Peer-to-Peer Secrets: How We Built Client-Side E2E Team Sync Without Server Trust (opens in new tab)

Here is a common developer anti-pattern that every engineering team has committed: A new developer joins the team. They need the environment variables to run the application locally. A senior developer opens their password manager, copies the plaintext .env block, and pastes it into a Slack message or a secure note. The new developer copies it, pastes it into a local .env file on their disk, and starts coding. You have just created a massive security debt: The credentials exist in plaintext i...