Bitcoin after mining all 21 million BTC: What to expect?

Bitcoin halving is an event that occurs approximately every four years in which the reward for mining new blocks is cut in half. This mechanism ensures that the total supply of Bitcoin remains capped at 21 million coins, creating a deflationary effect that can influence market prices by limiting supply.

The last Bitcoin is expected to be mined around the year 2140, according to the Bitcoin protocol’s emissions schedule. The halving events that occur every 210,000 blocks will gradually reduce miner rewards to zero, leading to a point where only transaction fees sustain mining operations.

Once all 21 million BTC are mined, the dynamics of Bitcoin’s value will largely depend on demand and the transaction fees miners will earn. If demand remains high while supply is fixed, it could lead to significant price increases, akin to precious metals like gold.

One major risk is that if transaction fees do not cover mining costs, many miners could leave the network, decreasing its security and stability. This could lead to increased centralization and vulnerability to attacks, potentially undermining Bitcoin’s decentralized ethos.

Yes, as Bitcoin reaches its supply limit, developers may create altcoins with different economic models. These could include adaptive emission strategies or alternative consensus mechanisms that maintain network participation and offer new investment opportunities.