g. Paypal, Microsoft, Dell, Newegg) can be used as an investment -> high risk - high reward if the price starts to fall rapidly: similar to hyperdeflation - holders try to cash out immediately but they can't because the blockchain slows the process -> meanwhile the price falls further -> another solution: converting bitcoins into other cryptocurrencies (+1000 of them) Competitors Competitors Other cryptocurrencies, known as altcoins: IOTA USD price: $0.9835 ETH USD price: $475.17 REQ USD price: $0.068778 LTC USD price: $89.32 DOGE USD price: $0.001948 NXT USD price: $0.214042 ARK USD price: $3.73 The future The future

Crypto

Transcript: Presented by: Keaton Romeiser Cryptocurrency Explained Cryptocurrency is a digital form of currency. It is complex, but can be explained simply in a few ways. What is it? -Tangible -Set Value -Government Regulated -Restrictions and tracked Defining Factors of Common Currencies -Non-Tangible -Highly Secure -Free of Regulations -Instant Defining Factors of a Cryptocurrency How It All Began The Father of Cryptocurrency, Sakoshi Nakamoto Sakoshi Created cryptocurrency, on accident in 2009. He had no intention for it to become a phenomena. Cryptocurrency was developed due to word of mouth and a rising demand for an anonymous form of payment that was not risky for either party. Forms of Cryptocurrency Over 1,600 different forms of cryptocurrency Some are very impressive and respected, and others are not. Whats the difference? Bitcoin Bitcoin was the first, and most prominent form of cryptocurrency. It set the standard for what cryptocurrencies were. It is also the most expensive form of cryptocurrency, but was not always expensive. One bitcoin retailed at $1 USD in 2009. Hundreds of businesses have made deals with Bitcoin, allowing it to be used for their products, or even changed into cash. Crypto A Crypto A is an imaginary supplier of cryptocurrency Anyone can make a form of cryptocurrency with a software and market it. They are not as reputable and often sell for very cheap, as there are not many real world uses for them without backing by companies. What can it be used for? Traded in for Cash Companies Illegal Activties How it works in 3 Steps Presenting data Broken Down Simply In three simple steps, its easy to understand. A Buyer finds a Seller Buyer and Seller are both anonymous to each other They make an agreement and when the buyer sends out payment to the seller, it is routed through a worldwide system that cannot be hacked, and the payment is passed through someone known as a "Miner" to verify legitimacy (how else do we make purchases?) Compare to checking out in a store: The store is the seller, the miner is the cashier, and the customer is still the customer. The miner is paid (by the cryptocurrency) in parts of cryptocurrency to verify and process the transactions safely. What does the miner do? (puts the money away for the seller) Finalization: Where does it end up? The seller: Takes their currency and thats it. The miner adds that transaction to a ledger called a "block chain". It is used for determining value and tracking the currency once its spent.

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