Solana Accounts, Storage, and Rent: How Solana Remembers Things

This is Part 1 of the Solana Program Lifecycle series. If you’re new to Solana development, start here. These concepts come up in everything you’ll build. 1. The Account Model Everything on Solana is an account. Programs, user data, tokens, even the ledger state, all stored in accounts. There’s no database engine, no relational tables. Just accounts in a flat key-value map where each key is a 32-byte address and each value is an account. ...

April 18, 2026 · 8 min · widnyana