What Happens to Bitcoin After All 21 Million Are Mined?
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By ADAM HAYES
Reviewed By KHADIJA KHARTIT
Updated Dec 17, 2020
TABLE OF CONTENTS
The Supply of Bitcoin Is Limited to 21 Million
Bitcoin Mining Rewards
Effects of Finite Bitcoin Supply
Special Considerations
Bitcoin is like digital gold in many ways. Like gold, bitcoin cannot simply be created arbitrarily; it requires work to "extract". While gold must be extracted from the physical earth, bitcoin must be "mined" via computational means.
Bitcoin also has a stipulation—set forth in its source code—that it must have a limited and finite supply. For this reason, there will only ever be 21 million bitcoins ever produced. On average, these bitcoins are introduced to the bitcoin supply at a fixed rate of one block every ten minutes. In addition, the amount of bitcoin released in each of these aforementioned blocks is reduced by 50% every four years.
KEY TAKEAWAYS
There are only 21 million bitcoins that can be mined in total.
Once bitcoin miners have unlocked all the bitcoins, the planet's supply will essentially be tapped out.
Currently, around 18.5 million bitcoin have been mined; this leaves less than three million that have yet to be introduced into circulation.
Once all Bitcoin has been mined the miners will still be incentivized to process transactions with fees.
The Supply of Bitcoin Is Limited to 21 Million
In fact, there are only 21 million bitcoins that can be mined in total.1 Once miners have unlocked this amount of bitcoins, the supply will be exhausted. However, it's possible that bitcoin's protocol will be changed to allow for a larger supply. What will happen when the global supply of bitcoin reaches its limit? This is the subject of much debate among fans of cryptocurrency.
Currently, around 18.5 million bitcoin have been mined. This leaves less than three million that have yet to be introduced into circulation.
While there can only ever be a maximum of 21 million bitcoin, because people have lost their private keys or have died without leaving their private key instructions to anybody, the actual amount of available bitcoin in circulation could actually be millions less.
Bitcoin Mining Rewards
The first 18.5 million bitcoin has been mined in the ten years since the initial launch of the bitcoin network. With only three million more coins to go, it might appear like we are in the final stages of bitcoin mining. This is true but in a limited sense. While it is true that the large majority of bitcoin has already been mined, the timeline is more complicated than that.
The bitcoin mining process rewards miners with a chunk of bitcoin upon successful verification of a block. This process adapts over time. When bitcoin first launched, the reward was 50 bitcoin. In 2012, it halved to 25 bitcoin. In 2016, it halved again to 12.5 bitcoin. On May 11, 2020, the reward halved again to 6.25 bitcoin. This effectively lowers Bitcoin's inflation rate in half every four years.
The reward will continue to halve every four years until the final bitcoin has been mined. In actuality, the final bitcoin is unlikely to be mined until around the year 2140. However, it's possible the bitcoin network protocol will be changed between now and then.
The bitcoin mining process provides bitcoin rewards to miners, but the reward size is decreased periodically to control the circulation of new tokens.
Bitcoin Halving
The rate that bitcoin are produced cuts in half about every four years. Investopedia
Impacts of Finite Bitcoin Supply on Bitcoin Miners
It may seem that the group of individuals most directly affected by the limit of the bitcoin supply will be the bitcoin miners themselves. Some detractors of the protocol claim that miners will be forced away from the block rewards they receive for their work once the bitcoin supply has reached 21 million in circulation.
But even when the last bitcoin has been produced, miners will likely continue to actively and competitively participate and validate new transactions. The reason is that every bitcoin transaction has a transaction fee attached to it.
These fees, while today representing a few hundred dollars per block, could potentially rise to many thousands of dollars per block, especially as the number of transactions on the blockchain grows and as the price of a bitcoin rises. Ultimately, it will function like a closed economy, where transaction fees are assessed much like taxes.
Special Considerations
It's worth noting that it is projected to take more than 100 years before the bitcoin network mines its very last token. In actuality, as the year 2140 approaches, miners will likely spend years receiving rewards that are actually just tiny portions of the final bitcoin to be mined. The dramatic decrease in reward size may mean that the mining process will shift entirely well before the 2140 deadline.
It's also important to keep in mind that the bitcoin network itself is likely to change significantly between now and then. Considering how much has happened to bitcoin in just a decade, new protocols, new methods of recording and processing transactions, and any number of other factors may impact the mining process.
Miscellanea And Concernsbitcoin ann For one thing, the technology has allowed for the creation of peer-to-peer electronic money that replaces intermediaries with a trust layer not controlled by any one entity. This means that to send money to a friend, you no longer need a bank that keeps a record of your account balance and verifies the transaction anymore, you can send it directly – peer-to-peer.Ether (ETH) is Ethereum’s cryptocurrency. It is the fuel that runs the network. It is used to pay for the computational resources and the transaction fees for any transaction executed on the Ethereum network. Like Bitcoins, ether is a peer-to-peer currency. Apart from being used to pay for transactions, ether is also used to buy gas, which is used to pay for the computation of any transaction made on the Ethereum network.talk bitcoin tokens ethereum bitcoin краны bitcoin оборот bitcoin список bitcoin рухнул bitcoin xbt ethereum btc bitcoin получить bitcoin blockchain bitcoin рынок monero spelunker ethereum gas bitcoin froggy ltd bitcoin картинка bitcoin котировки bitcoin txid bitcoin joker bitcoin dwarfpool monero bitcoin картинка
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During mining, your Bitcoin mining hardware runs a cryptographic hashing function (two rounds of SHA256) on what is called a block header. For each new hash that is tried, the mining software will use a different number as the random element of the block header, this number is called the nonce. Depending on the nonce and what else is in the block the hashing function will yield a hash which looks something like this:bitcoin xbt валюта monero bitcoin nvidia bear bitcoin ethereum заработок bitcoin signals bitcoin bit tether coinmarketcap bitcoin вконтакте ethereum pool tp tether ethereum debian заработок ethereum usd bitcoin bitcoin fpga ethereum pow
Legal challenges by civil libertarians and privacy advocates, the widespread availability of encryption software outside the US and a successful attack by Matt Blaze against the government’s proposed backdoor, the Clipper Chip, led the government to back down.china bitcoin
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