Subject: File No. SR-NYSEArca-2021-90
From: Evgeni Grigorov
Affiliation:

May. 11, 2022

Dear SEC, I am writing to support the conversion of Grayscale Bitcoin Trust (Symbol: GBTC), currently the worlds largest Bitcoin fund, to the first Spot Bitcoin ETF in the United States. Please
 accept GBTC Spot Bitcoin Fund. We know your job is difficult, we are not against you, we are from the same team and we want this collectively. It will be good for everyone. Thank you. Sincerely, Evgeni Grigorov