Cryptocurrency and Blockchain what you need to know

Written by Shivansh · 3 min read >
What is the Difference Between Blockchain And Bitcoin? | Bernard Marr

The blockchain tech and cryptocurrency explained

It is not uncommon for cryptocurrency to receive a negative image from traditional investors as they believe it’s simply fake money on the internet. Although the actual value of cryptocurrency is nothing however the technology that powers cryptocurrency is where the real value is. The technology I’m talking about is known as blockchain.

Is a Blockchain a good thing?

A blockchain is a digital ledger that is comprised of records , also known as blocks. When an additional block is created it has the cryptographic hash of the prior block. They are connected to form an enchain. Every block that is created is validated by the block that is that is generated following it and are linked to the initial block, also known as the”genesis block..

Blockchains are highly resistant to changes to their information since any modification will require the remining of blocks. Mining a block is virtually impossible since once the transaction is confirmed by several confirmations Remining the block takes an enormous quantity of computational power.

Is cryptocurrency a thing?

Cryptocurrency is essentially the first blockchain-based project that is built upon blockchain technologies. It is groundbreaking because it’s the only form of currency that is able to transact transactions without intermediaries.

It is possible to think of crypto wallets being like banks that anyone anywhere in the world could easily set up and use across the globe. So, anyone living who is in a different country can set up a crypto wallet and transfer and receive money from someone located in the U.S. or anywhere else around the globe. Making a cryptocurrency wallet can be done in only a few 15 minutes.

Before the advent of crypto it was impossible to send money abroad, particularly without a bank helping out. Crypto is a great option for international businesses because today everyone around the world has the ability to purchase and sell goods and services without having to have valid accounts with banks. But, crypto isn’t protected, therefore if you’re fraud, you’ll have a hard time receiving your cryptocurrency back.

Crypto wallets

A crypto wallet’s creation is not a requirement to present a proof of ID or other evidence to show the identity of who you really are. The transactions made in the Blockchain are saved for a lifetime, which means they can be easily monitored. But all that is able to be observed is the wallet ID that is nothing more than a string of numbers and characters. It is difficult to figure out who controls the wallet.

The crypto wallets that are created through central exchanges such as Coinbase can be easily traced. This is due to the fact that you need to establish an account on Coinbase account which will connect your personal data with the account. There are a variety of wallets can be downloaded which do not require input of personal details as well as bank account details.

The two biggest cryptocurrencies

1- Bitcoin

Bitcoin is the biggest cryptocurrency both in terms of popularity and market capitalization. Bitcoin was the very first digital currency to be created that relies on a proof-of-work algorithm. The idea of proof-ofwork was created during 1993 by Cynthia Dwork and Moni Naor.

Bitcoins are mined making use of computers processing power. The majority of people who mine utilize GPUs (GPUs). When more bitcoins are being mined, it becomes increasingly difficult to mine more. Bitcoin comes with a block duration of 10 minutes. That means that new blocks will only be verified at intervals of 10 minutes.

Bitcoin is decentralized, which means there isn’t any central authority. Anyone can be a miner and anyone can open an account with bitcoin (wallet) and anyone is able to send transactions to the bitcoin network without having to wait to get approval. Bitcoin is extremely scarce due to the fact that it has a limit on the amount of 21 million bitcoins that is mineable.

2- Ethereum

Ethereum is the second-largest cryptocurrency in terms of market capitalization in the same category as Bitcoin. It’s also decentralized, and currently runs on the algorithm of proof-of-work. It is however planned to switch from proof-of-work to proof-of-stake through the process of upgrading known as Ethereum 2.0. Ethereum 2.0 is the Ethereum blockchain is distinct compared to Bitcoin due to its smart contract capabilities. Ethereum also has the block time of 12-14 seconds, which is less than Bitcoin’s block duration that is 10 hours.

Proof-of-stake versus proof-of-work

Proof-of-stake is distinct from proof-of-work since it doesn’t require any hardware to confirm transactions. Instead, holders of the currency may verify transactions by staking their blockchain tokens. Staking is a process whereby the owners of the currency offer their money as collateral to get the chance to verify blocks. As opposed to proof-of-work and validators, validators are randomly selected for the purpose of being able to “mine” or validate a block. This permits a greater number of users to become validators because you don’t require any hardware.

It is more beneficial for the environment since it uses less power to validate new blocks. Mining Bitcoins with a proof of-work system will require a large amount of computational power as well as energy.

It is possible to argue the security of proof-of-stake may be less than proof-of work since it favors those who have a substantial stake in the cryptocurrency. The threat of 51% attack is a problem for proof-of stake cryptos. It is when a person owns more than 51% of the cryptocurrency they staked and could be threatening to change the blockchain. But, anyone who attempts to reverse a block using an attack of 51% would be liable to lose their entire cryptocurrency which prevents the possibility of it happening.


Ethereum allows the creation of digital artworks that are unique called non-fungible tokens, or NFTs. They are non-transferable elements of data saved on blockchain. The data is usually associated with digital files, such as images that are able to be sold and traded. NFTs that are on the Ethereum blockchain can be bought by using the Ethereum token. A lot of these NFTs are been purchased for thousands or millions of Ethereum.

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