Two tools, two models
PGP or Layergram? It depends on what you need to protect.
PGP is a historic standard for encrypting and signing emails or files. Layergram is designed for recurring text conversations between verified identities.
Layergram does not implement OpenPGP and is not compatible with PGP keys or messages. The comparison serves to choose the suitable model, not to declare a universal winner.
NEEDPGP / OPENPGPLAYERGRAM
Encrypt files or attachmentsPGP/OpenPGPIt's not the core use case
Sign data in OpenPGP ecosystemsPGP/OpenPGPNot interoperable with OpenPGP
Protect emails with compatible toolsPGP/OpenPGPIt can transport text via email, but it is not PGP email
Recurring conversation via existing chatOften more manual flowCentral use case
Conversational Forward SecrecyIt's not your typical PGP modelExpected in compatible conversations
Post-quantum componentIt depends on standards and implementationHybrid approach declared in LMF v3
The decisive question
Do you need to protect a file or a conversation?
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