I'm working on a server that will have access to a specific wallet that hold funds and NFTs to submit transactions. Therefore, it will have to manage private keys.

I'm thinking of storing them encrypted as environment variables (.env file), using RSA encryption.

Is this a good practice or is there a better way to do this?

1 Answer 1


See this post, Best setup of your air-gapped offline machine (cold environment)?.

Also consider the following https://cosd.com/frankenwallet.

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