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

Apr. 4, 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. 

It will add transparency, efficiency and better tracking for Bitcoin investors. 
Regards 
Carlos Planas