He is a LINE engineer working on the messaging server.
In New generation of safe messaging: “Letter Sealing”, we announced that end-to-end encryption (E2EE) has been made available on LINE messages. But we've made even more improvements to safe messaging over the past few months, expanding Letter Sealing to features other than one-on-one chats. We'd like to share some of them here in this post. What changed? Letter Sealing is now enabled on one-on-one chats by default In the previous version of LINE, you had to opt in to use Letter Seali