I haven't followed Schiff for several years, but I find this surprising.
On the one hand, you can throw a couple of bucks at something and still not believe in it. This tweet reads very tongue-in-cheek to me.
On the other hand, he's been so anti-crypto for so long that I have trouble picturing him holding any and not selling whatever he gets right away. I recall listening to an interview with him several years ago where he said they take crypto as payment on some of their businesses but it gets liquidated immediately for USD.