Basic Bank Tutorial with SPL Tokens and Anchor In this tutorial, we’ll build a simple bank program on Solana with the basic features you'd expect from a regular bank. Users can create accounts, check...

Token Sale with Total Supply Tutorial A token sale program is a smart contract that sells a specific token, usually in exchange for a native token like SOL, at a fixed price. The sale runs until a...

How the SPL Token Works Solana Program Library Token (SPL Token) is Solana's standard for tokens: how to create tokens and how they should behave. It is Solana’s equivalent to Ethereum’s token...

Transferring SPL Tokens with Anchor and Web3.js In the previous tutorial, we learned how SPL tokens work. In this tutorial, we’ll implement a full SPL token lifecycle: create, mint, transfer, and...

Reading Another Anchor Program's Account Data On Chain In Solidity, reading another contract's storage requires calling a function or the storage variable being public. In Solana, an off-chain client...

Multicall in Solana: Batching Transactions and Transaction Size Limit !Hero image showing Solona transaction batch and transaction size limit Solana has multicall built in In Ethereum, we use the...

Cost of storage, maximum storage size, and account resizing in Solana !Solana account rent When allocating storage space, the payer must pay a certain number of SOL per byte allocated. Solana calls...

Solana counter tutorial: reading and writing data to accounts !Writing Data to accounts in Anchor Solana In our previous tutorial, we discussed how to initialize an account so that we could persist...

#[derive(Accounts)] in Anchor: different kinds of accounts in Solana Anchor is an attribute-like macro for structs that holds references to all the accounts the function will access during its...

Creating "mappings" and "nested mapping" in Solana !"Mappings" and "Nested Mappings" in Solana In the previous tutorials, the parameter was always empty. If we put data into it, it behaves like a key...