Dec 26 (Reuters) - Grayscale Bitcoin Trust said on Tuesday Barry Silbert and Mark Murphy have resigned from the board of directors of its parent Grayscale Investments.

Mark Shifke will succeed Silbert as the chairman of the board of the asset manager effective Jan. 1, according to a regulatory filing. (Reporting by Manya Saini in Bengaluru; Editing by Shailesh Kuber)