Bip39 Mnemonic. Realize the challenges – forgetting the passphrase means losing access to money: It’s crucial to understand that forgetting/dropping your passphrase will lead to forever losing entry to the related wallet and the money it consists of. No, there isn't a technical limit to the duration of the passphrase. https://indexedbookmarks.com/story18702909/bip39-word-list-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase