
Last updated: November 17, 2025
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Bitcoin is the world's first decentralized digital currency. It is based on a controlled supply and mining framework. In contrast to fiat money, it has a maximum supply of 21 million coins, which leads to a deflationary model that drives its price. The limited supply of Bitcoin provides scarcity that draws worldwide attention and long-term acceptance.
This article will explore Bitcoin's small supply and mining process. We'll examine how the halving mechanism works and pinpoint when will the last bitcoin be mined. Then, we'll explore the potential impacts on digital miners, the cryptocurrency landscape, and sectors like blockchain-powered betting platforms.
Bitcoin supply is limited to 21 M coins, an integral design principle in the code of this coin implemented in the process by its inventor, Satoshi Nakamoto. This upper bound guarantees that Bitcoin is a scarce asset, behaving similarly to traditional precious metals such as gold.
In contrast to fiat money, which central banks can print at will, Bitcoin's scarcity ensures a stable supply. It is, therefore, independent from inflationary impacts brought about by excessive money creation.
The cap guarantees that Bitcoin is deflationary because its finite supply is a contrast to growing demand over the time. Because this deflationary system allows an accumulation of Bitcoin and a fixed amount of supply to spread out over and among increasing numbers of users, such that competing for a limited supply, Bitcoin's value should rise.
Additionally, the halving mechanism—where mining rewards are cut in half approximately every four years—further slows the rate of new coin creation, reinforcing its scarcity. This carefully planned scarcity underpins Bitcoin’s role as a store of value and a hedge against traditional inflationary systems.
Bitcoin mining represents the method of generating digital tokens and authenticating distributed ledger transactions. Miners deploy high-performance computational systems to resolve an intricate challenge known as proof of work.
Cracking these cryptographic puzzles requires substantial computational resources. When a miner successfully solves one, they integrate a fresh transaction block into the decentralized network. Bitcoin compensates miners for their efforts, serving as an incentive framework and a pathway to introduce emerging digital currency into the marketplace.
However, this reward is not constant. Every four years, it is reduced by 50% (a halving event). For instance, the reward started at 50 BTC per block in 2009 and has since been reduced to 3.125 BTC as of the most recent halving in 2024.
The halving algorithm reduces the rate of new bitcoins being created. It thus provides a regulated supply to maintain the scarcity of Bitcoin (which is a core principle of its value proposition).
The Bitcoin halving mechanism is a core control mechanism of Bitcoin supply and takes place roughly every 210,000 blocks (i.e., every 4 years). Generally, the number of new bitcoins created over time diminishes linearly as, in a halving, block reward to be claimed by miners is halved, bit by bit. For example, the reward started at 50 BTC per block in 2009, dropping to 25 BTC in 2012, and is now at 3.125 BTC following the 2024 halving.
This halving mechanism ensures that the amount of Bitcoin in supply is permanently fixed and that the last Bitcoin will be mined in 2140. As the rewards decrease, the hard rock miners face even more significant challenges from powerful mining hardware and power consumption, extending the time until the last bitcoins are mined.
The known halving schedule and increasing mining difficulty preserve Bitcoin's scarcity while driving miners to focus on optimized performance and the integrity of the blockchain network.
The last Bitcoin block will be generated in 2140. This projection is based on the Bitcoin halving protocol and mining mechanics. This timeline relies on the four-year reward halving process, where mining rewards are cut by half each cycle. Every reduction shrinks the number of coins in circulation, gradually slowing the rate of new bitcoin generation.
Today, more than 19 million bitcoins are minable, with a balance of less than 2 million bitcoins to be distributed during the next millennium. Because the block reward gets smaller and smaller with every halving, miners need to solve more and more computationally demanding cryptographic puzzles and thus consume more computing power and energy.
The decreasing issuance rate guarantees that the supply of newly minted bitcoins will decrease predictably, making the mining process last over several decades. This intentional slowing and the increasing difficulty and cost of mining highlight Bitcoin's scarcity and Satoshi Nakamoto's vision of an inherently bounded and deflationary digital asset.
After the final Bitcoin block, miners will no longer receive block rewards. Instead, their incentives will shift entirely to user transaction fees. These fees are included in transactions to prioritize their inclusion in a block, ensuring the continued functionality of the network.
The adoption of transaction fees begs the question of what role they will continue to play in Bitcoin's network security. Today, block reward is an essential income for miners to keep the blockchain that belongs to them. In the absence of block rewards, miners are forced to depend on transaction fees, which could change from time to time depending on the network load.
When fees are not large enough to cover mining costs, a few miners might drop out of the network, leading to decreased decentralization and security of the network, etc. The more Bitcoin is adopted and valued in the future, the higher transaction fees and better mining efficiency may keep the miners participating, ensuring network security and availability for future generations.
The limited supply of Bitcoin (21 million coins) results in scarcity, which can thus push its price through demand. However, Bitcoin may become increasingly popular for crypto casinos as a deflationary currency for users who want to play Bitcoin blackjack in the same currency.
Higher bitcoin prices may lead to usage, but increasing current transaction fees as the block reward decreases may affect casino operations. Casinos may need to change minimum deposit and withdrawal amounts to reflect the corresponding fees, which could impact users' ease of use.
Nevertheless, the scarcity of Bitcoin and its growing generalized acceptance may provide the credibility and utility that Bitcoin needs to evolve into a reliable and helpful store and medium for blockchain-based gambling activities.
Bitcoin's limited issuance and halving mechanism underlie its continued appeal and increasing mainstream adoption. They are all rare, responsible for network security, and aligned with Bitcoin's deflationary feature. As a digital currency gaming enthusiast or potential investor, comprehending Bitcoin's extended evolutionary path becomes critically essential in strategically maneuvering through the possible rewards and challenges that await.
Bitcoin mining is how transactions on the blockchain are verified, and new blocks are created and added. Miners need to solve computationally difficult cryptographic puzzles.
Mining guarantees the Bitcoin network stability, protection from fraud attacks, and assurance of the Bitcoin's decentralized transaction validation.
Halving fractions of mining rewards in half approximately every four years caps Bitcoin's rate of new issuance.
The entire Bitcoin amount will be fully extracted by 2140, after which no additional digital tokens will be generated.
Miners will use transaction fees as the main incentive to keep the network running.
This blog is for informational purposes only and does not constitute financial or investment advice. Please gamble responsibly and ensure compliance with the laws in your jurisdiction.