Company: BTC
Filing Date: 2025-09-08
Form Type: POS AM
Source: 0002015034-25-000003
Chunk: 7

Company: Grayscale Bitcoin Mini Trust ETF
Filing Date: 2025-09-08
Form: POS AM
Chunk 7
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 made based on the Sponsor’s beliefs, estimates and opinions on the date the statements are made and neither the Trust nor the Sponsor is under a duty or undertakes an obligation to update forward-looking statements if these beliefs, estimates and opinions or other circumstances should change, other than as required by applicable laws. Moreover, neither the Trust, the Sponsor, nor any other person assumes responsibility for the accuracy and completeness of any of these forward-looking statements. Investors are therefore cautioned against relying on forward-looking statements.

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ProspectusSummary</div>

You should read this entire prospectus and the material incorporated by reference herein, including “Part I—Item 1A. Risk Factors” in the Annual Report, “Part II—Item 1A. Risk Factors” in the Q2 2025 Quarterly Report, in any applicable prospectus supplement and in the other documents incorporated or deemed incorporated by reference herein, before making an investment decision about the Shares.

<div align='center'>Grayscale Bitcoin Mini Trust ETF</div>

Trust Overview

Grayscale Bitcoin Mini Trust ETF (formerly known as Grayscale Bitcoin Mini Trust (BTC)) (the “Trust”) is a Delaware Statutory Trust that was formed on March 12, 2024, by the filing of the Certificate of Trust with the Delaware Secretary of State in accordance with the provisions of the Delaware Statutory Trust Act.

The Trust’s purpose is to hold Bitcoin, which are digital assets that are created and transmitted through the operations of the peer-to-peer Bitcoin Network, a decentralized network of computers that operates on cryptographic protocols. There are several key features of the Bitcoin Network, including the maximum block size used by the network. Bitcoin uses the SHA-256 algorithm, which is preferred for parallel processing, but is also easily used to build application-specific integrated circuits (ASICs) to mine the network more efficiently. Bitcoin has a current maximum block size of approximately 4MB and, on average blocks are generated every ten minutes. Bitcoin’s halvings take place approximately every four years, occurring every 210,000 blocks. Additionally, Bitcoin has a maximum supply of 21 million. As of June 30, 2025, Bitcoin’s circulating supply was approximately 19.9 million coins. As of June 30, 2025, the 24-hour trading volume of Bitcoin was approximately $8.6 billion. As of June 30, 2025, the aggregate market value of Bitcoin was approximately $2.1 trillion. As of June 30,