diff --git a/Cargo.lock b/Cargo.lock
index e03a198..321bafa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7080,9 +7080,9 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2a0956f1ba7c7909bfb66c2e9e4124ab6f6482560f6628b5aaeba39207c9aad9"
+checksum = "525b4ec142c6b68a2d10f01f7bbf6755599ca3f81ea53b8431b7dd348f5fdb2d"
 dependencies = [
  "zeroize_derive",
 ]
diff --git a/nextgraph/Cargo.toml b/nextgraph/Cargo.toml
index 8c4c6fb..a21f733 100644
--- a/nextgraph/Cargo.toml
+++ b/nextgraph/Cargo.toml
@@ -2,7 +2,7 @@
 name = "nextgraph"
 description = "NextGraph client library. Nextgraph is a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs"
 categories = ["asynchronous","text-editors","web-programming","development-tools","database-implementations"]
-version = "0.1.0-preview.2"
+version = "0.1.0-preview.3"
 edition.workspace = true
 license.workspace = true
 authors.workspace = true
@@ -20,7 +20,7 @@ serde_bare = "0.5.0"
 serde_json = "1.0"
 base64-url = "2.0.0"
 once_cell = "1.17.1"
-zeroize = { version = "1.6.0", features = ["zeroize_derive"] }
+zeroize = { version = "1.7.0", features = ["zeroize_derive"] }
 futures = "0.3.24"
 async-std = { version = "1.12.0", features = [ "attributes", "unstable" ] }
 async-trait = "0.1.64"
@@ -28,15 +28,12 @@ async-once-cell = "0.5.3"
 web-time = "0.2.0"
 ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
 ng-net = { path = "../ng-net", version = "0.1.0-preview.1" }
-ng-wallet = { path = "../ng-wallet", version = "0.1.0-preview.1" }
+ng-wallet = { path = "../ng-wallet", version = "0.1.0-preview.3" }
 ng-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.1" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.2" }
+ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.3" }
 
-[target.'cfg(all(not(target_arch = "wasm32"),not(doc)))'.dependencies]
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.1" }
-
-[package.metadata.docs.rs]
-rustc-args = [ "--cfg" , "doc"]
+[target.'cfg(all(not(target_arch = "wasm32")))'.dependencies]
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.3" }
 
 [[example]]
 name = "in_memory"
diff --git a/nextgraph/README.md b/nextgraph/README.md
index 0761ad5..c95cd31 100644
--- a/nextgraph/README.md
+++ b/nextgraph/README.md
@@ -43,7 +43,7 @@ A tokio-based version (as a feature) might be available in the future.
 
 ```toml
 [dependencies]
-nextgraph = "0.1.0-preview.1"
+nextgraph = "0.1.0-preview.3"
 async-std = "1.12.0"
 ```
 
diff --git a/nextgraph/src/local_broker.rs b/nextgraph/src/local_broker.rs
index 9673aba..b6c488e 100644
--- a/nextgraph/src/local_broker.rs
+++ b/nextgraph/src/local_broker.rs
@@ -46,7 +46,7 @@ use ng_wallet::{create_wallet_first_step_v0, create_wallet_second_step_v0, types
 use ng_client_ws::remote_ws::ConnectionWebSocket;
 #[cfg(target_arch = "wasm32")]
 use ng_client_ws::remote_ws_wasm::ConnectionWebSocket;
-#[cfg(not(any(target_family = "wasm",doc)))]
+#[cfg(not(any(target_family = "wasm")))]
 use ng_storage_rocksdb::block_storage::RocksDbBlockStorage;
 
