#我的2026第一条帖

The total supply of Bitcoin is 21 million coins, which is hardcoded in the code and cannot be changed. But you may not know that these 21 million coins can never be fully mined. Do you think mining stops when rewards drop to zero? Wrong! The reward halving every four years is like pouring half of a glass of water each time—there's always a little left. Mathematically, this is called a convergent geometric series, and while the sum approaches 21 million, it never actually reaches zero; it just gets closer and closer. Some people worry that with fewer rewards, there will be no miners? By 2025, miners will be earning 3.125 coins as rewards, making about 350,000 USD. Currently, the total network hash rate exceeds 5 million supercomputers. Who wouldn't want to mine for profit? Moreover, in the future, miners can also earn through transaction fees. As long as people use Bitcoin, mining will continue, and new coins will keep coming. Not to mention, a large number of Bitcoins have been permanently "lost" due to lost private keys, so the actual circulating supply is already much less. Even if the new issuance is negligible by 2140, it will never reach 21 million coins. We probably won't see the day when mining is "finished" in our lifetime.