$XRP XRPTF" usually refers to the Grayscale XRP Trust — the Grayscale XRP Trust — which is a type of financial product (like a fund) that allows investors to gain exposure to the price of XRP (Ripple's cryptocurrency) without needing to buy and store XRP directly.

Quick summary:

XRPTF is the trading ticker (symbol) of the fund on the OTC market (over-the-counter market).

It tries to track the price of XRP, but with variations (sometimes the price of XRPTF is above or below the actual value of XRP).

It was popular among institutional investors who preferred a regulated solution instead of buying cryptocurrencies directly.