What is Bitcoin?

Bitcoin is a consensus network that enables a new payment system and a completely digital money. It is the first decentralized peer-to-peer payment network that is powered by its users with no central authority or middlemen. From a user perspective, Bitcoin is pretty much like cash for the Internet. Bitcoin can also be seen as the most prominent triple entry bookkeeping system in existence.

Who created Bitcoin?

Bitcoin is the first implementation of a concept called “cryptocurrency”, which was first described in 1998 by Wei Dai on the cypherpunks mailing list, suggesting the idea of a new form of money that uses cryptography to control its creation and transactions, rather than a central authority. The first Bitcoin specification and proof of concept was published in 2009 in a cryptography mailing list by Satoshi Nakamoto. Satoshi left the project in late 2010 without revealing much about himself. The community has since grown exponentially with many developers working on Bitcoin.

Satoshi’s anonymity often raised unjustified concerns, many of which are linked to misunderstanding of the open-source nature of Bitcoin. The Bitcoin protocol and software are published openly and any developer around the world can review the code or make their own modified version of the Bitcoin software. Just like current developers, Satoshi’s influence was limited to the changes he made being adopted by others and therefore he did not control Bitcoin. As such, the identity of Bitcoin’s inventor is probably as relevant today as the identity of the person who invented paper.

Who controls the Bitcoin network?

Nobody owns the Bitcoin network much like no one owns the technology behind email. Bitcoin is controlled by all Bitcoin users around the world. While developers are improving the software, they can’t force a change in the Bitcoin protocol because all users are free to choose what software and version they use. In order to stay compatible with each other, all users need to use software complying with the same rules. Bitcoin can only work correctly with a complete consensus among all users. Therefore, all users and developers have a strong incentive to protect this consensus.

Why do people trust Bitcoin?

Much of the trust in Bitcoin comes from the fact that it requires no trust at all. Bitcoin is fully open-source and decentralized. This means that anyone has access to the entire source code at any time. Any developer in the world can therefore verify exactly how Bitcoin works. All transactions and bitcoins issued into existence can be transparently consulted in real-time by anyone. All payments can be made without reliance on a third party and the whole system is protected by heavily peer-reviewed cryptographic algorithms like those used for online banking. No organization or individual can control Bitcoin, and the network remains secure even if not all of its users can be trusted.

How does Bitcoin work?

From a user perspective, Bitcoin is nothing more than a mobile app or computer program that provides a personal Bitcoin wallet and allows a user to send and receive bitcoins with them. This is how Bitcoin works for most users.

Behind the scenes, the Bitcoin network is sharing a public ledger called the “block chain”. This ledger contains every transaction ever processed, allowing a user’s computer to verify the validity of each transaction. The authenticity of each transaction is protected by digital signatures corresponding to the sending addresses, allowing all users to have full control over sending bitcoins from their own Bitcoin addresses. In addition, anyone can process transactions using the computing power of specialized hardware and earn a reward in bitcoins for this service. This is often called “mining”. To learn more about Bitcoin, you can consult the dedicated page and the original paper.

What are the advantages of Bitcoin?

Payment freedom – It is possible to send and receive bitcoins anywhere in the world at any time. No bank holidays. No borders. No bureaucracy. Bitcoin allows its users to be in full control of their money.

Choose your own fees – There is no fee to receive bitcoins, and many wallets let you control how large a fee to pay when spending. Higher fees can encourage faster confirmation of your transactions. Fees are unrelated to the amount transferred, so it’s possible to send 100,000 bitcoins for the same fee it costs to send 1 bitcoin. Additionally, merchant processors exist to assist merchants in processing transactions, converting bitcoins to fiat currency and depositing funds directly into merchants’ bank accounts daily. As these services are based on Bitcoin, they can be offered for much lower fees than with PayPal or credit card networks.

Fewer risks for merchants – Bitcoin transactions are secure, irreversible, and do not contain customers’ sensitive or personal information. This protects merchants from losses caused by fraud or fraudulent chargebacks, and there is no need for PCI compliance. Merchants can easily expand to new markets where either credit cards are not available or fraud rates are unacceptably high. The net results are lower fees, larger markets, and fewer administrative costs.

