Could the supply limit of 21 million Bitcoin change?
Recently, BlackRock released an introductory video about Bitcoin, emphasizing that the total supply of Bitcoin is 21 million BTC - it cannot be inflated or changed.
However, what caused an uproar in the community was the caption in the video: "There is no guarantee that the supply limit of 21 million Bitcoin will not be changed."
🔸 Community reactions:
- Critics: “BlackRock doesn’t understand anything about Bitcoin.
- Skeptics: “They are intentionally spreading rumors to manipulate the price of Bitcoin.”
- More neutral opinions: “Perhaps they are just fulfilling their legal obligations, warning about the risks - no matter how minor - to investors.”
Not only in the video but also in the documents submitted to the SEC, BlackRock also mentioned:
- “There is no guarantee that the total supply of 21 million BTC will remain unchanged.”
- The reason they provided is that events like hard forks could occur in the future, although the current probability is very low.
Why worry about the total supply of Bitcoin?
- Technical errors have occurred: In 2010, a value overflow bug caused the total supply of BTC to increase to 184 billion BTC, but it was fixed.
- In 2140: When Bitcoin hits the 21 million BTC mark, the block reward will be exhausted, and miners will only profit from transaction fees.
🔸 So, could the limit of 21 million Bitcoin change?
According to Super Testnet, the Bitcoin developer behind BitVM, the answer is "maybe", but at a very high cost.
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