My biblatex gives weird output: for example, it writes "[Whi]" instead of ["Whittle"].
Furthermore, I would like to avoid writing the bibliography in the preamble, since the final work includes dozens of citations.
Minimal "working" example:
.tex file
\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage[english]{babel}
\usepackage{comment}
\usepackage[
backend=biber,
style=alphabetic,
sorting=ynt
]{biblatex}
\addbibresource{references.bib}
\title{The definitive research}
\author{The Supreme Chemist}
\begin{document}
\maketitle
\cite{whittle}
\medskip
\printbibliography
\end{document}
.bib file
@misc{whittle,
author = "Whittle",
title = "Processes and apparatus for extraction of
active substances and enriched extracts
from natural products."
}

biblatex'salphabeticstyle is configured to generate a label consisting of the first three letters of the family name of the author (if there is only one author) or the first letter of the family name (if there are more than two authors) plus the last two digits of the year. In your case that gives "Whi". Can you explain the rule you'd likebiblatexto implement instead? – moewe Sep 20 '23 at 18:05style=numeric,and you're done. – moewe Sep 20 '23 at 18:27style=numeric,. Fixed in the original comment. – moewe Sep 20 '23 at 18:28biblatexyou may want to have a look at https://tex.stackexchange.com/q/13509/35864 to learn more about what it is and how it works. – moewe Sep 20 '23 at 18:30sorting=ynt,is less commonly used in numeric styles, but since the labels are the only way for people to identify citations by, that does not necessarily make it worse thansorting=nyt,(the default). People often usesorting=none,withstyle=numeric,so that the citations are numbered "chronologically" by appearance. – moewe Sep 20 '23 at 18:32