Security and control – Bitcoin users are in full control of their transactions; it is impossible for merchants to force unwanted or unnoticed charges as can happen with other payment methods. Bitcoin payments can be made without personal information tied to the transaction. This offers strong protection against identity theft. Bitcoin users can also protect their money with backup and encryption.

Transparent and neutral – All information concerning the Bitcoin money supply itself is readily available on the block chain for anybody to verify and use in real-time. No individual or organization can control or manipulate the Bitcoin protocol because it is cryptographically secure. This allows the core of Bitcoin to be trusted for being completely neutral, transparent and predictable.

What are the disadvantages of Bitcoin?

Degree of acceptance – Many people are still unaware of Bitcoin. Every day, more businesses accept bitcoins because they want the advantages of doing so, but the list remains small and still needs to grow in order to benefit from network effects.

Volatility – The total value of bitcoins in circulation and the number of businesses using Bitcoin are still very small compared to what they could be. Therefore, relatively small events, trades, or business activities can significantly affect the price. In theory, this volatility will decrease as Bitcoin markets and the technology matures. Never before has the world seen a start-up currency, so it is truly difficult (and exciting) to imagine how it will play out.

Ongoing development – Bitcoin software is still in beta with many incomplete features in active development. New tools, features, and services are being developed to make Bitcoin more secure and accessible to the masses. Some of these are still not ready for everyone. Most Bitcoin businesses are new and still offer no insurance. In general, Bitcoin is still in the process of maturing.

Why do I have to wait for confirmation?

Receiving notification of a payment is almost instant with Bitcoin. However, there is a delay before the network begins to confirm your transaction by including it in a block. A confirmation means that there is a consensus on the network that the bitcoins you received haven’t been sent to anyone else and are considered your property. Once your transaction has been included in one block, it will continue to be buried under every block after it, which will exponentially consolidate this consensus and decrease the risk of a reversed transaction. Each confirmation takes between a few seconds and 90 minutes, with 10 minutes being the average. If the transaction pays too low a fee or is otherwise atypical, getting the first confirmation can take much longer. Every user is free to determine at what point they consider a transaction sufficiently confirmed, but 6 confirmations is often considered to be as safe as waiting 6 months on a credit card transaction.

How much will the transaction fee be?

Transactions can be processed without fees, but trying to send free transactions can require waiting days or weeks. Although fees may increase over time, normal fees currently only cost a tiny amount. By default, all Bitcoin wallets listed on Bitcoin.org add what they think is an appropriate fee to your transactions; most of those wallets will also give you chance to review the fee before sending the transaction.

Transaction fees are used as a protection against users sending transactions to overload the network and as a way to pay miners for their work helping to secure the network. The precise manner in which fees work is still being developed and will change over time. Because the fee is not related to the amount of bitcoins being sent, it may seem extremely low or unfairly high. Instead, the fee is relative to the number of bytes in the transaction, so using multisig or spending multiple previously-received amounts may cost more than simpler transactions. If your activity follows the pattern of conventional transactions, you won’t have to pay unusually high fees.

What if I receive a bitcoin when my computer is powered off?

This works fine. The bitcoins will appear next time you start your wallet application. Bitcoins are not actually received by the software on your computer, they are appended to a public ledger that is shared between all the devices on the network. If you are sent bitcoins when your wallet client program is not running and you later launch it, it will download blocks and catch up with any transactions it did not already know about, and the bitcoins will eventually appear as if they were just received in real time. Your wallet is only needed when you wish to spend bitcoins.

What does “synchronizing” mean and why does it take so long?

Long synchronization time is only required with full node clients like Bitcoin Core. Technically speaking, synchronizing is the process of downloading and verifying all previous Bitcoin transactions on the network. For some Bitcoin clients to calculate the spendable balance of your Bitcoin wallet and make new transactions, it needs to be aware of all previous transactions. This step can be resource intensive and requires sufficient bandwidth and storage to accommodate the full size of the block chain. For Bitcoin to remain secure, enough people should keep using full node clients because they perform the task of validating and relaying transactions.

What is Bitcoin mining?

Mining is the process of spending computing power to process transactions, secure the network, and keep everyone in the system synchronized together. It can be perceived like the Bitcoin data center except that it has been designed to be fully decentralized with miners operating in all countries and no individual having control over the network. This process is referred to as “mining” as an analogy to gold mining because it is also a temporary mechanism used to issue new bitcoins. Unlike gold mining, however, Bitcoin mining provides a reward in exchange for useful services required to operate a secure payment network. Mining will still be required after the last bitcoin is issued.

