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Explore fundamentals and key concepts before starting the course.
What are oracles?
Why they exist
What are oracles?
Smart contracts can't fetch web data directly; oracles bridge on-chain and off-chain.
Bridge on-chain ↔ off-chain
Price & rate feeds
Preserve determinism
How does RedStone differ?
How does RedStone differ?
RedStone's modular architecture separates data collection from delivery for efficiency.
Storage-less delivery
Multi-chain support
Gas-efficient design
Key features of RedStone
Key features of RedStone
Three integration modes and flexible data delivery options.
Pull, Push, Hybrid modes
Custom validation rules
150+ data sources