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13 pages in this section.
How accounts, programs, transactions, and clusters form one coherent model for Solana development - the foundation for every other page in this section.
A one-page orientation: accounts, programs, transactions, and SOL.
Denominations, precision, and handling amounts.
mainnet-beta, devnet, testnet, and localnet.
What a Solana RPC provider is, why professional apps use a dedicated provider like Helius or QuickNode instead of the public devnet endpoint, and how to wire one into your code.
~400 ms slots, leaders, and the epoch schedule.
Ed25519 keys, public keys as addresses, and signing.
Accounts-and-programs vs. contracts-with-storage.
From client to leader to confirmation and finality.
The five categories of Solana wallets - hot software, mobile, hardware/cold, CLI/file system, and multisig - what each is for, which ones are most popular, and why teams reach for a multisig instead of a single keypair.
Why developers use a Solana block explorer, the metrics every explorer exposes, the three categories of explorer tools, and a feature-by-feature look at Solscan, the official Explorer, SolanaFM, Orb, and Solana Beach.
Devnet workflow, faucets, and reading Solana Explorer.
The foundations to internalize first.