How does Bitcoin mining work?

Anybody can become a Bitcoin miner by running software with specialized hardware. Mining software listens for transactions broadcast through the peer-to-peer network and performs appropriate tasks to process and confirm these transactions. Bitcoin miners perform this work because they can earn transaction fees paid by users for faster transaction processing, and newly created bitcoins issued into existence according to a fixed formula.

For new transactions to be confirmed, they need to be included in a block along with a mathematical proof of work. Such proofs are very hard to generate because there is no way to create them other than by trying billions of calculations per second. This requires miners to perform these calculations before their blocks are accepted by the network and before they are rewarded. As more people start to mine, the difficulty of finding valid blocks is automatically increased by the network to ensure that the average time to find a block remains equal to 10 minutes. As a result, mining is a very competitive business where no individual miner can control what is included in the block chain.

The proof of work is also designed to depend on the previous block to force a chronological order in the block chain. This makes it exponentially difficult to reverse previous transactions because this requires the recalculation of the proofs of work of all the subsequent blocks. When two blocks are found at the same time, miners work on the first block they receive and switch to the longest chain of blocks as soon as the next block is found. This allows mining to secure and maintain a global consensus based on processing power.

Bitcoin miners are neither able to cheat by increasing their own reward nor process fraudulent transactions that could corrupt the Bitcoin network because all Bitcoin nodes would reject any block that contains invalid data as per the rules of the Bitcoin protocol. Consequently, the network remains secure even if not all Bitcoin miners can be trusted.

Is Bitcoin really used by people?

Yes. There are a growing number of businesses and individuals using Bitcoin. This includes brick-and-mortar businesses like restaurants, apartments, and law firms, as well as popular online services such as Namecheap and Overstock.com. While Bitcoin remains a relatively new phenomenon, it is growing fast. As of May 2018, the total value of all existing bitcoins exceeded 100 billion US dollars, with millions of dollars worth of bitcoins exchanged daily.

How does one acquire bitcoins?

• As payment for goods or services.
• Purchase bitcoins at a Bitcoin exchange.
• Exchange bitcoins with someone near you.
• Earn bitcoins through competitive mining.

While it may be possible to find individuals who wish to sell bitcoins in exchange for a credit card or PayPal payment, most exchanges do not allow funding via these payment methods. This is due to cases where someone buys bitcoins with PayPal, and then reverses their half of the transaction. This is commonly referred to as a chargeback.

How difficult is it to make a Bitcoin payment?

Bitcoin payments are easier to make than debit or credit card purchases, and can be received without a merchant account. Payments are made from a wallet application, either on your computer or smartphone, by entering the recipient’s address, the payment amount, and pressing send. To make it easier to enter a recipient’s address, many wallets can obtain the address by scanning a QR code or touching two phones together with NFC technology.

Can I make money with Bitcoin?

You should never expect to get rich with Bitcoin or any emerging technology. It is always important to be wary of anything that sounds too good to be true or disobeys basic economic rules.

Bitcoin is a growing space of innovation and there are business opportunities that also include risks. There is no guarantee that Bitcoin will continue to grow even though it has developed at a very fast rate so far. Investing time and resources on anything related to Bitcoin requires entrepreneurship. There are various ways to make money with Bitcoin such as mining, speculation or running new businesses. All of these methods are competitive and there is no guarantee of profit. It is up to each individual to make a proper evaluation of the costs and the risks involved in any such project.

Top Three Tips You Need to Know Before Investing in Bitcoin

Where to Buy Bitcoin

To buy bitcoin (BTC) or any other cryptocurrency, you need access to a crypto exchange. A crypto exchange is where buyers and sellers meet to exchange money for coins, coins for other coins, and coins for money. Many options are available such as Coinbase, Binance.com, or eToro – each come with various fee structures, so research which is best for your needs.

You also need access to a crypto wallet to store bitcoin and other cryptocurrencies. Many exchanges provide these, but not all do. You can also buy bitcoin on platforms like Paypal and Robinhood.

