Subject: File No. SR-NYSEArca-2021-90 From: William Milne Affiliation:
Apr. 11, 2022
Dear SEC%2C I’m writing to support the conversion of Grayscale Bitcoin Trust (Symbol%3A GBTC)%2C currently the world’s largest Bitcoin fund%2C to the first Spot Bitcoin ETF in the United States. Sincerely William Milne