Does it still rely on Sim card phone numbers? That's the single largest flaw of signal
No, a sim card is not necessary.
I've migrated from Signal to Molly FOSS. I did a backup of Signal, imported it into Molly and used the same phone number I had on Signal.
You can also use a one time phone number with sms4sats.com.
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You basically said a phone number is required. That's what I meant. Signal fails for me because of that. Simplex messenger wins
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