History and Evolution of Bitcoin as a Cryptocurrency

Abiodun Ajayi
6 min readJul 22, 2021


Bitcoin is a digital currency with a decentralized network. There is no central administration governing the currency and it can only be sent peer-to-peer networks (user to user) with any external intermediaries.


Bitcoin was created in January 2009 by pseudonymous It follows person/persons known as Satoshi Satoshi Nakamoto. The personality of the individual and a (or) group of persons with the name Satoshi Nakamoto is still unknown till the time of this publication.

The use of Bitcoin began with the implementation of open-source software in 2009 and it offers the guarantee of lower exchange charges than conventional online installment instruments and, not at all like officially sanctioned monetary standards, it is worked by a decentralized position.

The verification of Bitcoin transactions is solely by cryptography and network nodes which are publicly recorded in a distributed ledger called the blockchain.

Bitcoin is a digital currency and to this end, there is no physical bitcoin, just equilibriums kept on a public record that everybody has access to. All the transactions of bitcoin are checked by massive measure of processing power. Bitcoin is not governmental or bank sponsored or issued currency.

Notwithstanding the fact that Bitcoin is not generally accepted as a legal tender in many climes, bitcoin is exceptionally mainstream and has set off the dispatch of many other digital forms of money which are all known as altcoins.

Understanding Bitcoin

The bitcoin framework is a collection of computers which is also known as miners or nodes that all store bitcoin’s blockchain and run its code.

On a lighter mode, blockchain can be seen as a collection of blocks and in each of the blocks, a collection of transactions are found. All the computing systems are vested with the ability to see all the new blocks filled with new transactions of bitcoin which makes it impossible for the network to be cheated.

Regardless of whether you run a bitcoin not or not, anyone can see these transactions in real-time. As of June 2021, Bitcoin recorded over 10,000 nodes and still counting.

Bitcoin tokens balances are kept utilizing private and public “keys” which are long series of letters and numbers connected through the numerical encryption calculation that was utilized to make them. The public key (tantamount to a financial balance number) fills in as the location distributed to the world and to which other people with bitcoin can send bitcoin.

The private key (practically identical to an ATM PIN) is intended to be a protected, kept in private and simply used to approve bitcoin transactions. Bitcoin keys ought not be mistaken for bitcoin wallets, which is a physical or computerized gadget that works with the exchanging of bitcoin and permits clients to follow responsibility for. The expression “wallet” is somewhat deceptive, as bitcoin’s decentralized nature implies it is not stored in a wallet, but instead decentrally on a blockchain.

Peer-to-Peer (User to User) Technology

Bitcoin is among the first digitalized currencies to utilize the technology of peer-to-peer to forestall instant transactions. The people and organizations who own the overseeing computing power are independent and they partake in the bitcoin network — bitcoin “miners” — are responsible for handling every transactions on the blockchain and are inspired by some bitcoin rewards (rewarded with new bitcoin)) and the fees for the transactions are also paid in bitcoin.

These miners can be considered as the decentralized authority upholding the believability of the bitcoin network. New bitcoin are delivered to the dminers at a fixed rate, however, occasionally declining rate. There are just 21 million bitcoin that can be mined altogether. As of June 2021, there are more than 18 million bitcoin in circulation leaving under 3 million bitcoin left to be mined.

Thusly, bitcoin and other cryptocurrencies operate in a different manner from fiat currencies (in centralized banking currencies, the currencies are released with the rate) but in bitcoin which is a decentralized network, the price is set according to the algorithm governing it.

Bitcoin Mining

The process of releasing bitcoin into circulation is known as bitcoin mining. The mining of bitcoin requires solving difficult computationally puzzles to find another block which is added to the blockchain.

Bitcoin mining adds and checks records of transportations across bitcoin network. Minners are remunerated with some bitcoin; the prize halves each 210,000 squares. The square prize was 50 new bitcoins in 2009. On the 11th if May 2020, the third halve happened, bringing the prize for discovering each block to 6.25 bitcoins

An assortment of equipment can be utilized to mine bitcoin. Be that as it may, some yield higher prizes than others. Certain micro processors, called Application-Specific Integrated Circuits (ASIC), and further developed handling units, similar to Graphic Processing Units (GPUs), can accomplish more rewards. These intricate mining processors are known as “mining rigs.”

One bitcoin is separable to eight decimal spots (100 millionths of one bitcoin), and this littlest unit is alluded to a Satoshi.

History of Bitcoin

The name bitcoin.org was enlisted on the 18th of August 2008 and up till today, the domain name is “WhoisGuard Protected,” which means the credentials of the individual who enlisted it isn’t public data.

On the 31st of October, 2008 a person or group of persons known as Satoshi Nakamoto made a declaration to the Cryptography Mailing list at metzdowd.com which saying he or they have been working on another electronic money framework that is completely peer-to-peer with no third party involvement. The whitepaper distributed on bitcoin.org, named “Bitcoin: A Peer-to-Peer Electronic Cash System,” would turn into the Magna Carta for how bitcoin works today.

The first bitcoin block was mined — Block 0 on the 3rd of January, 2009 This is otherwise called the “Genesis block” and contains the content: “The Times 03/Jan/2009 Chancellor on edge of second bailout for banks,” maybe as confirmation that the square was mined on or after that date, and maybe likewise as pertinent political commentary.

The primary form of the bitcoin programming was reported to the Cryptography Mailing list on the 8th of January, 2009.

Square 1 was mined, and bitcoin mining began on the 9th of January, 2009 in earnest.

Who Is Satoshi Nakamoto?

Nobody body has been able to identify who invented bitcoin, or maybe someone has but not convincingly. Satoshi Nakamoto is the name related to the individual or group of persons who delivered the first bitcoin whitepaper in 2008 and chipped away at the first bitcoin programming that was delivered in 2009. In the years since that time, numerous people have either professed to be or have been proposed as the genuine individuals behind the invention of bitcoin, as of the time of this publication (July 2021), the genuine personality behind Satoshi Nakamoto remains obscured.

Despite the fact that it is enticing to accept the media’s twist that Satoshi Nakamoto is a single, impractical virtuoso who made bitcoin out of nowhere, such advancements does not commonly occur in a vacuum. All major logical revelations, regardless of how unique they might be were based on already existing examination.

There are antecedents to bitcoin: Adam Back’s Hashcash, coined in 1997, and along these lines Wei Dai’s b-cash, Nick Szabo’s touch gold, and Hal Finney’s Reusable Proof of Work. The white paper of bitcoin itself refers to b-cash and Hardcash but just as different works crossing a few exploration fields. Maybe obviously, a large number of the people behind different activities named above have been hypothesized to have additionally had a section in making bitcoin.

There are a couple of potential inspirations for bitcoin’s innovator choosing to stay discreet. One is protection: As bitcoin has acquired in ubiquity — becoming something of an overall wonder — Nakamoto would almost certainly earn a ton of consideration from the media and from governments.

Another explanation could be the potential for bitcoin to cause a significant disturbance in the current banking and money related frameworks. In case bitcoin were to acquire mass acceptance, the framework could outperform countries’ sovereign fiat monetary standards. This danger to existing cash could inspire governments to need to make a legitimate move against bitcoin’s maker.



Abiodun Ajayi

Abiodun Ajayi has more than 6 years of experience in Security and IT architecture. He consults and helps form strategies, perform project feasibility studies.