diff --git a/dbs-write-ops/src/bc.rs b/dbs-write-ops/src/bc.rs
index 17b2c1bc26d049bf6103a43b3d08849496a0b1c4..2c4892f3a7e3281fc5c7bd5cfef93d307a926c7d 100644
--- a/dbs-write-ops/src/bc.rs
+++ b/dbs-write-ops/src/bc.rs
@@ -177,6 +177,7 @@ mod tests {
             version: 10,
             median_time: 5_243,
             dividend: Some(1000),
+            identities: vec!["D9D2zaJoWYWveii1JRYLVK3J4Z7ZH3QczoKrnQeiM6mx:Ydnclvw76/JHcKSmU9kl9Ie0ne5/X8NYOqPqbGnufIK3eEPRYYdEYaQh+zffuFhbtIRjv6m/DkVLH5cLy/IyAg==:0-E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855:elois".to_owned()],
             joiners: vec!["D9D2zaJoWYWveii1JRYLVK3J4Z7ZH3QczoKrnQeiM6mx:FFeyrvYio9uYwY5aMcDGswZPNjGLrl8THn9l3EPKSNySD3SDSHjCljSfFEwb87sroyzJQoVzPwER0sW/cbZMDg==:0-E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855:0-E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855:elois".to_owned()],
             inner_hash: Some("0000000A65A12DB95B3153BCD05DB4D5C30CC7F0B1292D9FFBC3DE67F72F6040".to_owned()),
             signature: "7B0hvcfajE2G8nBLp0vLVaQcQdQIyli21Gu8F2l+nimKHRe+fUNi+MWd1e/u29BYZa+RZ1yxhbHIbFzytg7fAA==".to_owned(),
diff --git a/dbs-write-ops/src/bc/identities.rs b/dbs-write-ops/src/bc/identities.rs
index 0249308747014d1ce3f7ea5ffe6f5631ac97b00b..4eea2fbba1c0aca96ef82298912cde7f87faea56 100644
--- a/dbs-write-ops/src/bc/identities.rs
+++ b/dbs-write-ops/src/bc/identities.rs
@@ -27,21 +27,19 @@ pub(crate) fn update_identities<B: Backend>(
         identities.upsert(
             PubKeyKeyV2(pubkey),
             IdtyDbV2 {
+                created_on: idty.blockstamp(),
                 is_member: true,
                 username,
+                signature: idty.signatures()[0],
             },
         )
     }
     for mb in block.joiners() {
         let pubkey = mb.issuers()[0];
-        let username = mb.identity_username().to_owned();
-        identities.upsert(
-            PubKeyKeyV2(pubkey),
-            IdtyDbV2 {
-                is_member: true,
-                username,
-            },
-        )
+        if let Some(mut idty) = identities.get(&PubKeyKeyV2(pubkey))? {
+            idty.is_member = true;
+            identities.upsert(PubKeyKeyV2(pubkey), idty)
+        }
     }
     for revo in block.revoked() {
         let pubkey = revo.issuer;
@@ -65,14 +63,10 @@ pub(crate) fn revert_identities<B: Backend>(
 ) -> KvResult<()> {
     for mb in block.joiners() {
         let pubkey = mb.issuers()[0];
-        let username = mb.identity_username().to_owned();
-        identities.upsert(
-            PubKeyKeyV2(pubkey),
-            IdtyDbV2 {
-                is_member: false,
-                username,
-            },
-        )
+        if let Some(mut idty) = identities.get(&PubKeyKeyV2(pubkey))? {
+            idty.is_member = false;
+            identities.upsert(PubKeyKeyV2(pubkey), idty)
+        }
     }
     for idty in block.identities() {
         let pubkey = idty.issuers()[0];
diff --git a/dbs/src/values/block_meta.rs b/dbs/src/values/block_meta.rs
index 92eaee0934ac0f66b4f6988976043d4ac9a97ff3..9c42e267fea8c4371096b0b6caaecfa27870199d 100644
--- a/dbs/src/values/block_meta.rs
+++ b/dbs/src/values/block_meta.rs
@@ -39,7 +39,7 @@ pub struct BlockMetaV2 {
     pub nonce: u64,                     // 8
     pub monetary_mass: u64,             // 8
     pub unit_base: u32,                 // 4
-    pub dividend: Option<SourceAmount>, // 17 -> TOTAL SIZE == 335 bytes
+    pub dividend: Option<SourceAmount>, // 17 -> TOTAL SIZE == 323 bytes
 }
 impl BlockMetaV2 {
     pub fn blockstamp(&self) -> Blockstamp {
diff --git a/dbs/src/values/idty_db.rs b/dbs/src/values/idty_db.rs
index 688e1f9b6e53874badedf129889960bc702189a4..2a633846b1ae10885e9349eee6259393066ee2f7 100644
--- a/dbs/src/values/idty_db.rs
+++ b/dbs/src/values/idty_db.rs
@@ -17,8 +17,10 @@ use crate::*;
 
 #[derive(Clone, Debug, Default, PartialEq, Serialize, Deserialize)]
 pub struct IdtyDbV2 {
+    pub created_on: Blockstamp,
     pub is_member: bool,
     pub username: String,
+    pub signature: Signature,
 }
 
 impl AsBytes for IdtyDbV2 {