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Solana

What Is Solana Token-2022? Extensions and Review Questions

By StonkBuilders EditorialPublished 16 Sep 2026Updated 21 Sep 20262 min read

Token-2022 is a Solana token program that supports extensions for selected token behaviors. Extensions can be useful, but create configuration and compatibility questions. Compare the Solana memecoin guide with the exact mint and program identifiers.

FigureWhich extensions deserve the closest look
Holder impactReview priorityTransfer feehighcriticalTransfer hookcriticalcriticalPermanent delegatecriticalcriticalNon-transferablehighhighConfidential transfermediumhighMetadata pointerlowmediumlowmediumhighcritical
A permanent delegate or transfer hook can change what “owning” a token means.

A practical way to use this guide

Review program owner, enabled extensions, authorities, transfer rules, metadata behavior, fees if applicable, and wallet or venue support. Use the official Token-2022 documentation. Publish configuration in plain language and test with a non-critical account.

Limits and responsible use

Token-2022 is not a safety badge. Support varies across wallets, explorers, and protocols. Technical compatibility changes, and legal or tax questions are separate. Verify current primary documentation and get qualified advice. Last reviewed 2026-09-14.

Quick review checklist

Before you rely on any crypto explanation, confirm the exact network, identifier, timestamp, data source, and intended audience. Follow the crypto glossary when a term is unfamiliar, and return to the crypto hub for the wider learning path. If the article describes a launch, pair it with the token launch guide and write down what the evidence does not establish. Prefer a small, reversible test over an irreversible action, keep private credentials out of forms and chats, and record material changes so readers can see what was updated.

Reviewed by StonkBuilders Editorial · Last reviewed 21 Sep 2026

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