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8 minutes to read this course

Approvals originate from the Ethereum blockchain via smart contracts. They are mainly used in the field of decentralized finance (DeFi) and are also very useful for marketplaces that facilitate NFT exchanges.

However, if misused by a malicious user, they can also allow for the siphoning of cryptocurrencies and NFTs from a user’s account. What are they really for, and how do they work? That’s what we’ll delve into in this comprehensive course.

Achievements of the courses :

  • How an Authorization Works
  • Risks Associated with Authorizations
  • How to Protect Yourself and Limit Risks

Prerequisite (tools or knowledge) :

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2 Courses

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Course Includes

  • 4 Lessons
  • 1 Quiz