Initializing Accounts in Solana and Anchor !Storage in Solana Up until this point, none of our tutorials have used "storage variables" or stored anything permanent. In Solidity and Ethereum, a more...

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...

Modifying accounts using different signers !Hero image showing Anchor Signer: Modifying accounts with different signers In our Solana tutorials thus far, we've only had one account initialize and...

Transferring SOL and building a payment splitter: "msg.value" in Solana !Hero image showing Transfering SOL and building a payment splitter This tutorial will introduce the mechanism by which Solana...

Init_if_needed in Anchor and the Reinitialization Attack !Hero image showing Anchor init_if_needed In previous tutorials, we've had to initialize an account in a separate transaction before we can...

Tx.origin, msg.sender, and onlyOwner in Solana: identifying the caller !tx.origin msg.sender onlyOwner in Solana In Solidity, the is a global variable that represents the address that called or...

The unusual syntax of Rust !The unusual syntax of Rust Readers coming from a Solidity or Javascript background may find Rust's usage and syntax of , , , , and to be weird (or even ugly). This chapter...

Understanding Account Ownership in Solana: Transferring SOL out of a PDA !Hero image showing Solona account ownership The owner of an account in Solana is able to reduce the SOL balance, write data...

Owner vs Authority in Solana !Hero image showing Owner vs Authority Newcomers to Solana are frequently confused by the distinction between an "owner" and an "authority." This article attempts to...

The Solana clock and other "block" variables !solana clock Today we will cover the analogs of all the block variables from Solidity. Not all of them have 1-1 analogs. In Solidity, we have the...