Twitter DMs should have end to end encryption like Signal, so no one can spy on or hack your messages
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some forms of this exist in work like ‘subresource integrity’ (developer.mozilla.org/en-US/docs/Web), Signed Exchanges (SXGs: web.dev/signed-exchang), & even hacks for nonparticipating sources like TLSNotary/PageSigner (github.com/tlsnotary/Page)
