Grayscale Bitcoin Trust (GBTC) is an FTX tokenized stock.

FTX itself lists tokens on the equities.

These spot tokens are backed by shares of Grayscale Bitcoin Trust stock custodied by CM-Equity. They can be redeemed with CM-Equity for the underlying shares if desired.

The official Grayscale Bitcoin Trust ticker is “GBTC” and trades under that name on all the exchanges where it has been listed. The designation “GRAYSCALE” is for CryptoCompare.com only.