Description

What is the NEAR blockchain?

built to be simple, secure and scalable. Low cost. High speed. Effortless scale. <0.01USD Transaction Cost 18M+ Active Accounts 400K Daily Transactions ~2.4s Time to Finality Contracts, DAOs, dapps, funding Layer 1 blockchainnot dependent on other chains. uses a unique scaling mechanism

Nightshade sharding Scales infinitely resists short-term usage spikes Proof of stake

More efficient than Bitcoin and Ethereum web-based wallet

no need for users to install programs or browser extensions makes it especially easy to onboard new users (e.g. through named accounts) Certified carbon neutral

consumes in a year the same energy bitcoin consumes in 3 minutes Interoperable with Ethereum

using Rainbow Bridge Join 1.3+ million students in high-quality courses featured at Harvard

Lifetime access that never expires Project-based curriculum to superboost your portfolio Graduation certificate for every course Absolute beginner-friendly Use any computer Satisfaction guarantee Get all source code Popular bundle by Mammoth students Perfected over years of training Reviews from the Mammoth Community

“This is AMAZING I just learned how to code without breaking a sweat, this is really easy and fun!” -Shalonda Lewis

“This course so far is by far amazing! The instructor is very encouraging and up beat.” -Moiz Saqib

“It was informative and definitely covered the basics. Easy to understand and to follow.” -Colin Mooney

• 1. 00 Project preview
  • 01 Project preview - Build a marketplace dapp on NEAR blockchain

    5:25

• 2. 10 Connect a React Dapp with NEAR contract
  • 00 What is web3JS

    2:06

  • 01 Set up React dapp for NEAR

    8:21

  • 02 Define configuration for NEAR in React

    6:58

  • 05 Test connection to wallet and contract

    7:05

• 3. 11 Interact with NEAR contract in dapp
  • 01 Handle sign in and sign out of wallet

    3:38

  • 02 Call NEAR functions in dapp

    5:01

• 4. 12 Show AssemblyScript contract contents in React
  • 01 Build user interface to establish the wallet connection

    12:45

  • 02 Show state values from AssemblyScript contract in React

    7:25

• 5. 13 Build a React frontend for AssemblyScript smart contract
  • 01 Connect to contract before rendering dapp

    3:38

  • 02 Build a Course component

    6:29

• 6. 14 Render all data from AssemblyScript contract in dapp
  • 01 Get all entries in AssemblyScript smart contract map

    8:21

  • 02 Get all entries from AssemblyScript in React

    9:56

  • 03 Render an AssemblyScript map in React DOM

    4:06

  • 04 Build a Courses component to render all entries

    5:43

• 7. 15 Connect to AssemblyScript add function in React component
  • 01 Build React component to add entry to AssemblyScript map

    6:49

  • 02 Connect to add entry function in React component

    7:06

• 8. 16 Expand smart contract for complex data
  • 01 Build model to represent course

    7:29

  • 02 Update smart contract to use complex data model

    8:07

  • 03 Update AssemblyScript smart contract on NEAR

    12:28

  • (Prerequisite) Introduction to Python | 07. Lists

    11:38

• 9. 17 Update React dapp with AssemblyScript data model
  • 01 Update Courses component with complex data model

    4:22

  • 02 Update adding course with complex data model

    6:55

• 10. 18 Enable purchase from AssemblyScript contract in React
  • 01 Build AssemblyScript method for purchase

    6:16

  • 02 Build NEAR customer account to test purchase

    5:16

  • 03 Get more test NEAR token from faucet

    3:17

  • 04 Fund testnet wallet with NEAR CLI

    4:43

• 11. 19 Test purchase with NEAR smart contract
  • 01 Test purchase with NEAR smart contract

    10:11

  • 02 Use a React component for each object

    7:57

  • 03 Enable NEAR purchase in React dapp

    8:59

  • 04 Send NEAR with purchase in React dapp

    6:17

• 12. 20 Expand model with more properties
  • 01 Format each course in a Bootstrap card

    9:36

  • 02 Add image to model in AssemblyScript smart contract

    5:55

  • 03 Display image from AssemblyScript smart contract in React dapp

    0:05