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<p>semantics, allowing servers to function even if offline or after data-loss by re-synchronizing missing history from other participating servers.</p>

<p><big> Olm encryption </big></p>
<p>The Olm library provides for optional <a href="page.php?w=end-to-end_encryption">end-to-end encryption</a> on a room-by-room basis via a <a href="page.php?w=Double_Ratchet_Algorithm">Double Ratchet Algorithm</a> implementation. It can ensure that conversation <a href="page.php?w=data_at_rest">data at rest</a> is only readable by the room participants. With it configured,</p><p>
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