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Solana: Is mint account keypair stored when creating it via CLI

Published by Terlumun Aondover on February 5th, 2025.

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Is the Mint account key pair saved when creating a new Mint account using the Sp-Token CLI?

When it comes to creating a new Mint account on Solana using the sp-token CLI, users often wonder if their newly created key pair is stored anywhere. The answer lies in how sp-token handles key pair storage.

Understanding the sp-token CLI key pair storage

The sp-token CLI provides several ways to interact with the Solana blockchain and create accounts, including mining. When you run sp-token create-account, it generates a new account and key pair for you. But what happens to this key pair afterwards?

Keypair Storage: A Closer Look

According to the [sp-token documentation]( the sp-token CLI uses a memory-stored Keypair object to create an account. This means that if you create a new mint account, the keypair you generate is essentially stored in the application’s memory space.

Is the keypair stored somewhere?

In other words, does spl-token save your newly created keypair somewhere on disk or in a file format? The answer is no. The keypair object is not stored on any external storage; it remains completely local to the sp-token application itself.

Why don’t you need to store your keypair somewhere else?

So, why isn’t there a way to securely store your keypair outside of spl-token? There are several reasons for this:

Memory limitations: If you were to store the Keypair object on disk or in another file format, it would require a lot of memory, especially if you plan to create multiple accounts.

Performance issues: Trying to load a large Keypair object from disk can also degrade performance due to the additional processing and data loading required.

Security considerations: Storing private keypairs in a non-secure environment is generally not recommended.

Conclusion

Solana: Is mint account keypair stored when creating it via CLI

To sum up, when you create a new mint account using spl-token, your newly created keypair is stored locally in the sp-token application itself. This means you don’t need to store it elsewhere; it’s completely secure as long as you run spl-token on the same system that owns your Solana instance.

Additional Tips

Always run spl-token from a secure environment, such as a trusted network or a separate computer.

When storing confidential key pairs, consider using additional security measures such as encryption or secure storage solutions.

Remember that even if your key pair is stored locally in spl-token, it is still an important part of managing your Solana account.

By understanding how sp-token manages key pair storage, you can better manage your Solana accounts and reduce the risks associated with storing sensitive data.

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