What is a freeze authority on a Solana token?
By @solknifexyz · Reviewed
A freeze authority is an address attached to a Solana token that can freeze any holder's token account. While an account is frozen, the holder cannot send, sell, or move those tokens at all. The freeze authority is set when the token is created, and it stays in force until it is explicitly revoked.
Why an active freeze authority is dangerous
It is the cleanest honeypot a token creator has. You buy the token. The price goes up. You go to sell, and your account has been frozen. The tokens are still in your wallet, but you can do nothing with them. The creator sells into your buy while you sit frozen. Because freezing is instant and costs the issuer almost nothing, an active freeze authority on an ordinary memecoin should be treated as a serious risk.
Revoked versus active
A responsible token creator revokes the freeze authority after launch, permanently. Revoked means revoked: it cannot be restored, and no address can freeze accounts for that token ever again. SolKnife reads the mint account directly from the chain, so "revoked" is a fact, not an estimate. An active freeze authority means someone, right now, holds the power to freeze holders.
Is a freeze authority always bad?
Not in every context. Regulated or compliance-oriented tokens sometimes keep a freeze authority on purpose, to meet legal requirements, and some Token-2022 designs use related mechanisms deliberately. But for an ordinary memecoin, or any token you found on a decentralized exchange, there is no good reason for the team to keep the ability to freeze you. In that context, an active freeze authority is a reason not to buy.
How to check a token's freeze authority
Paste the mint address into the SolKnife rug checker. The authority signal reads the mint account and reports the freeze authority as active or revoked, alongside the mint authority and the other safety signals. It takes seconds and needs no wallet. For the full routine, see how to check a Solana token for a rug pull.
Frequently asked questions
If the freeze authority is revoked, can my tokens still be frozen?
No. Once revoked, no address can freeze accounts for that token. The revocation is permanent.
Can a token add a freeze authority back later?
No. A freeze authority can only be set when the token is created and then revoked. It cannot be added back after revocation.
What is the difference from the mint authority?
The mint authority controls whether new supply can be created. The freeze authority controls whether holders can be frozen. On a token meant for open trading, both should usually be revoked.
Related
- Revoke authority tool— the fix, if you're the creator of a token with an active freeze authority; revokes mint and/or freeze in one signed transaction
- How to revoke mint authority on a Solana token — the procedure, costs, and what NOT to revoke too early
- How to check a Solana token for a rug pull — how the rug-checker reads authority state and flags it