You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word is a checksum).
+
You can enter an existing BIP39 mnemonic, or generate a new random one. Typing your own twelve words will probably not work how you expect, since the words require a particular structure (the last word contains a checksum).
For more info see the
BIP39 spec.
@@ -135,8 +36,8 @@
- Generate a random mnemonic, or enter your own below:
-
+ Generate a random mnemonic:
+
- words
+ words, or enter your own below.
+
+
+ Mnemonics with less than 12 words have low entropy and may be guessed by an attacker.
+
+
@@ -163,7 +69,7 @@
-
+
@@ -180,7 +86,7 @@
-
+
@@ -190,30 +96,69 @@
-
+
-
+
+
+
+
+
+
+
+ The mnemonic will appear more secure than it really is.
+
+
-
- Use private keys at
- brainwallet.org.
-
- Be careful - it can be easy to make mistakes if you don't know what you're doing.
+ Read more at the
+ official BIP85 spec
Entropy
+
+ Entropy values should not include the BIP39 checksum. This is automatically added by the tool.
+
Entropy values must be sourced from a
@@ -667,7 +924,7 @@
This means flipping a fair coin, rolling a fair dice, noise measurements etc.
- Do NOT use phrases from books, lyrics from songs, your birthday or steet address,
+ Do NOT use phrases from books, lyrics from songs, your birthday or street address,
keyboard mashing, or anything you think is random, because chances are overwhelming it isn't
random enough for the needs of this tool.
@@ -692,6 +949,19 @@