 #[doc(hidden)]
@@ -824,7 +824,7 @@ impl LocalBroker {
                 (VerifierType::Memory, LocalBrokerConfig::BasePath(_)) => {
                     VerifierConfigType::Memory
                 }
-                #[cfg(all(not(target_family = "wasm"),not(doc)))]
+                #[cfg(all(not(target_family = "wasm")))]
                 (VerifierType::Save, LocalBrokerConfig::BasePath(base)) => {
                     let mut path = base.clone();
                     path.push(format!("user{}", config.user_id().to_hash_string()));
@@ -911,7 +911,7 @@ impl LocalBroker {
             Arc::new(std::sync::RwLock::new(HashMapBlockStorage::new()))
                 as Arc<std::sync::RwLock<dyn BlockStorage + Send + Sync + 'static>>
         } else {
-            #[cfg(all(not(target_family = "wasm"),not(doc)))]
+            #[cfg(all(not(target_family = "wasm")))]
             {
                 let key_material = wallet
                     .client()
diff --git a/ng-broker/Cargo.toml b/ng-broker/Cargo.toml
index e65ff87..b1f2c21 100644
--- a/ng-broker/Cargo.toml
+++ b/ng-broker/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-broker"
-# version = "0.1.0"
+version = "0.1.0-preview.3"
 description = "Broker library of NextGraph, a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs"
 version.workspace = true
 edition.workspace = true
@@ -30,8 +30,8 @@ blake3 = "1.3.1"
 ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
 ng-net = { path = "../ng-net", version = "0.1.0-preview.1" }
 ng-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.1" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.1" }
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.1" }
+ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.3" }
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.3" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies.getrandom]
 version = "0.2.7"
diff --git a/ng-oxigraph/Cargo.toml b/ng-oxigraph/Cargo.toml
index bf8663d..aa87937 100644
--- a/ng-oxigraph/Cargo.toml
+++ b/ng-oxigraph/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-oxigraph"
-version = "0.4.0-alpha.7-ngpreview2"
+version = "0.4.0-alpha.7-ngpreview3"
 authors = ["Tpt <thomas@pellissier-tanon.fr>", "Niko PLP <niko@nextgraph.org>"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
@@ -44,9 +44,9 @@ quick-xml = ">=0.29, <0.32"
 memchr = "2.5"
 peg = "0.8"
 
-[target.'cfg(all(not(target_family = "wasm"),not(doc)))'.dependencies]
+[target.'cfg(all(not(target_family = "wasm")))'.dependencies]
 libc = "0.2"
-ng-rocksdb = { version = "0.21.0", git = "https://git.nextgraph.org/NextGraph/rust-rocksdb.git", branch = "master", features = [  ] }
+ng-rocksdb = { version = "0.21.0-ngpreview.1", git = "https://git.nextgraph.org/NextGraph/rust-rocksdb.git", branch = "master", features = [  ] }
 
 [target.'cfg(all(target_family = "wasm", target_os = "unknown"))'.dependencies]
 getrandom = "0.2.8"
@@ -56,8 +56,6 @@ js-sys = { version = "0.3.60", optional = true }
 codspeed-criterion-compat = "2.3.3"
 zstd = ">=0.12, <0.14"
 
-[package.metadata.docs.rs]
-rustc-args = [ "--cfg" , "doc"]
 
 [lints.rust]
 absolute_paths_not_starting_with_crate = "warn"
diff --git a/ng-oxigraph/src/oxigraph/storage/backend/mod.rs b/ng-oxigraph/src/oxigraph/storage/backend/mod.rs
index 6df3606..b94eb65 100644
--- a/ng-oxigraph/src/oxigraph/storage/backend/mod.rs
+++ b/ng-oxigraph/src/oxigraph/storage/backend/mod.rs
@@ -1,12 +1,12 @@
 //! A storage backend
 //! RocksDB is available, if not in memory
 
-#[cfg(any(target_family = "wasm", doc))]
+#[cfg(any(target_family = "wasm"))]
 pub use fallback::{ColumnFamily, ColumnFamilyDefinition, Db, Iter, Reader, Transaction};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 pub use oxi_rocksdb::{ColumnFamily, ColumnFamilyDefinition, Db, Iter, Reader, Transaction};
 
