diff --git a/Cargo.lock b/Cargo.lock
index 2985c1f..d1bd530 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3240,7 +3240,7 @@ checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
 
 [[package]]
 name = "nextgraph"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-once-cell",
  "async-std",
@@ -3262,7 +3262,7 @@ dependencies = [
 
 [[package]]
 name = "ng-app"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-std",
  "nextgraph",
@@ -3294,7 +3294,7 @@ dependencies = [
 
 [[package]]
 name = "ng-broker"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-std",
  "async-trait",
@@ -3319,7 +3319,7 @@ dependencies = [
 
 [[package]]
 name = "ng-client-ws"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-std",
  "async-trait",
@@ -3338,7 +3338,7 @@ dependencies = [
 
 [[package]]
 name = "ng-net"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-recursion",
  "async-std",
@@ -3368,7 +3368,7 @@ dependencies = [
 
 [[package]]
 name = "ng-oxigraph"
-version = "0.4.0-alpha.9-ng"
+version = "0.4.0-alpha.7-ngpreview"
 dependencies = [
  "codspeed-criterion-compat",
  "digest 0.10.7",
@@ -3389,14 +3389,14 @@ dependencies = [
  "serde",
  "sha1",
  "sha2 0.10.7",
- "siphasher 1.0.1",
+ "siphasher 0.3.10",
  "thiserror",
  "zstd",
 ]
 
 [[package]]
 name = "ng-repo"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "base64-url",
  "blake3",
@@ -3444,7 +3444,7 @@ dependencies = [
 
 [[package]]
 name = "ng-sdk-js"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-std",
  "getrandom 0.1.16",
@@ -3470,7 +3470,7 @@ dependencies = [
 
 [[package]]
 name = "ng-storage-rocksdb"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "ng-repo",
  "ng-rocksdb",
@@ -3498,7 +3498,7 @@ dependencies = [
 
 [[package]]
 name = "ng-verifier"
-version = "0.1.0-alpha"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-std",
  "async-trait",
@@ -3521,7 +3521,7 @@ dependencies = [
 
 [[package]]
 name = "ng-wallet"
-version = "0.1.0-alpha"
+version = "0.1.0-preview.1"
 dependencies = [
  "aes-gcm-siv",
  "argon2",
@@ -3547,7 +3547,7 @@ dependencies = [
 
 [[package]]
 name = "ngaccount"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "anyhow",
  "duration-str",
@@ -3565,7 +3565,7 @@ dependencies = [
 
 [[package]]
 name = "ngcli"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "async-std",
  "blake3",
@@ -3584,7 +3584,7 @@ dependencies = [
 
 [[package]]
 name = "ngd"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "addr",
  "async-std",
@@ -3603,7 +3603,7 @@ dependencies = [
 
 [[package]]
 name = "ngone"
-version = "0.1.0"
+version = "0.1.0-preview.1"
 dependencies = [
  "base64-url",
  "bytes",
diff --git a/Cargo.toml b/Cargo.toml
index 82ecd81..bc843f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ members = [
 default-members = [ "nextgraph", "ngcli",  "ngd" ]
 
 [workspace.package]
-version = "0.1.0"
+version = "0.1.0-preview.1"
 edition = "2021"
 rust-version = "1.74.0"
 license = "MIT/Apache-2.0"
diff --git a/nextgraph/Cargo.toml b/nextgraph/Cargo.toml
index 78d54c6..a978e48 100644
--- a/nextgraph/Cargo.toml
+++ b/nextgraph/Cargo.toml
@@ -26,14 +26,14 @@ async-std = { version = "1.12.0", features = [ "attributes", "unstable" ] }
 async-trait = "0.1.64"
 async-once-cell = "0.5.3"
 web-time = "0.2.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0" }
-ng-net = { path = "../ng-net", version = "0.1.0" }
-ng-wallet = { path = "../ng-wallet", version = "0.1.0-alpha" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-alpha" }
+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-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.1" }
+ng-verifier = { path = "../ng-verifier", version = "0.1.0-preview.1" }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0" }
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.1" }
 
