2020 Bitcoin Halving and its Impact in 2021

On the 11th of May 2020, the much anticipated third bitcoin halving event took place and was greeted with so much excitement. Check out a few of the bitcoin halving parties here and here. Basically, geeks getting in exciting discussions and debates about bitcoin and cryptocurrencies over Zoom (Thanks Covid-19). If you’re uninitiated to the bitcoin community you’re most likely wondering what the excitement is all about. How does the 2020 bitcoin halving impact anyone anyway? 

For a better understanding of this event, let’s go back to the very beginning and discuss Bitcoin mining and its relationship with Bitcoin halving.

Who are bitcoin miners?

Satoshi Nakamoto the unknown founder(s) of bitcoin programmed into the bitcoin code a way of generating and distributing new bitcoins without any central authority. It has been programmed to execute automatically. This is known as mining.

Not to be confused with the mining of natural resources like Gold in which the earth is dug, Bitcoin mining is entirely done digitally. A Bitcoin miner is simply something or someone that mines Bitcoin. Miners exist in the Bitcoin network to process and confirm transactions. This usually involves solving complex mathematical problems using computer hardware resources and electricity. This is what keeps the Bitcoin network in operation.

These mathematical problems become more difficult to solve as more blocks are mined. No free meal anywhere so there needed to be a way to compensate anyone who becomes a miner. Bitcoin miners are rewarded with bitcoins starting from the day the first block of Bitcoin was mined in 2009 (Genesis block).

What is Bitcoin halving?

The simple answer is Bitcoin halving is an event occurring every 4 years when the reward for mining bitcoins is reduced by half. For example, the 2020 bitcoin halving meant a reduction in reward from 12.5 BTC to 6.25 BTC. 

Let’s pull back the curtains to understand a little better the concept of bitcoin halving.

Bitcoin as programmed by its founder has a limited supply of 21 million in total. Bitcoin was introduced in 2008 but the first block of bitcoin was not mined until 2009. The bitcoin network started with a reward of 50 BTC per block of mined BTC approximately every 10 minutes. But that high reward was not to continue indefinitely.

For every 210, 000 bitcoins that are mined the reward is cut in half (called bitcoin halving). The first halving took place on 28th November 2012 which meant 210,000 blocks of bitcoins had now been mined and the reward for miners was reduced from 50 to 25 BTC. A similar event took place in 2016 and now the 2020 bitcoin halving event has seen a reduction in reward from 12.5 BTC to 6.25 BTC. The next bitcoin mining is slated for 2024. All 21 million bitcoins would have been mined by 2140 (probably not in our lifetime)

See chart below

Halving Dates

Blocks Mined

Miners Reward

2009 (No Halving).

1 – 210,000.

50 BTC

Nov. 28, 2012.

210001 – 420000.

25 BTC

July 9, 2016.

420001- 630000.

12.5 BTC

May 11, 2020.

630,001- 740000.

6.25 BTC

2024.

740001 –

3.125 BTC

….

2140.

3.125 BTC

You should probably skip this section to the next if mathematics isn’t your cup of tea.

The day and month can be calculated by finding the average time it takes to mine a block of bitcoin and multiplying that figure by 210,000. Your answer will be in minutes. Next convert it to days, hours, and minutes and add the answer to the date of the last halving event (11th May 2020). This calculation gets more accurate as the next halving event draws nearer

We don’t think it’s worth the stress of calculating the exact date now. The halving event takes place every four years regardless.

When there are no more bitcoins to be mined how will miners be compensated for confirming transactions within the network?

When this happens, Miners will be compensated through fees that will be added to every transaction happening within the network

Why is bitcoin halving necessary?

A few reasons

  • The first one is straightforward- Demand and Supply. Economists tell us that reducing the supply of a commodity with constant demand can drive up its price. Bitcoin halving history has shown a similar price increase. For example in 2016 when the penultimate halving happened, a sharp price increase was experienced. Almost a year later in 2017 bitcoin price has gone up by over 300%. Maybe bitcoin mining is not so different from gold mining in the end. Gold has experienced a constant increase in value due to its limited supply and an increase in mining difficulty. Just like Gold, bitcoin halving has resulted in the scarcity of bitcoins and a spike in price. A price increase was expected to occur after 2020’s bitcoin halving but of much lower proportions due to bitcoins changing market and the fact that the surprise factor that was in the previous halving is no longer there. Turns out the jump was going to be more massive than anyone imagined. In 2021, the price of 1 BTC is now over 50,000 USD. Or maybe let’s just thank Elon Musk and Tesla for the jump (Elon Musk’s Tesla recently bought 1 billion worth of BTC).
  • Second, it is suspected that Satoshi programmed bitcoin this way to give people an incentive to join the network in bitcoin’s early days. The 50 reward BTC appears huge now (In 2020 1 BTC = $9,700) that bitcoin has finally taken off but back in 2009 it wasn’t worth much (1 BTC =0.003 USD in March 2010). It was a way of rewarding early bitcoin believers. As the network grew in size the need to incentivize for joining should also reduce.
  • Bitcoin halving also helps reduce inflation. Pegging the total number of coins to 21,000,000 meant no future bitcoin would ever be produced after that. Bitcoin was built to provide the perfect response to fiat currency (for example Dollars, Euros, Naira, Zimbabwean dollar, etc.) prone to inflation. Bitcoin has continued to experience inflation of its own but bitcoin halving provides a way to keep it in check.

Further impacts of bitcoin halving event

– Less profit for miners

With the same electricity and hardware, a reduced number of bitcoins are being generated. Making as much profit as the months before the 2020 halving would mean bitcoin miners would need to increase their mining hardware, a situation that could potentially put a stop to many casual miners’ mining adventure.

– Speculations

In the months after the 2020 halving event more and more traders are now engaging in speculative trading using derivatives or buying the coins.

Criticism of bitcoin halving events

Critics of bitcoin halving have expressed that halving events are counterproductive to the goal of bitcoin in achieving global adoption and serving as real money and a viable alternative to fiat currency. This is because bitcoin investors and speculators continue to disturb the circulation of the coins by hodling (to hold bitcoins long-term) bitcoin years ahead of halving events to sell at great profits when the price rises.

What do you think about halving events? Let us know in the comment section below

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