-#[cfg(any(target_family = "wasm", doc))]
+#[cfg(any(target_family = "wasm"))]
 mod fallback;
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 mod oxi_rocksdb;
diff --git a/ng-oxigraph/src/oxigraph/storage/binary_encoder.rs b/ng-oxigraph/src/oxigraph/storage/binary_encoder.rs
index 4fb2120..d1cf1ac 100644
--- a/ng-oxigraph/src/oxigraph/storage/binary_encoder.rs
+++ b/ng-oxigraph/src/oxigraph/storage/binary_encoder.rs
@@ -5,7 +5,7 @@ use crate::oxsdatatypes::*;
 use std::io::Read;
 use std::mem::size_of;
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 pub const LATEST_STORAGE_VERSION: u64 = 1;
 pub const WRITTEN_TERM_MAX_SIZE: usize = size_of::<u8>() + 2 * size_of::<StrHash>();
 
diff --git a/ng-oxigraph/src/oxigraph/storage/mod.rs b/ng-oxigraph/src/oxigraph/storage/mod.rs
index a928efe..a20740e 100644
--- a/ng-oxigraph/src/oxigraph/storage/mod.rs
+++ b/ng-oxigraph/src/oxigraph/storage/mod.rs
@@ -1,9 +1,9 @@
 #![allow(clippy::same_name_method)]
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use crate::oxigraph::model::Quad;
 use crate::oxigraph::model::{GraphNameRef, NamedOrBlankNodeRef, QuadRef, TermRef};
 use crate::oxigraph::storage::backend::{Reader, Transaction};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use crate::oxigraph::storage::binary_encoder::LATEST_STORAGE_VERSION;
 use crate::oxigraph::storage::binary_encoder::{
     decode_term, encode_term, encode_term_pair, encode_term_quad, encode_term_triple,
@@ -14,24 +14,24 @@ use crate::oxigraph::storage::binary_encoder::{
 pub use crate::oxigraph::storage::error::{
     CorruptionError, LoaderError, SerializerError, StorageError,
 };
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use crate::oxigraph::storage::numeric_encoder::Decoder;
 use crate::oxigraph::storage::numeric_encoder::{
     insert_term, EncodedQuad, EncodedTerm, StrHash, StrLookup,
 };
 use backend::{ColumnFamily, ColumnFamilyDefinition, Db, Iter};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::collections::VecDeque;
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::collections::{HashMap, HashSet};
 use std::error::Error;
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::mem::{swap, take};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::path::{Path, PathBuf};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::sync::Mutex;
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::{io, thread};
 
 mod backend;
@@ -51,16 +51,16 @@ const DSPO_CF: &str = "dspo";
 const DPOS_CF: &str = "dpos";
 const DOSP_CF: &str = "dosp";
 const GRAPHS_CF: &str = "graphs";
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 const DEFAULT_CF: &str = "default";
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 const DEFAULT_BULK_LOAD_BATCH_SIZE: usize = 1_000_000;
 
 /// Low level storage primitives
 #[derive(Clone)]
 pub struct Storage {
     db: Db,
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     default_cf: ColumnFamily,
     id2str_cf: ColumnFamily,
     spog_cf: ColumnFamily,
@@ -80,7 +80,7 @@ impl Storage {
         Self::setup(Db::new(Self::column_families())?)
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn open(path: &Path, key: Option<[u8; 32]>) -> Result<Self, StorageError> {
         Self::setup(Db::open_read_write(
             Some(path),
@@ -89,7 +89,7 @@ impl Storage {
         )?)
     }
 
-    // #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    // #[cfg(all(not(target_family = "wasm")))]
     // pub fn open_secondary(primary_path: &Path) -> Result<Self, StorageError> {
     //     Self::setup(Db::open_secondary(
     //         primary_path,
@@ -98,7 +98,7 @@ impl Storage {
     //     )?)
     // }
 
