What it means
Smart contracts often need price feeds or other outside information. Oracles help provide that data.
Why it matters
Oracle failures or manipulation can affect DeFi apps.
Common mistake
Do not treat Oracle in crypto as a universal rule. Exchanges, wallets and card apps may use the same term differently, especially around limits, fees, networks and account restrictions.
User action
Before relying on this term, check the provider's official help page, fee schedule or product terms. If funds are involved, test with a small amount first and keep a record of the transaction or setting.
Related pages
Continue with Smart contract or return to the crypto glossary.
How to use this term
Use Oracle as a practical checkpoint when comparing exchanges, wallets, cards or on-chain tools.
What to check
Check how the term appears in fees, limits, account rules, wallet flows and risk notes before making a platform decision.