News that Sony is arguing in court that digital games can’t be owned by players that bought them is the latest front in an ongoing battle over digital ownership. That tussle is "still in its early innings,” Kostas Chalkias, Co-Founder and Chief Cryptographer at Mysten Labs, told Decrypt. “With media, we're used to renting and streaming, and we're increasingly finding that the things we think we're buying don't actually belong to us.”