-    // #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    // #[cfg(all(not(target_family = "wasm")))]
     // pub fn open_persistent_secondary(
     //     primary_path: &Path,
     //     secondary_path: &Path,
@@ -110,7 +110,7 @@ impl Storage {
     //     )?)
     // }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn open_read_only(path: &Path, key: Option<[u8; 32]>) -> Result<Self, StorageError> {
         Self::setup(Db::open_read_only(path, Self::column_families(), key)?)
     }
@@ -188,7 +188,7 @@ impl Storage {
 
     fn setup(db: Db) -> Result<Self, StorageError> {
         let this = Self {
-            #[cfg(all(not(target_family = "wasm"), not(doc)))]
+            #[cfg(all(not(target_family = "wasm")))]
             default_cf: db.column_family(DEFAULT_CF)?,
             id2str_cf: db.column_family(ID2STR_CF)?,
             spog_cf: db.column_family(SPOG_CF)?,
@@ -203,12 +203,12 @@ impl Storage {
             graphs_cf: db.column_family(GRAPHS_CF)?,
             db,
         };
-        #[cfg(all(not(target_family = "wasm"), not(doc)))]
+        #[cfg(all(not(target_family = "wasm")))]
         this.migrate()?;
         Ok(this)
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     fn migrate(&self) -> Result<(), StorageError> {
         let mut version = self.ensure_version()?;
         if version == 0 {
@@ -248,7 +248,7 @@ impl Storage {
         }
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     fn ensure_version(&self) -> Result<u64, StorageError> {
         Ok(
             if let Some(version) = self.db.get(&self.default_cf, b"oxversion")? {
@@ -262,7 +262,7 @@ impl Storage {
         )
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     fn update_version(&self, version: u64) -> Result<(), StorageError> {
         self.db
             .insert(&self.default_cf, b"oxversion", &version.to_be_bytes())?;
@@ -289,12 +289,12 @@ impl Storage {
         })
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn flush(&self) -> Result<(), StorageError> {
         self.db.flush()
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn compact(&self) -> Result<(), StorageError> {
         self.db.compact(&self.default_cf)?;
         self.db.compact(&self.gspo_cf)?;
@@ -309,7 +309,7 @@ impl Storage {
         self.db.compact(&self.id2str_cf)
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn backup(&self, target_directory: &Path) -> Result<(), StorageError> {
         self.db.backup(target_directory)
     }
@@ -634,7 +634,7 @@ impl StorageReader {
         }
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn get_str(&self, key: &StrHash) -> Result<Option<String>, StorageError> {
         Ok(self
             .storage
@@ -645,7 +645,7 @@ impl StorageReader {
             .map_err(CorruptionError::new)?)
     }
 
-    #[cfg(any(target_family = "wasm", doc))]
+    #[cfg(any(target_family = "wasm"))]
     pub fn get_str(&self, key: &StrHash) -> Result<Option<String>, StorageError> {
         Ok(self
             .reader
@@ -655,21 +655,21 @@ impl StorageReader {
             .map_err(CorruptionError::new)?)
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn contains_str(&self, key: &StrHash) -> Result<bool, StorageError> {
         self.storage
             .db
             .contains_key(&self.storage.id2str_cf, &key.to_be_bytes())
     }
 
-    #[cfg(any(target_family = "wasm", doc))]
+    #[cfg(any(target_family = "wasm"))]
     pub fn contains_str(&self, key: &StrHash) -> Result<bool, StorageError> {
         self.reader
             .contains_key(&self.storage.id2str_cf, &key.to_be_bytes())
     }
 
     /// Validates that all the storage invariants held in the data
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn validate(&self) -> Result<(), StorageError> {
         // triples
         let dspo_size = self.dspo_quads(&[]).count();
@@ -781,7 +781,7 @@ impl StorageReader {
     }
 
     /// Validates that all the storage invariants held in the data
-    #[cfg(any(target_family = "wasm", doc))]
+    #[cfg(any(target_family = "wasm"))]
     #[allow(clippy::unused_self, clippy::unnecessary_wraps)]
     pub fn validate(&self) -> Result<(), StorageError> {
         Ok(()) // TODO
@@ -1005,7 +1005,7 @@ impl<'a> StorageWriter<'a> {
         }
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     fn insert_str(&mut self, key: &StrHash, value: &str) -> Result<(), StorageError> {
         if self
             .storage
@@ -1021,7 +1021,7 @@ impl<'a> StorageWriter<'a> {
         )
     }
 
