24 Word Seed Phrase Generator With only a few exceptions, most modern wallets will make your seed phrase to suit your needs after you build your wallet. Presumably he implies Worldwide mobility, considering that cash by definition needs to be cell. Funds that can't be mobilised will not be funds, https://listedirectory.com/listings516785/bip39-recovery-tool-the-2-minute-rule-for-bip39-phrase