Bip39 Standard. You would probably then do a simple recovery with a command like the a single beneath. (This command utilizes a sample wallet file bunlded with BTCRecover) No, there is no complex limit to the length within your passphrase. Having said that, for your sake of memorability and practicality, https://mysitesname.com/story8516137/bip-39-https-linktr-ee-bip39-not-known-details-about-bip39-list