It depends by the software client you are using.
Every account is a string wich start with "nsec" (thats the equivalent of your precious password, never share it)
Every nostr client let you create a new account generatic a new "nsec" string OR pasting an already existing "nsec" you have into it.
Some nostr client allow to handle multiple account, like #Amethyst
Mr.Robot
npub1dt…7m357
2024-02-08 17:53:11
in reply to nevent1q…gw7q
Author Public Key
npub1dtcn2yuw2w5rpz09azk47zxyf30zd6kgk2cnzgw78njpv0nn3xqqd7m357Published at
2024-02-08 17:53:11Event JSON
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"pubkey": "6af135138e53a83089e5e8ad5f08c44c5e26eac8b2b13121de3ce4163e738980",
"created_at": 1707414791,
"kind": 1,
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"content": "It depends by the software client you are using.\n\nEvery account is a string wich start with \"nsec\" (thats the equivalent of your precious password, never share it)\nEvery nostr client let you create a new account generatic a new \"nsec\" string OR pasting an already existing \"nsec\" you have into it.\n\nSome nostr client allow to handle multiple account, like #Amethyst",
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}