-    #[cfg(any(target_family = "wasm", doc))]
+    #[cfg(any(target_family = "wasm"))]
     fn insert_str(&mut self, key: &StrHash, value: &str) -> Result<(), StorageError> {
         self.transaction.insert(
             &self.storage.id2str_cf,
@@ -1186,7 +1186,7 @@ impl<'a> StorageWriter<'a> {
     }
 }
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 #[must_use]
 pub struct StorageBulkLoader {
     storage: Storage,
@@ -1195,7 +1195,7 @@ pub struct StorageBulkLoader {
     max_memory_size: Option<usize>,
 }
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 impl StorageBulkLoader {
     pub fn new(storage: Storage) -> Self {
         Self {
@@ -1326,7 +1326,7 @@ impl StorageBulkLoader {
     }
 }
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 struct FileBulkLoader<'a> {
     storage: &'a Storage,
     id2str: HashMap<StrHash, Box<str>>,
@@ -1335,7 +1335,7 @@ struct FileBulkLoader<'a> {
     graphs: HashSet<EncodedTerm>,
 }
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 impl<'a> FileBulkLoader<'a> {
     fn new(storage: &'a Storage, batch_size: usize) -> Self {
         Self {
@@ -1541,7 +1541,7 @@ impl<'a> FileBulkLoader<'a> {
     }
 }
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 fn map_thread_result<R>(result: thread::Result<R>) -> io::Result<R> {
     result.map_err(|e| {
         io::Error::new(
diff --git a/ng-oxigraph/src/oxigraph/store.rs b/ng-oxigraph/src/oxigraph/store.rs
index 523428b..310901e 100644
--- a/ng-oxigraph/src/oxigraph/store.rs
+++ b/ng-oxigraph/src/oxigraph/store.rs
@@ -25,7 +25,7 @@
 //! };
 //! # Result::<_, Box<dyn std::error::Error>>::Ok(())
 //! ```
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use super::io::RdfParseError;
 use super::io::{RdfFormat, RdfParser, RdfSerializer};
 use super::model::*;
@@ -34,7 +34,7 @@ use super::sparql::{
     QueryResults, Update, UpdateOptions,
 };
 use super::storage::numeric_encoder::{Decoder, EncodedQuad, EncodedTerm};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use super::storage::StorageBulkLoader;
 use super::storage::{
     ChainedDecodingQuadIterator, DecodingGraphIterator, Storage, StorageReader, StorageWriter,
@@ -42,7 +42,7 @@ use super::storage::{
 pub use super::storage::{CorruptionError, LoaderError, SerializerError, StorageError};
 use std::error::Error;
 use std::io::{Read, Write};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::path::Path;
 use std::{fmt, str};
 
@@ -100,14 +100,14 @@ impl Store {
     /// Only one read-write [`Store`] can exist at the same time.
     /// If you want to have extra [`Store`] instance opened on a same data
     /// use [`Store::open_read_only`].
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn open(path: impl AsRef<Path>) -> Result<Self, StorageError> {
         Ok(Self {
             storage: Storage::open(path.as_ref(), None)?,
         })
     }
 
