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Endianness

The byte order of multi-byte values in memory: little-endian stores the least significant byte first, big-endian the most significant. Formats must pick one — Wasm is little-endian — or readers on different machines disagree on the same bytes.

Questions this Concept answers

Two machines with opposite byte order exchange a raw 32-bit value as four bytes. Why does the reader see a different number than the writer sent?

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Endianness: Big-Endian and Little-Endian Byte Ordering in Computer Memory

Endianness is the convention by which a multi-byte value is ordered across sequential, individually addressable byte-sized memory locations: big-endian systems store the most-significant byte at the …