[kortex]

It's a data format which can be expressed as a contiguous series of bytes and sent/stored; it's a serialization format.

This is not just nit-picking, it's been used precisely as such:

https://phiresky.github.io/blog/2021/hosting-sqlite-database...

[junon]

Sorry, should have been specific. It's not used as a _wire_ serialization format.