| Challenger | School | Country | |
| EleonoreC | INSA CVL | France |  |
| Emese | Université de Rennes | France | |
| EnergieADX5 | INSA CVL | France | |
| ENIBZH | ENI École Informatique | France | |
| Error404Hck | ESNA | France | |
| Erwanito | ENSIBS | France | |
| ESNA | ESNA | France | |
| etiennewan | Telecom SudParis | France | |
| ExTi0p | CentraleSupélec | France | |
| Eykla | EPITA Paris | France | |
| F0x | ESIEA | France | |
| fabecc | EPITA Paris | France | |
| face0xff | CentraleSupélec | France | |
| Fey | EPITA Paris | France | |
| Finalway | Université Bretagne Sud | France | |
| Firnorio | Université de Rennes | France | |
| Flo | UTT Troyes | France | |
| flo2 | ESIEA | France | |
| Floczii | ESNA | France | |
| Floshix | Telecom Paristech | France | |
| Flynask | Université de Rennes | France | |
| Forgi | Telecom Nancy | France | |
| forsenCD | EPITA Paris | France | |
| fratso | ENSIBS | France | |
| Fullcarton | ESIEA | France | |
| Fyxneo | Pôle Universitaire Léonard de Vinci | France | |
| Ghocha | ESGI | France | |
| GKB | Lycée de La Salle | France | |
| GovanifY | UPMC | France | |
| gpoiret | CentraleSupélec | France | |
| grandpa | Cryptis Limoges | France | |
| Greg | EPITECH | Other | |
| grumo | ESNA | France | |
| Gshoot | ENSIBS | France | |
| Gudsfile | ENSIBS | France | |
| Guibol | Université de Lyon | France | |
| Guigui | ENSIBS | France | |
| GuiGuimli | Lycée de La Salle | France | |
| Guimoz | CentraleSupélec | France | |
| h18elmal | IMT Atlantique | France | |
| H3nd | Eurecom Sophia Antipolis | France | |
| Hackhim | Université de La Rochelle | France | |
| Hacksum | Other | France | |
| Hackter | Université de Rennes | France | |
| Hamid | IMT Atlantique | France | |
| Hash-ill | ENSIBS | France | |
| HCDG | Cryptis Limoges | France | |
| Headorteil | Telecom SudParis | France | |
| headr1k | ESIEA | France | |
| Hedroed | ENSIBS | France | |
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