Subject: File No. SR-NYSEArca-2021-90

Feb. 26, 2022



2/26/2022

Dear SEC,

I’m writing to support the conversion of Grayscale Bitcoin Trust (Symbol: GBTC), currently the world’s largest Bitcoin fund, to the first Spot Bitcoin ETF in the United States.

I believe you should allow them to be the first Bitcoin ETF

Sincerely,

David Berman MD
Potomac MD