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn open_with_key(path: impl AsRef<Path>, key: [u8; 32]) -> Result<Self, StorageError> {
         Ok(Self {
             storage: Storage::open(path.as_ref(), Some(key))?,
@@ -124,7 +124,7 @@ impl Store {
     // /// If you prefer persistent storage use [`Store::open_persistent_secondary`].
     // ///
     // /// If you want to simple read-only [`Store`] use [`Store::open_read_only`].
-    // #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    // #[cfg(all(not(target_family = "wasm")))]
     // pub fn open_secondary(primary_path: impl AsRef<Path>) -> Result<Self, StorageError> {
     //     Ok(Self {
     //         storage: Storage::open_secondary(primary_path.as_ref())?,
@@ -139,7 +139,7 @@ impl Store {
     /// `primary_path` must be the path of the primary instance and `secondary_path` an other directory for the secondary instance cache.
     ///
     /// If you want to simple read-only [`Store`] use [`Store::open_read_only`].
-    // #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    // #[cfg(all(not(target_family = "wasm")))]
     // pub fn open_persistent_secondary(
     //     primary_path: impl AsRef<Path>,
     //     secondary_path: impl AsRef<Path>,
@@ -155,7 +155,7 @@ impl Store {
     /// Opens a read-only [`Store`] from disk.
     ///
     /// Opening as read-only while having an other process writing the database is undefined behavior.
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn open_read_only(
         path: impl AsRef<Path>,
         key: Option<[u8; 32]>,
@@ -939,7 +939,7 @@ impl Store {
     /// Flushes all buffers and ensures that all writes are saved on disk.
     ///
     /// Flushes are automatically done using background threads but might lag a little bit.
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn flush(&self) -> Result<(), StorageError> {
         self.storage.flush()
     }
@@ -949,7 +949,7 @@ impl Store {
     /// Useful to call after a batch upload or another similar operation.
     ///
     /// <div class="warning">Can take hours on huge databases.</div>
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn optimize(&self) -> Result<(), StorageError> {
         self.storage.compact()
     }
@@ -972,7 +972,7 @@ impl Store {
     /// This allows cheap regular backups.
     ///
     /// If you want to move your data to another RDF storage system, you should have a look at the [`Store::dump_to_write`] function instead.
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn backup(&self, target_directory: impl AsRef<Path>) -> Result<(), StorageError> {
         self.storage.backup(target_directory.as_ref())
     }
@@ -999,7 +999,7 @@ impl Store {
     /// assert!(store.contains(QuadRef::new(ex, ex, ex, ex))?);
     /// # Result::<_, Box<dyn std::error::Error>>::Ok(())
     /// ```
-    #[cfg(all(not(target_family = "wasm"), not(doc)))]
+    #[cfg(all(not(target_family = "wasm")))]
     pub fn bulk_loader(&self) -> BulkLoader {
         BulkLoader {
             storage: StorageBulkLoader::new(self.storage.clone()),
@@ -1617,14 +1617,14 @@ impl Iterator for GraphNameIter {
 /// assert!(store.contains(QuadRef::new(ex, ex, ex, ex))?);
 /// # Result::<_, Box<dyn std::error::Error>>::Ok(())
 /// ```
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 #[must_use]
 pub struct BulkLoader {
     storage: StorageBulkLoader,
     on_parse_error: Option<Box<dyn Fn(RdfParseError) -> Result<(), RdfParseError>>>,
 }
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 impl BulkLoader {
     /// Sets the maximal number of threads to be used by the bulk loader per operation.
     ///
diff --git a/ng-repo/Cargo.toml b/ng-repo/Cargo.toml
index 8331c65..66f0da7 100644
--- a/ng-repo/Cargo.toml
+++ b/ng-repo/Cargo.toml
@@ -38,7 +38,7 @@ bloomfilter = { version = "1.0.13", features = ["random","serde"] }
 curve25519-dalek = "3.2.0"
 threshold_crypto = "0.4.0"
 crypto_box = { version = "0.8.2", features = ["seal"] }
-zeroize = { version = "1.6.0", features = ["zeroize_derive"] }
+zeroize = { version = "1.7.0", features = ["zeroize_derive"] }
 base64-url = "2.0.0"
 web-time = "0.2.0"
 time = { version= "0.3.36", features = ["formatting"] }
diff --git a/ng-storage-rocksdb/Cargo.toml b/ng-storage-rocksdb/Cargo.toml
index 7650cf7..d0b7553 100644
--- a/ng-storage-rocksdb/Cargo.toml
+++ b/ng-storage-rocksdb/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-storage-rocksdb"
-# version = "0.1.0"
+version = "0.1.0-preview.3"
 description = "Stores based on RocksDB for NextGraph"
 version.workspace = true
 edition.workspace = true
@@ -20,4 +20,4 @@ ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
 git = "https://git.nextgraph.org/NextGraph/rust-rocksdb.git"
 branch = "master"
 features = [  ]
-version = "0.21.0"
+version = "0.21.0-ngpreview.1"
diff --git a/ng-verifier/Cargo.toml b/ng-verifier/Cargo.toml
index 8ca0ed9..50942b1 100644
--- a/ng-verifier/Cargo.toml
+++ b/ng-verifier/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-verifier"
-version = "0.1.0-preview.2"
+version = "0.1.0-preview.3"
 description = "Verifier library of NextGraph"
 edition.workspace = true
 license.workspace = true
@@ -32,17 +32,14 @@ yrs = "0.18.2"
 bloomfilter = { version = "1.0.13", features = ["random","serde"] }
 ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
 ng-net = { path = "../ng-net", version = "0.1.0-preview.1" }
-ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngpreview2" }
+ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngpreview3" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngpreview2", features = ["js"] }
+ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngpreview3", features = ["js"] }
 
