International audienceThe Tuareg have an old alphabet with characters called tafineq, a word that might refer back to the term used by the Greeks to refer to Phoenicians. This autochtonous alphabet derived from older " Libyco-Berber " scripts, which are attested as far back as the middle of the second century BCE. It coexists with two alphabets of foreign origin : Arabic and Latin. It is only used to write short texts : letters to people who are close, graffiti on trees or rocks, or inscriptions on utensils. This article focuses on how this alphabet is used for letterwriting even though this activity allows for using the Latin alphabet too. Recent attempts to reform the Tuareg's alphabet are discussed.The matter of this paper has been incor...