Twitter is giving NFT enthusiasts a that it was working on an NFT authentication service, it’s notable that it would choose to offer the feature to Twitter Blue subscribers first, The company debuted the $3/month subscription service in November, in a bid to appeal to power users who might pay for specialized features. The NFT feature is “still under active development,” according to the company, and it’s not clear if it plans to launch it more widely. Twitter has previously said that early-stage “labs” features are experiments that could become available outside of Twitter Blue, kept around for subscribers, or killed off entirely.