BIP39 stands for Bitcoin Improvement Proposal 39. The words are selected from a specific list of 2048 popular English words that may be used to the generate a binary seed (your personal important). Numerous Wallets:Should you manage multiple wallets, confirm that you’re using the correct seed phrase for the wallet https://thebookmarkage.com/story18806262/the-ultimate-guide-to-bip39-seed-phrase-mnemonics-generator