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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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Artificial Intelligence training in Cardiff in May 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Professional Training training in Dallas in July 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
No-Code / Low-Code training in Leeds in November 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Discover a comprehensive roadmap to develop, market, and launch a revenue-generating academic program targeting an April 2026 debut. Learn essential strategies for educators and institutions aiming for financial success.
Don't let this gap widen
Sans maîtrise d'Ink!
pour les smart contracts sur Substrate, vos contrats intelligents exposent des vulnérabilités critiques aux attaques malveillantes.
75 % des incidents de sécurité sur les blockchains Substrate proviennent d'erreurs Ink!
évitables, avec un coût moyen de 3,7 millions d'euros par brèche exploitée.
Chaque mois sans compétences solides, une équipe de développement perd 30 % de productivité en debugging et expose l'entreprise à des pertes financières cumulées de 50 000 euros.
Votre carrière et celle de votre entreprise risquent l'échec total : projets gelés, réputation ruinée dans l'écosystème Web3, et retard fatal face à la concurrence.
The Maîtriser Ink! pour les smart contracts sur Substrate : Créez votre premier contrat blockchain sécurisé training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Maîtriser Ink! pour les smart contracts sur Substrate : Créez votre premier contrat blockchain sécurisé training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Maîtriser Ink! pour les smart contracts sur Substrate : Créez votre premier contrat blockchain sécurisé training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Présentation de Polkadot, Substrate, et l’intérêt des smart contracts ; distinctions entre Ink! et d’autres frameworks ; tour d’horizon des cas d’usage. Installation de Rust, Substrate Node Template et configuration de l’environnement de travail Ink!. Premier projet Ink! avec cargo-contract, explication de la structure d’un contrat simple.
Syntaxe Ink! : macros #[ink::contract], gestion de l’état et des événements, fonctions mutables et non mutables. Types de données et spécificités Rust à maîtriser. Sécurisation des appels et des accès. Introduction aux tests unitaires Ink! (cargo test et simulateurs).
Déploiement d’un contrat sur une chaîne de test locale (Substrate local node, Westend). Utilisation de Polkadot.js Apps pour interaction. Analyse de sécurité initiale : reentrancy, overflow, test de cas limites. Rédaction d’un smart contract de gestion de tokens ERC20-like. Questions/réponses et dernières bonnes pratiques.
Target audience
Développeurs et ingénieurs logiciels souhaitant créer des smart contracts sur Substrate en Rust avec Ink!
Prerequisites
Connaissances de base en programmation (Rust conseillé), notions sur les blockchains
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