Is Bitcoin Secure?

Bitcoin is a digital or virtual currency that uses peer-to-peer technology to facilitate instant payments. Transactions are cryptographically validated by network nodes and published in a public distributed ledger known as a blockchain. Bitcoin is unique in that there are a finite number of them: 21 million. Bitcoins are created to reward a process known as mining.

Bitcoin, cryptocurrency, currency, crypto currency.
Photo by Gerd Altmann on Pixabay

A Few Things to Consider Before Investing in Bitcoin

Before making any decision, it's essential to do your research and weigh the risks and potential rewards. Investing in Bitcoin is risky, but it could pay off if you're willing to take the gamble.


The price of Bitcoin is notoriously volatile. Prices can fluctuate wildly daily and even by the hour. If you're not prepared for this level of volatility, investing in Bitcoin may not be the right decision.


One of the biggest concerns surrounding Bitcoin is the lack of regulation. Because it's a decentralized currency, there is no government or financial institution that controls it. This can make it challenging to find information and resources if you need help or have questions.


Another concern regarding Bitcoin is the potential for hacking. Because it's a digital currency, it's susceptible to attacks from cybercriminals. If you're thinking about investing in Bitcoin, be sure to take steps to protect your account and your investment.


Bitcoin is still a relatively new technology, and it's not always easy to find places to buy and sell it. If you're uncomfortable using online exchanges or wallets, investing in Bitcoin may not be the right choice.

Bitcoin Risks

Because of the enormous variations in its price, investing in Bitcoin might be difficult for individuals. Bitcoin's volatility is significantly higher than that of equities. This makes Bitcoin a riskier asset, but its past outperformance relative to the S& P 500 motivates many investors to assume a bit of risk in exchange for possibly more significant profits. Bitcoin is volatile for a variety of reasons. First, there is conjecture about Bitcoin's other cryptocurrencies' future usefulness.

According to Robert Johnson, a finance professor at Creighton University, Bitcoin is a "very suitable vehicle for someone who is a speculative - either a bull or a bear." BTC's value might climb rapidly, fall, or do both repeatedly. Bitcoin has no fundamental worth. Therefore investors can only guess its future price, he claims.

Another danger that Bitcoin faces is cyberattacks. Hackers target cryptocurrency exchanges, where billions of dollars in market capitalization have been stolen since Bitcoin was established in January 2009 in the wake of the Great Recession.

Environmentally concerned investors should be aware of the effect Bitcoin activities have on the environment. The Bitcoin network is up and running thanks to Bitcoin mining, which entails confirming transactions and ensuring the blockchain network's integrity. This procedure is known as "proof of work." However, it needs a large amount of processing power to operate, resulting in substantial energy usage.

If you have an aspect of environmental, social, and governance, or ESG, in your investment plan, consider that Bitcoin mining might jeopardize those values.

Can a Cryptocurrency Like Bitcoin Be Hacked?

Because the whole network is continually examining the Bitcoin blockchain, Bitcoin is regarded as hack-proof. Attacks directly on the blockchain are thus sporadic. Furthermore, since it is decentralized and distributed, blockchain technology is well adapted to withstand assaults from computer hackers. A 51 percent attack is one of the possible outcomes of these end-of-the-world scenarios. Since its conception, there has been no successful attack against Bitcoin itself. However, interfaces like wallets used to manage cryptocurrencies are still susceptible to many kinds of assaults. On the other hand, hacking has occurred to individuals and websites since they are much simpler targets.

Why Is Bitcoin Called Hack-proof?

Because the whole network regularly reviews the Bitcoin blockchain, it is considered hack-proof. As a result, assaults on the blockchain are very improbable. Each participant (miner) who maintains Bitcoin's ledger is constantly solving complicated arithmetic problems to create a new block containing a collection of transactions.

The cryptographic hash function of Bitcoin generates very challenging arithmetic issues. For example, when a new block is added to the database, every node in the network must agree on its authenticity. Only when all nodes agree does the Bitcoin ledger get updated.

It is incredibly tough to manipulate a cryptocurrency network. The Bitcoin blockchain's decentralized, historical, and processing, power-intensive qualities make erasing or overwriting a block of previously spent Bitcoin, known as "double spending," complicated.

What Is a 51% Attack?

A 51% attack is very arguably the greatest danger to blockchains. A possible situation might be as follows: If a single person or organization gains control of the bulk of the network's mining power (hash rate), the Bitcoin network's transaction history might theoretically be modified and erased.

To select which transactions to allow and which to reject, a majority (therefore 51 percent) is always necessary. This implies that a majority of 51 percent might theoretically modify a blockchain's distributed record, allowing for double-spending (the execution of the same transaction multiple times). On the other hand, this circumstance is challenging to produce and improbable.


Since its beginnings in 2009, Bitcoin has come a long way. It has become a widely accepted form of currency. Though it is still considered a volatile investment, its popularity only increases as more people begin to see its potential.

As Bitcoin becomes more mainstream, its price will likely continue to rise. While there are no guarantees in the world of investments, those who invest early in Bitcoin may be rewarded handsomely in the years to come.