Bip39 Mnemonic Phrase Tool Some words are shorter than 4 letters, including the word “act”. Other words are longer than 4 letters, which include “summary”. Any person else who discovers the phrase can steal the bitcoins. It must be retained secret, for example it will have to not be typed https://www.youtube.com/channel/UCUpxfyTJ0fb78SQ55hU6OCw