Find or fix your seed

Your seed is the most important part of your Sia node because it controls access to your wallet and files. You need to keep it safe, but there are a few tools you have available to find or fix your Sia seed.
These commands can be used directly in siac. In Sia-UI, open the Terminal from the toolbar on the top of the app.
If Sia is already unlocked
You might use a custom password to access Sia. If you do, you don't often type your seed in and you may need a refresher on what it is.
Unlock your wallet and open the Terminal. Type wallet seeds.
Your seed will be displayed. Make sure you store your seed safely.​
Use siac utils
siac utils has a couple of commands that can help you troubleshoot your seed.
verify-seed
This will attempt to diagnose an issue with your seed.
Usage ./siac utils verify-seed
You'll be asked to provide your seed, at which point Sia will provide one of the following outputs:
Success
No issues detected with your seed - the seed you provided meets all the requirements for a Sia seed, and should be valid
Failure
invalid formatting - usually indicative of extra spaces in between words or at the end, or no spaces between words
seed is not valid: must be 28 or 29 words - your seed is too short or too long
seed is not valid: all words must be lowercase - there is a capital letter somewhere in your seed
seed is not valid: illegal character - you have something other than a letter in your seed
bruteforce-seed
If your seed is missing one word, this will attempt to figure out the missing word. This can also be used to check a word you're not sure about, by deleting it and then running this.
Usage ./siac utils bruteforce-seed
You'll be asked to provide your partial seed, and Sia will get to work. It may take a couple of minutes to complete. Sia will provide one of the following outputs:
Success
Found valid seed! The missing word was <word>.
Sia will then print the entire correct seed for you to store safely.
Failure
No valid seed - the utility was unable to find your missing word
Expected 27 or 28 words in partial seed, got <n> - the partial seed you provided was missing more than one word
Couldn't read seed - the partial seed you provided was invalid in other ways

Delete your seed and make a new one

I lost my seed. What do I do?

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If Sia is already unlocked

Use siac utils

verify-seed

bruteforce-seed