breakpoint on X: “Hash several inputs by concatenation and the boundaries vanish: differ…”

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breakpoint on X: “Hash several inputs by concatenation and the boundaries vanish: differ…” | PeekX

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Hash several inputs by concatenation and the boundaries vanish: different sequences give the same SHA-256 digest.

Trail of Bits' SequenceHash appends each input's length as a fixed 128-bit integer, so every sequence encodes one way. Rust, Go and Python.

blog.trailofbits.com/2026/10/02/seq…

blog.trailofbits.comSequenceHash: multihashing for the rest of us

Oct 8, 2026, 7:06 PM UTC

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