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The Bitcoin world is abuzz with both excitement and curiosity… and the opportunity for upside potential to skyrocket. Everyone from everyday Joes to reputable experts are betting on Bitcoin’s success. Cryptocurrency Tool Kit for only $7 It’s been a wild 8 years since Bitcoin’s release. Most notably, we’ve seen headlines of people who fortuitously purchased bitcoins early on turn into kid-millionaires. With the immense potential of new cryptocurrencies, our attention often turns to Bitcoin as a quintessential example of what’s to come. We’ve designed this guide to teach you about Bitcoin so that you’re up to speed and ready to join the crypto-world. What is Bitcoin? Released as an open-source software in 2009, Bitcoin is often credited as the world’s first cryptocurrency and is best defined as a digital currency that only exists electronically. Bitcoin is decentralized, meaning it doesn’t have a central issuing authority or political institution that controls the amount of bitcoin in circulation. But the Bitcoin platform is far from anarchy. The whole process is pretty simple and organized: Bitcoin holders are able to transfer bitcoins via a peer-to-peer network. These transfers are tracked on the “blockchain,” commonly referred to as a giant ledger. This ledger records every bitcoin transaction ever made. Each “block” in the blockchain is built up of a data structure based on encrypted Merkle Trees. This is particularly useful for detecting fraud or corrupted files. If a single file in a chain is corrupt or fraudulent, the blockchain prevents it from damaging the rest of the ledger. Instead of relying on a government to print new currency, Bitcoin’s blockchain programming handles when bitcoins are made and how many are produced. It also keeps track of where bitcoins are and ensures the transactions are accurate. There are currently about 17 million bitcoins in circulation. There isn’t a central regulatory agency or government controlling the supply of bitcoins, meaning the supply is controlled by design. The total supply to ever be created is capped at 21 million bitcoins. This cap raises an argument that Bitcoin could have problems scaling. However, since Bitcoin is essentially infinitesimally divisible (meaning users can transfer as little as 0.00000001 bitcoins), this doesn’t really create a scaling issue. The magic number of 21 million is arbitrary. It’s believed that Bitcoin was designed to become a deflationary currency to combat the government’s use of inflation as a hidden taxation to redistribute earned wealth. Many people praise Bitcoin for empowering the people by overthrowing the currency printing powers of transient politicians. How Does Bitcoin Work? One of Bitcoin’s most appealing features is its ruthless verification process, which greatly minimizes the risk of fraud. Since Bitcoin is decentralized, volunteers—referred to as “miners”—constantly verify and update the blockchain. Once a specific amount of transactions are verified, another block is added to the blockchain and business continues per usual. What is “Mining”? Instead of a single central server verifying every transaction, essentially every other person on the network verifies each transaction. Cue the “miners.” Let me simplify the process so we all understand: Miners are presented with a complicated math problem and the first one to solve the math problem adds the verified block of transactions to the ledger. The calculations are based on a Proof of Work (POW), or the proof that a minimum amount of energy was spent to get a correct answer. There aren’t actual human beings hunched over computers with scraps of notebook paper and calculators doing pre-calculus homework; hardware is used to perform Bitcoin mining. Bitcoin’s built-in reward system compensates successful miners with a chunk of bitcoins. The reward changes over time per Bitcoin’s programming, and the block reward halves about every four years. The current reward for each new block of verified transactions is about 12.5 bitcoins. The mining processes have become increasingly sophisticated. The most popular method uses ASICS–Application-Specific Integrated Circuits. ASICS are hardware systems similar to CPU computers that are built for the sole reason of mining bitcoins. Bitcoin mining operations take a lot of effort and power, and the sheer amount of competition makes it difficult for newcomers to enter the race and profit. A new miner would not only need to have adequate computing power and the knowledge to use it to outcompete the competition, but would also need the extensive amount of capital necessary to fund the operations. A Simple Bitcoin Transaction Example While Bitcoin’s underlying technology may seem hard to grasp, using Bitcoin does not have to be difficult. Here’s an example of how simple a real world Bitcoin transaction can be. A Simple Bitcoin Transaction Infographic Bitcoin Wallets: How to Store Your Bitcoins So, you’ve got this digital currency. You can’t really chuck it in your pocket. Let’s go through some useful definitions before we jump into storing cryptos: Exchange platform: where you trade money for cryptocurrencies such as Bitcoin, Ethereum, or Litecoin. You can also trade one cryptocurrency for another. Wallet platform: essentially a bank account where your cryptocurrencies are kept. Hard wallet: an “offline” wallet that is not linked to a network. Public Cryptographic Key: your account number. Similar to how someone would send money to your bank account via your account number, your public cryptographic key is the information you give to someone to receive cryptos. Private Cryptographic Key: the key that allows you to spend your Bitcoins and other cryptocurrencies. You guard this with your life. If someone has access to it, they can transfer (steal!) your bitcoins. Now that we’ve got that out of the way, we can discuss Bitcoin wallet better. When you hear of bitcoins being hacked, you’re probably hearing about an “exchange platform” being hacked. Since Bitcoin’s blockchain structure makes it EXTREMELY difficult to hack (borderline impossible), it is considered very secure. Exchanges, however, are a different story. Perhaps the most notable Bitcoin exchange hack was the Tokyo-based MtGox hack in 2014, where 850,000 bitcoins with a value of over $350 million suddenly disappeared from the platform. This doesn’t mean that Bitcoin itself was hacked; it just means that the exchange platform was hacked. Imagine a bank in Iowa is robbed: the USD didn’t get robbed, the bank did. Industries surrounding Bitcoin are new and not without their kinks. Bitcoin advocate and esteemed venture capitalist Marc Andreessen stated, “MtGox had to die for Bitcoin to thrive. Its former role from early Bitcoin days has been supplanted by better, stronger entities.” Even though most wallet platforms are considered extremely secure, the prospect of hackers makes many users paranoid.