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• MELKEM — encrypted messaging for firms that hold confidences
  • About MELKEM
  • Established cryptography, operated in Canada
  • Designed so that very little exists to disclose
  • Status
  • Privacy you can check, not just trust.
  • Corporate record
• MELKEM Authenticator — private 2FA for iPhone, no account
  • Your code changes. The key behind it matters.
  • At a glance
  • Get it
• MELKEM Authenticator — Privacy policy
  • Who we are
  • What the app collects
  • Network connections
  • Your accounts
  • Encrypted exports
  • Copying a code
  • Camera
  • Face ID and Touch ID
  • Crash reports
  • Lost codes
  • Law and changes
• MELKEM Authenticator — Support
  • Contact
  • Common questions
  • My iPhone was lost or replaced. Can I get my codes back?
  • How do I move my codes to a new phone?
  • What happens if I turn off my iPhone's passcode?
  • I forgot my export passphrase. Can it be recovered?
  • Why is there no cloud backup?
  • If I save my encrypted export to iCloud Drive, is it in iCloud?
  • How it works
• How MELKEM Authenticator works
  • Codes
  • Setup keys
  • Encrypted export
  • Lock
  • Network
  • Requirements
  • What it doesn’t do
  • More
• Notes
  • Articles
  • Service guides
• Why a code in an app beats a code by text message
• How to check an app before you download it
  • Does the seller match the company?
  • Read the privacy label
  • Does each permission make sense?
  • Look at the price before you tap Get
  • Use the link from the company’s own website
  • How MELKEM Authenticator measures up
• Which apps and websites work with an authenticator app?
  • Canadian government services
  • Canada Revenue Agency (CRA)
  • IRCC account (GCKey)
  • My Service Canada Account
  • International services
  • Amazon
  • Apple Account
  • Discord
  • Facebook
  • GitHub
  • Google (Gmail)
  • Instagram
  • LinkedIn
  • PayPal
  • Pinterest
  • Reddit
  • TikTok
  • WhatsApp
  • X
  • Using MELKEM Authenticator for these
• How to lock or hide any app on your iPhone
  • Why you might want this
  • Lock an app (Require Face ID)
  • Hide an app (Hide and Require Face ID)
  • How to undo it
  • Good to know
  • MELKEM Authenticator
• Never share your 6-digit code
  • The rule
  • How the trick works
  • How scammers ask
  • A simple test
  • If you have already shared a code
  • Sources
• Lost your phone? How to get back into your accounts
  • The short answer
  • What to do right away
  • Backup codes
  • Recovery keys and waiting periods
  • Sources
  • If you use MELKEM Authenticator
• What is two-factor authentication?
  • In one sentence
  • Three kinds of proof
  • Where the second step comes from
  • What 2FA does not do
  • Where to start
  • Sources
• Passkeys vs authenticator codes
  • The short answer
  • What each one is
  • Where passkeys are better
  • Where codes are still needed
  • Using both
  • Sources
• What is ML-KEM? And where the name MELKEM comes from
  • The short answer
  • What ML-KEM is
  • Why it exists
  • Canada’s plan
  • Where our name comes from
  • Sources
  • What it means for our apps
• How to see which apps on your iPhone use the internet
  • Where the setting is
  • Steps
  • What the report shows
  • What it does not show
  • What to do with what you see
  • Source
  • We checked our own app
• Watch a 2FA code being made
  • What you are about to see
  • Watch it live
  • Why codes work without a connection
  • Why the phone’s clock matters
  • Why codes expire
  • Source
  • More to read
• Someone made a fake image of me. What do I do?
  • Don’t share it, and don’t reply
  • What to keep
  • Report it where it appeared
  • Services that help get it taken down
  • NeedHelpNow.ca
  • Cybertip.ca
  • Take It Down
  • Tell a trusted adult
  • If you’re a parent, teacher or friend
  • Can an app tell if a photo is fake?
  • Sources
• What is encryption?
  • In one sentence
  • At rest and in transit
  • End-to-end encryption
  • Why quantum computers matter
  • The new standards
  • An example from our app
  • Sources
• How to use an authenticator app with your CRA account
  • Where the setting is
  • Steps
  • Set up a backup option
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for Facebook
  • Where the setting is
  • Steps
  • If those steps don’t work for you
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for GitHub
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for Google
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for LinkedIn
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for X
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for Discord
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for Reddit
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for TikTok
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to turn on two-factor authentication for Instagram
  • Where the setting is
  • Steps
  • Save your backup codes
  • Source
  • Tested by MELKEM
• How to use an authenticator app with your OLG account
  • Where the setting is
  • Steps
  • A code at every sign-in
  • Keep the setup and the codes to yourself
  • If you lose your authenticator app
  • Source
  • Tested by MELKEM
• Terms of Use
  • Who we are
  • What these terms cover
  • Our apps are free
  • Your setup keys are your responsibility
  • Lawful use
  • Privacy
  • No warranty
  • Limits on liability
  • Trademarks
  • Changes
  • Governing law
  • Contact
• Read melkem.com in your language
  • How it works
  • Safari on iPhone
  • Safari on a Mac
  • Chrome on a computer
  • Microsoft Edge
  • Sources