-[target.'cfg(all(not(target_arch = "wasm32"),not(doc)))'.dependencies]
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.1" }
+[target.'cfg(all(not(target_arch = "wasm32")))'.dependencies]
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.3" }
 getrandom = "0.2.7"
 
 [dev-dependencies]
-ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1", features = ["testing"] }
-
-[package.metadata.docs.rs]
-rustc-args = [ "--cfg" , "doc"]
\ No newline at end of file
+ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1", features = ["testing"] }
\ No newline at end of file
diff --git a/ng-verifier/src/lib.rs b/ng-verifier/src/lib.rs
index d28b395..b4567a7 100644
--- a/ng-verifier/src/lib.rs
+++ b/ng-verifier/src/lib.rs
@@ -12,5 +12,5 @@ mod commits;
 
 mod request_processor;
 
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 mod rocksdb_user_storage;
diff --git a/ng-verifier/src/verifier.rs b/ng-verifier/src/verifier.rs
index 12ed5a2..c025c97 100644
--- a/ng-verifier/src/verifier.rs
+++ b/ng-verifier/src/verifier.rs
@@ -13,11 +13,11 @@ use core::fmt;
 use std::cmp::max;
 use std::collections::BTreeMap;
 use std::collections::HashSet;
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::fs::create_dir_all;
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::fs::{read, File, OpenOptions};
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use std::io::Write;
 use std::{collections::HashMap, sync::Arc};
 
@@ -58,7 +58,7 @@ use ng_net::{
 };
 
