diff --git a/rfc/0013_Duniter_Encrypted_Wallet_Import_Format.md b/rfc/0013_Duniter_Encrypted_Wallet_Import_Format.md
index 996a6d06c26779d62688e57827bbb2544ce6d559..43bf10af43f6b10bf4ae5b768c4c7e8f4e198cf1 100644
--- a/rfc/0013_Duniter_Encrypted_Wallet_Import_Format.md
+++ b/rfc/0013_Duniter_Encrypted_Wallet_Import_Format.md
@@ -60,7 +60,7 @@ The 4 bytes of the version field must be interpreted as an unsigned integer enco
 
 | log N     | Algorithm   | Encrypted data  |
 |:---------:|:-----------:|:---------------:|
-| 1 byte    | 1 byte      | 64 bytes        |
+| 1 byte    | 1 byte      | Any bytes       |
 
 #### Algorithm
 
@@ -70,16 +70,10 @@ The 4 bytes of the version field must be interpreted as an unsigned integer enco
 | [BIP32-Ed25519] | 0x01 |
 | Unknown*        | 0x02 |
 
-* Future algorithms can be added to DEWIF v1 if their seed and public key are the same size.
+*\* Future algorithms can be added to DEWIF v1.*
 
 #### Encrypted data
 
-| Seed          | Public key    |
-|:-------------:|:-------------:|
-| 32 bytes      | 32 bytes      |
-
-The public key serves as a checksum. To check that the DEWIF base64 string is not corrupted, simply generate a keypair with the seed and check that the obtained public key matches.
-
 **Symmetric encryption algorithm:** aes256
 
 **AES256 key** = scrypt of user passphrase with the following parameters:  
@@ -92,13 +86,21 @@ The public key serves as a checksum. To check that the DEWIF base64 string is no
 |**r**           |16                            |
 |**p**           |1                             |
 
+##### Algorithm Ed25519
+
+| Seed          | Public key    |
+|:-------------:|:-------------:|
+| 32 bytes      | 32 bytes      |
+
+The public key serves as a checksum. To check that the DEWIF base64 string is not corrupted, simply generate a keypair with the seed and check that the obtained public key matches.
+
 **Example 1:**
 
 | Parameter         | Value                        |
 |:-----------------:|:----------------------------:|
-|**Log N**          | 15|
-|**Algorithm**      |Ed25519|
-|**Keypair seed**   | 0xbfa3f6e322cf21d0e652f79a69df9498fdf5347665e5646d9041f756496a1143  |
+|**Log N**          | 15                           |
+|**Algorithm**      | Ed25519                      |
+|**Keypair seed**   | 0xbfa3f6e322cf21d0e652f79a69df9498fdf5347665e5646d9041f756496a1143 |
 
 ```txt
 0x000000001 #v1
@@ -111,47 +113,73 @@ The public key serves as a checksum. To check that the DEWIF base64 string is no
 
 **AES256 key generated from scrypt with the following parameters:**
 
-| Parameter         | Value                        |
-|:-----------------:|:----------------------------:|
-|**N**          | `2^12 = 4096`  |
-|**r**      |16|
-|**p**   | 1  |
-
+| Parameter         | Value         |
+|:-----------------:|:-------------:|
+| **N**             | `2^12 = 4096` |
+| **r**             | 16            |
+| **p**             | 1             |
 
 DEWIF base 64 string (with aes key `"toto titi tata"`):
 
 `AAAAARAAAAEMAJ8UMCz6NVliR+EGUdlnZ8RAi8GqcbXqDn7TZxjXzBI6NbRxSDYlXdJRMlg3YKttB5EPAZrNafNIUGmFyEyaIvQ=`
 
+##### Algorithm Bip32-Ed25519
+
+| Language code  | Entropy length | Mnemonic entropy | Checksum | padding      |
+|:--------------:|:--------------:|:----------------:|:--------:|:------------:|
+| Uint8 (1 byte) | Uint8 (1 byte) | Any bytes        | 8 bytes  | Zeroed bytes |
+
+The padding is used so that the size of the encrypted data is a multiple of 16 (necessary for aes256).
+
+Language code:
+
+| Language code  | Language            |
+|:--------------:|:-------------------:|
+| 0              | English             |
+| 1              | Chinese simplified  |
+| 2              | Chinese traditional |
+| 3              | French              |
+| 4              | Italian             |
+| 5              | Japanese            |
+| 6              | Korean              |
+| 7              | Spanish             |
+
+Mnemonic entropy is defined on [BIP39]
+
+To check that the DEWIF base64 string is not corrupted, compute the hash sha256 of `Language code || Entropy length || Mnemonic entropy`. The first eight bytes of the sha256 hash constitute the checksum.
+
 **Example 2:**
 
 | parameter         | value                        |
 |:-----------------:|:----------------------------:|
-|**Log N**          | 15|
-|**Algorithm**      |Bip32-Ed25519|
-|**Keypair seed**   | 0xb7d3a54e1c20172cd38e0d803776a3bacf11f895ef8ef846043a0d628431c872  |
-
+| **Log N**         | 14                           |
+| **Algorithm**     | Bip32-Ed25519                |
+| **mnemonic**      | `"crop cash unable insane eight faith inflict route frame loud box vibrant"` |
 
 ```txt
 0x000000001 #v1
 0x100000001 #g1-test
 0x0F # log N
 0x01 # Algorithm Bip32-Ed25519
-0xb7d3a54e1c20172cd38e0d803776a3bacf11f895ef8ef846043a0d628431c872 # keypair seed
-0xd1fec6ddf6e887e40bd77d459131ee5a6bec1194341b9393ead606363bb7b060 # public key
+0x00 # Language english
+0x10 # Entropy length
+0x33E46BB13A746EA41CDDE45C90846A79 # Mnemonic entropy
+0x???? # checksum
 ```
 
-**AES256 key generated from scrypt with the following parameters:** 
+**AES256 key generated from scrypt with the following parameters:**
 
-| Parameter         | Value                        |
-|:-----------------:|:----------------------------:|
-|**N**          | `2^15 = 32768`  |
-|**r**      |16|
-|**p**   | 1  |
+| Parameter      | Value          |
+|:--------------:|:--------------:|
+| **N**          | `2^14 = 16384` |
+| **r**          | 16             |
+| **p**          | 1              |
 
 DEWIF base 64 string (with aes key `"toto titi tata"`):
 
-`AAAAARAAAAEPAXBN8l4QNE9IhJV0f7w22U0UpnXnNupVruNplirmnM88WdtmyBlXy5pYX1VvTVplmO5vz/49FukruEGRIhEXvLw=`
+`???`
 
-[Ed25519]: https://tools.ietf.org/html/rfc8032
 [BIP32-Ed25519]: https://drive.google.com/file/d/0ByMtMw2hul0EMFJuNnZORDR2NDA/view
+[Ed25519]: https://tools.ietf.org/html/rfc8032
+[BIP39]: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki#generating-the-mnemonic
 [DUBP]: https://git.duniter.org/nodes/common/doc/blob/master/rfc/0010_Duniter_Blockchain_Protocol_V12.md