Dollar-Cost Averaging

Cryptocurrencies can be extremely volatile. One way to cope with the volatility is to use dollar-cost averaging. Dollar-cost averaging is a strategy where you divide the total amount you want to invest across periodic purchases of the target asset. It simply means that you would invest the same number of dollars each month or quarter, regardless of market trends.

The idea is that when prices are high, you can afford less of the asset. But when prices are low, you can afford more. When the market recovers, you benefit from having bought more shares at the lower price. Please note that using this strategy will not always result in a profit or necessarily protect you from falling prices.

Diversify Your Crypto Portfolio

With the crypto landscape so volatile and diverse, managing risk in a portfolio is critical. That essentially means position sizing and diversification – as with any other kind of investment.

One of the best pieces of investment advice we have heard recently comes from Ari Paul, co-founder and CIO of Blocktower Capital, a crypto and blockchain investment firm. As Paul says,

‘Risk is only sizing. So, if you think bitcoin is too risky, you could size it at 0.1% of your portfolio or 0.001%. Too risky is never a reason not to own an asset. If something is positive expected value, risk adjusted, and relatively low correlation, you have to own it. That’s peak portfolio management 101.’

FAQs

Is now a good time to buy bitcoin?

For trading bitcoin over the next two to four weeks, we are slightly bearish. That means we expect falling prices. However, we think bitcoin is a good long-term investment for the next one to three years and are bullish overall. That means we expect prices to rise in the long term.

When was bitcoin at its lowest?

Since the start of 2021, bitcoin was at its lowest on 18 June 2022, when the BTC price was $17,786. Of course, prior to bitcoin’s major bull run in late 2020, it was much lower – under $10,000. However, bitcoin has not reverted to these lows even amid significant drawdowns.

Can you lose your money buying BTC now?

As with all investments, the value of bitcoin can rise as well as fall. While it is unlikely that bitcoin will suffer a complete loss of value, investors must be prepared to suffer drawdowns of between 50% and 80%. We recommend small allocations and diversification of your portfolio. Never invest what you cannot afford to lose.

When to sell bitcoin?

Traditional wisdom says you should buy low and sell high. But whether you should sell bitcoin depends on your investment horizon, risk appetite and financial goals. Although some websites speculate that certain days of the week are better or worse than others for selling bitcoin, we believe that any decision to buy or sell should be based on an analysis of crypto fundamentals.

Appendix: What Are in the Four Indices?

Bitcoin: the OG of crypto markets deserves its own category and is in many ways the true benchmark for any other crypto market.

Smart contract platforms: after bitcoin, the big innovation was to have blockchains that were more programmable. These could host smart contracts or decentralised applications and have allowed the emergence of the metaverse and defi. Ethereum (ETH) is the most popular version of a smart contract platform. As well as ethereum, we also include some key competitors. The constituents of this index are: Ethereum (ETH), Cardano (ADA), Avalanche (AVAX), Solana (SOL), Fantom (FTM), VeChain (VET), Terra (LUNA), EOS (EOS), and Chainlink (LINK). We also include Polkadot (DOT) which allows interoperability between blockchains and the use of smart contracts via parachains.

Metaverse: coins associated with the creation of a virtual space/digital world on the internet using a combination of augmented reality, virtual reality, and social networks. The constituents of this index are Axie Infinity (AXS), The Sandbox (SAND), Decentraland (MANA), Enjin Coin (ENJ), Aavegotchi (GHST), Terra Virtua Kolect (TVK), Ultra (UOS), Phantasma (SOUL), RedFOX Labs (RFOX), and Gala (GALA).

Decentralised Finance (DeFi): financial services built on top of blockchain networks with no central intermediaries. This can be a broad category, so we narrow this down to platforms that focus on lending/borrowing, yield farming, automated market making and decentralised exchange tokens. The constituents of this index are: Aave (AAVE), Compound (COMP), Uniswap (UNI), Yearn.finance (YFI), Loopring (LRC), PancakeSwap (CAKE), Maker (MKR), 1inch (1INCH), Thorchain (RUNE), and Terra (LUNA).

Privacy Coins: coins that obscure transactions on the blockchain to maintain the anonymity of its users and their activity. The constituents of this index are Monero (XMR), Zcash (ZEC), Dash (DASH), Verge (XVG), Horizen (ZEN), Beam (BEAM), Secret (SCRT), Decred (DCR), Keep Network (KEEP), and Dusk Network (DUSK).