Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
1 seat held for the next session
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.
Don't let this gap widen
Without Chainlink mastery, 85% of DeFi exploits result from manipulated off-chain data, causing 3,7 milliards de dollars in losses in 2023 according to Chainalysis.
Teams stuck on centralized oracles lose 60% of time on debugging and maintenance, delaying product launches.
In enterprises, the lack of Chainlink skills exposes teams to failed regulatory audits and exclusion from major DeFi protocols, widening a fatal competitive gap.
Every quarter without advanced training, your projects risk obsolescence against decentralized and secure competitors.
Act now to secure your blockchain assets.
Discover the decentralized architecture of Chainlink with a focus on oracle nodes and secure consensus, install the advanced development environment via Hardhat and Remix, practice consuming Data Feeds for real-time prices on Ethereum and Polygon testnets, develop your first consumer smart contract with guided exercises, analyze real DeFi cases to measure gains in reliability and professional security.
Integrate Chainlink Any-API to connect your smart contracts to any external data source, configure KEEPERS for on-chain task automation, perform practical exercises on enterprise scenarios like dynamic DeFi loans, test flows in real conditions on Sepolia, produce a functional deliverable with integrated monitoring, optimize calls to reduce gas costs and gain professional efficiency.
Master Chainlink VRF for provable and secure randomization in blockchain games and lotteries, deploy KEEPERS chains for automated smart contract execution, create custom External Adapters for proprietary data, apply these tools to a DeFi red thread project with unit tests via Foundry, evaluate scalability across multiple chains, generate impact reports to demonstrate certifying enterprise value.
Prepare mainnet deployment of your Chainlink solutions with security audits via Slither and Mythril, optimize gas costs and resilience to oracle manipulation attacks, integrate monitoring tools like Tenderly and Chainlink CCIP, finalize the red thread project with code review by the trainer, simulate high-load production scenarios, produce complete documentation and a maintenance plan for immediate enterprise adoption.
The Training Chainlink - Integrating Secure Oracles in DeFi program is delivered onsite or remote (blended-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Training Chainlink - Integrating Secure Oracles in DeFi program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Training Chainlink - Integrating Secure Oracles in DeFi program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Blockchain & Web3Industry-certified
Storage & backupIndustry-certified
Storage & backupIndustry-certified
Storage & backupIndustry-certified
Storage & backupIndustry-certified
Storage & backupIndustry-certified
Storage & backupIndustry-certified
Social mediaIndustry-certified
Social mediaIndustry-certified
Social mediaIndustry-certified
Social mediaIndustry-certified
Social mediaIndustry-certified
Social mediaIndustry-certified
Cryptography & PKIIndustry-certified
Cryptography & PKIIndustry-certified
Cryptography & PKIIndustry-certified
Cryptography & PKIIndustry-certified
Cryptography & PKIIndustry-certified
Cryptography & PKIIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.