 use crate::commits::*;
-#[cfg(all(not(target_family = "wasm"), not(doc)))]
+#[cfg(all(not(target_family = "wasm")))]
 use crate::rocksdb_user_storage::RocksDbUserStorage;
 use crate::types::*;
 use crate::user_storage::InMemoryUserStorage;
@@ -714,7 +714,7 @@ impl Verifier {
                 }
                 Ok(res)
             }
-            #[cfg(all(not(target_family = "wasm"), not(doc)))]
+            #[cfg(all(not(target_family = "wasm")))]
             VerifierConfigType::RocksDb(path) => {
                 let mut path = path.clone();
                 path.push(format!("outbox{}", self.peer_id.to_hash_string()));
@@ -794,7 +794,7 @@ impl Verifier {
                         serde_bare::to_vec(&e)?,
                     )?;
                 }
-                #[cfg(all(not(target_family = "wasm"), not(doc)))]
+                #[cfg(all(not(target_family = "wasm")))]
                 VerifierConfigType::RocksDb(path) => {
                     let mut path = path.clone();
                     std::fs::create_dir_all(path.clone()).unwrap();
@@ -1968,7 +1968,7 @@ impl Verifier {
                 let res = (js.last_seq_function)(self.peer_id, qty)?;
                 self.max_reserved_seq_num = res + qty as u64;
             }
-            #[cfg(all(not(target_family = "wasm"), not(doc)))]
+            #[cfg(all(not(target_family = "wasm")))]
             VerifierConfigType::RocksDb(path) => {
                 let mut path = path.clone();
                 std::fs::create_dir_all(path.clone()).unwrap();
@@ -2028,7 +2028,7 @@ impl Verifier {
                 Some(Box::new(InMemoryUserStorage::new()) as Box<dyn UserStorage>),
                 Some(block_storage),
             ),
-            #[cfg(all(not(target_family = "wasm"), not(doc)))]
+            #[cfg(all(not(target_family = "wasm")))]
             VerifierConfigType::RocksDb(path) => {
                 let mut path_oxi = path.clone();
                 path_oxi.push("graph");
diff --git a/ng-wallet/Cargo.toml b/ng-wallet/Cargo.toml
index 3c5f5fd..720da95 100644
--- a/ng-wallet/Cargo.toml
+++ b/ng-wallet/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-wallet"
-version = "0.1.0-preview.1"
+version = "0.1.0-preview.3"
 description = "Wallet library of NextGraph. keeps the secret keys of all identities of the user in a safe wallet. NextGraph is a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs"
 categories = ["authentication"]
 edition.workspace = true
@@ -23,7 +23,7 @@ async-std = {  version = "1.12.0", features = ["attributes","unstable"] }
 getrandom = { version = "0.1.1", features = ["wasm-bindgen"] }
 rand =  { version = "0.7", features = ["getrandom"] }
 aes-gcm-siv = {version = "0.11.1", features = ["aes","heapless","getrandom","std"] }
-zeroize = { version = "1.6.0", features = ["zeroize_derive"] }
+zeroize = { version = "1.7.0", features = ["zeroize_derive"] }
 crypto_box = { version = "0.8.2", features = ["seal"] }
 blake3 = "1.3.1"
 argon2 = "0.5.0"
@@ -33,8 +33,8 @@ image = "0.24.6"
 web-time = "0.2.0"
 ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
 ng-net = { path = "../ng-net", version = "0.1.0-preview.1" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.1" }
+ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.3" }
 
 [dev-dependencies]
 ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1", features = ["testing"] }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.1", features = ["testing"] }
\ No newline at end of file
+ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.3", features = ["testing"] }
\ No newline at end of file
diff --git a/ngcli/Cargo.toml b/ngcli/Cargo.toml
index bd56996..62dc2e3 100644
--- a/ngcli/Cargo.toml
+++ b/ngcli/Cargo.toml
@@ -19,7 +19,7 @@ maintenance = { status = "actively-developed" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 async-std = {  version = "1.12.0", features = ["attributes"] }
-zeroize = { version = "1.6.0" }
+zeroize = { version = "1.7.0" }
 getrandom = "0.2.7"
 blake3 = "1.3.1"
 duration-str = "0.7.1"
diff --git a/ngd/Cargo.toml b/ngd/Cargo.toml
index 01c8bb2..defbcc4 100644
--- a/ngd/Cargo.toml
+++ b/ngd/Cargo.toml
@@ -20,7 +20,7 @@ maintenance = { status = "actively-developed" }
 serde_bare = "0.5.0"
 serde_json = "1.0"
 async-std = {  version = "1.12.0", features = ["attributes"] }
-zeroize = { version = "1.6.0" }
+zeroize = { version = "1.7.0" }
 addr = "0.15.6"
 regex = "1.8.4"
 lazy_static = "1.4.0"
@@ -29,7 +29,7 @@ env_logger = "0.10"
 clap = { version = "4.3.21", features = ["derive","env","string"] }
 ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1", features = ["server_log_output"] }
 ng-net = { path = "../ng-net", version = "0.1.0-preview.1" }
-ng-broker = { path = "../ng-broker", version = "0.1.0-preview.1" }
+ng-broker = { path = "../ng-broker", version = "0.1.0-preview.3" }