The elevator pitch behind Robot Cache is simple: what if there was a digital storefront like Steam, but you could sell games to other users once you had finished playing them? Oh, and it was all powered by the blockchain. Sorry to spoil the ending, but it didn’t end up making much of a splash since it launched in 2018—and now a Reddit thread from user kallreven alleges that it’s gone for good.

“Thank you sincerely for joining us on this journey,” reads the screenshot of an email purportedly from the Robot Cache Team. “While we gave it everything we had, we weren’t able to attract the user base and sales traction needed to keep the store running. As a result, we’ve made the difficult decision to shut down the Robot Cache store.