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Learn everything about Solana

Course Introduction
Solana Introduction
Solana Smart Contract Fundamentals - Transactions
Solana Smart Contract Fundamentals - Instructions
Solana Smart Contract Fundamentals - Accounts
Solana Smart Contract Fundamentals - Program Derived Addresses (PDAs)

Installation Rust
Counter I - Implementing State and Instructions
Counter II - Implementing Process Instruction
Counter III - Build & Test
Submit Your Homework 1: Update Increment and Decrement Functions

Token Transfer I - Implementing process_instruction
Token Transfer II - Testing
Submit Your Homework 2: Change Transfer Amount

What Are We Going to Build?
Review I - Implementing State
Review II - Defining Instructions
Review III - Implementing Add_Review
Review IV - Implementing Update_Review
Review V - Build & Deploy
Review VI - Frontend

Build Your Final Project

Skim through the following sections. You can always come back to them.

B. Instructions

Instructions in Solana are bundled within a transaction and are executed sequentially.

Each instruction contains a program ID, accounts that it wishes to interact with, and a data field.

  1. The program ID specifies the on-chain program (smart contract) that will process the instruction. The accounts array includes all accounts that the instruction will read from or write to. The accounts array must include at least one signer who authorizes the instruction.
  2. The data field is an arbitrary byte array that is passed to the program for processing. 

In Solana, the combination of transactions and instructions allows for high throughput and efficient processing.

The network is capable of processing thousands of transactions per second, each containing multiple instructions, which can interact with different programs and accounts.

This design is a key part of Solana's scalability and speed.

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