Company: BTC
Filing Date: 2025-04-01
Form Type: POS AM
Source: 0001193125-25-070549
Chunk: 19

Company: Grayscale Bitcoin Mini Trust ETF
Filing Date: 2025-04-01
Form: POS AM
Chunk 19
---
 calculate the Index Price is not publicly available. Still, the Index is designed to limit exposure to trading or price distortion of any individual Digital Asset Trading Platform that experiences periods of unusual activity or limited liquidity by                                                                                                                                                          
 discounting, in real-time, anomalous price movements at individual Digital Asset Trading Platforms. The Digital Asset Trading Platforms that are included in the Index are selected by the Index Provider utilizing a methodology that is guided by the                                                                                                                                                           
 International Organization of Securities Commissions (“IOSCO”) principles for financial benchmarks. For an exchange to become a Constituent Trading Platform (as defined herein), it must satisfy the Inclusion Criteria described in this                                                                                                                                                                        
 prospectus, as may be updated by the Index Provider from time to time. See “Risk Factors—Risk Factors Related to the Digital Asset Markets—The Index Price used to calculate the value of the Trust’s Bitcoin may be volatile, and                                                                                                                                                                                
 purchasing and selling activity in the Digital Asset Markets associated with Basket creations and redemptions may affect the Index Price and Share trading prices, adversely affecting the value of the Shares.”                                                                                                                                                                                                  |

7

| Index price data and the description of the Index are based on information publicly available at the Index Provider’s website at www.coindesk.com/indices/. None of the information on the Index Provider’s 
 website is incorporated by reference into this prospectus.                                                                                                                                                  |

The Index Provider may change the trading venues that are used to calculate the Index Price or otherwise change the way in which the Index Price is calculated at any time. If the Index Price becomes unavailable, or if the Sponsor determines in good faith that the Index Price does not reflect an accurate Bitcoin price, then the Sponsor will, on a best efforts basis, contact the Index Provider to obtain the Index Price directly from the Index Provider. If after such contact the Index Price remains unavailable or the Sponsor continues to believe in good faith that the Index Price does not reflect an accurate Bitcoin price, then the Sponsor will employ a cascading set of rules to determine the Index Price, as described in “Business—Overview of the Bitcoin Industry and Market—The Index and the Index Price.”

| The Sponsor may, in its sole discretion, select a different Index Provider, select a different index price provided by the Index Provider, calculate the Index Price using a cascading set of rules as described above, or                     
 change such cascading set of rules at any time. The Sponsor will provide notice of any such changes in the Trust’s periodic or current reports and, if the Sponsor makes such a change other than on an ad