Bitcoin is unlike any other currency. It was programmed from the beginning with a “hard” limit: only 21 million BTC will exist, making it as rare an asset as gold.
From 2009 to 2140, Bitcoin is created through mining – a reward for miners when verifying transactions and adding them to the blockchain. However, this reward is halved every 4 years until it completely disappears.
👉 As of September 2025, 93–94% (19.6 million BTC) have been mined. Only about 1.4 million BTC remain to be issued over the next 100 years. By 2140, the last Bitcoin will be born – and after that, the supply will forever be fixed at 21 million coins (not counting millions of BTC that have been permanently lost).
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🔒 Network security: Who will protect Bitcoin when there are no more block rewards?
Optimistic scenario: When the price of Bitcoin is extremely high and transaction demand is huge, transaction fees will be sufficient to sustain miners, keeping the network secure.
Pessimistic scenario: If fees are low, many miners quit → hashrate decreases → the network may become vulnerable to a 51% attack.
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📈 Impact on Price & Position of Bitcoin
The story of 'digital gold' will be stronger than ever. The absolute limited supply, while the amount of BTC lost over time makes it even scarcer.
Deflationary pressure: With no new supply, if demand remains steady or increases, the price of Bitcoin tends to rise significantly in the long term.
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⚡ The future of the network & users
Miners: After 2140, their only source of income will be transaction fees. This could lead to increased fees, especially for small transactions.
Users: The main blockchain will be more suitable for large transactions. Small payments will rely on layer 2 solutions like the Lightning Network, where transactions are faster and cheaper.
Ecosystem: If widely used and integrated into the global economy, Bitcoin could become a foundational asset class, like 'gold system 2.0.'
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🎯 Conclusion
Bitcoin will not 'die' when the last coin is mined. On the contrary, it will enter a new era: no more supply inflation, absolute scarcity value, and all the power revolving around transaction fees + real-world applications.
💡 In other words: Bitcoin is a system designed to exist forever, not just as a currency but also as a global financial 'legacy.'
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👉 What do you think? Will Bitcoin become a more valuable asset than gold by 2140, or will it have to make way for a new cryptocurrency?
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