Cohorts
  • Discover
  • About Us
  • Blog
  • Patika.dev
  • Web3

Web3 Fundamentals and NEAR

What is Web3?
A Quick History Lesson: Eras of the Web
Why We Need Web3
Centralized vs decentralized

What is Blockchain?
Hash - Block - Tokens
Public / Private Keys & Signing
Proof of Work vs Proof of Stake
Bitcoin
Ethereum

DApps
Smart Contract
FT-NFT
DeFi
DAO

What is NEAR Protocol?

NEAR Testnet Account Creation

NEAR Use Case

Practice Part - I
Practice Part - II

DeFi

These contents have been prepared using online resources. Patika.dev’s own contents are currently under preparation.

Defi is a web3 version of using traditional financial instruments without relying on middlemen like brokerages, exchanges or banks. DeFi does this by using smart contracts on blockchain.

DeFi allows to lend or borrow funds, trade cryptocurrencies and earn interest.

"Why is DeFi so revolutionary?

To start, anyone with Internet connection can participate in DeFi. There are no centralized authorities who can deny you access to anything (e.g. a loan, a bank account, access to your own funds).

A quick comparison:

images

For further information: DeFi

Ethereum - DeFi

Quiz

Answer the questions to check your understanding.

This lesson includes a short quiz.

Previous
Next

Lesson discussion

Swap insights and ask questions about “Web3 Fundamentals and NEAR”.

Enroll to participate
Start the course to unlock the discussion. Enrolling helps us keep conversations relevant to learners.
Cohorts
WebsiteDiscoverBlogPatika.devRise In
CoursesCircleRustSoliditySolanaWeb3 FundamentalsBlockchain Basics
CompanyAbout UsTerms of UsePrivacy PolicyGDPR NoticeCookies
Don't miss any update!

Disclaimer: The information, programs, and events provided on https://cohorts.patika.dev is strictly for upskilling and networking purposes related to the technical infrastructure of blockchain platforms. We do not provide financial or investment advice, nor do we make any representations regarding the value, profitability, or future price of any blockchain or cryptocurrency. Users are encouraged to conduct their own research and consult with licensed financial professionals before engaging in any investment activities. https://cohorts.patika.dev disclaims any responsibility for financial decisions made by users based on the information provided here.

© 2026 Cohorts, All rights reserved