 [[example]]
 name = "in_memory"
diff --git a/nextgraph/README.md b/nextgraph/README.md
index 62a5f08..f96c85d 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"
+nextgraph = "0.1.0-preview.1"
 async-std = "1.12.0"
 ```
 
diff --git a/ng-broker/Cargo.toml b/ng-broker/Cargo.toml
index 41e848c..e65ff87 100644
--- a/ng-broker/Cargo.toml
+++ b/ng-broker/Cargo.toml
@@ -27,11 +27,11 @@ async-trait = "0.1.64"
 rust-embed= { version = "6.7.0", features=["include-exclude"] }
 ng-async-tungstenite = { version = "0.22.2", git = "https://git.nextgraph.org/NextGraph/async-tungstenite.git", branch = "nextgraph", features = ["async-std-runtime"] }
 blake3 = "1.3.1"
-ng-repo = { path = "../ng-repo", version = "0.1.0" }
-ng-net = { path = "../ng-net", version = "0.1.0" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-alpha" }
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0" }
+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" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies.getrandom]
 version = "0.2.7"
diff --git a/ng-client-ws/Cargo.toml b/ng-client-ws/Cargo.toml
index e69cb60..a9db245 100644
--- a/ng-client-ws/Cargo.toml
+++ b/ng-client-ws/Cargo.toml
@@ -18,8 +18,8 @@ either = "1.8.1"
 futures = "0.3.24"
 async-trait = "0.1.64"
 async-std = {  version = "1.12.0", features = ["attributes","unstable"] }
-ng-repo = { path = "../ng-repo", version = "0.1.0" }
-ng-net = { path = "../ng-net", version = "0.1.0" }
+ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
+ng-net = { path = "../ng-net", version = "0.1.0-preview.1" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 wasm-bindgen = "0.2"
diff --git a/ng-net/Cargo.toml b/ng-net/Cargo.toml
index ad969d3..e18b966 100644
--- a/ng-net/Cargo.toml
+++ b/ng-net/Cargo.toml
@@ -36,7 +36,7 @@ url = "2.4.0"
 regex = "1.8.4"
 base64-url = "2.0.0"
 web-time = "0.2.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0" }
+ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 reqwest = { version = "0.11.18", features = ["json","native-tls-vendored"] } 
diff --git a/ng-oxigraph/Cargo.toml b/ng-oxigraph/Cargo.toml
index 96cce65..28b5ac9 100644
--- a/ng-oxigraph/Cargo.toml
+++ b/ng-oxigraph/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-oxigraph"
-version = "0.4.0-alpha.9-ng"
+version = "0.4.0-alpha.7-ngpreview"
 authors = ["Tpt <thomas@pellissier-tanon.fr>", "Niko PLP <niko@nextgraph.org>"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
diff --git a/ng-repo/Cargo.toml b/ng-repo/Cargo.toml
index be4d6af..a49bfbd 100644
--- a/ng-repo/Cargo.toml
+++ b/ng-repo/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-repo"
-# version = "0.1.0"
+# version = "0.1.0-preview.1"
 description = "Repository library of NextGraph, a decentralized, secure and local-first web 3.0 ecosystem based on Semantic Web and CRDTs"
 categories = ["asynchronous","database-implementations"]
 version.workspace = true
diff --git a/ng-storage-rocksdb/Cargo.toml b/ng-storage-rocksdb/Cargo.toml
index 415181b..7650cf7 100644
--- a/ng-storage-rocksdb/Cargo.toml
+++ b/ng-storage-rocksdb/Cargo.toml
@@ -14,7 +14,7 @@ rust-version.workspace = true
 
 [dependencies]
 serde_bare = "0.5.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0" }
+ng-repo = { path = "../ng-repo", version = "0.1.0-preview.1" }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies.ng-rocksdb]
 git = "https://git.nextgraph.org/NextGraph/rust-rocksdb.git"
diff --git a/ng-verifier/Cargo.toml b/ng-verifier/Cargo.toml
index 26dc2b8..8c6f431 100644
--- a/ng-verifier/Cargo.toml
+++ b/ng-verifier/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-verifier"
-version = "0.1.0-alpha"
+version = "0.1.0-preview.1"
 description = "Verifier library of NextGraph"
 edition.workspace = true
 license.workspace = true
@@ -30,16 +30,16 @@ async-std = { version = "1.12.0", features = [ "attributes", "unstable" ] }
 automerge = "0.5.9"
 yrs = "0.18.2"
 bloomfilter = { version = "1.0.13", features = ["random","serde"] }
-ng-repo = { path = "../ng-repo", version = "0.1.0" }
-ng-net = { path = "../ng-net", version = "0.1.0" }
-ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.9-ng" }
+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-ngpreview" }
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
-ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.9-ng", features = ["js"] }
+ng-oxigraph = { path = "../ng-oxigraph", version = "0.4.0-alpha.7-ngpreview", features = ["js"] }
 
 [target.'cfg(not(target_arch = "wasm32"))'.dependencies]
-ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0" }
+ng-storage-rocksdb = { path = "../ng-storage-rocksdb", version = "0.1.0-preview.1" }
 getrandom = "0.2.7"
 
 [dev-dependencies]
-ng-repo = { path = "../ng-repo", version = "0.1.0", features = ["testing"] }
\ 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-wallet/Cargo.toml b/ng-wallet/Cargo.toml
index c6e0687..cf6d758 100644
--- a/ng-wallet/Cargo.toml
+++ b/ng-wallet/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ng-wallet"
-version = "0.1.0-alpha"
+version = "0.1.0-preview.1"
 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
@@ -31,10 +31,10 @@ chacha20poly1305 = "0.10.1"
 #{version = "0.10.1", features = ["heapless","getrandom"] }
 image = "0.24.6"
 web-time = "0.2.0"
-ng-repo = { path = "../ng-repo", version = "0.1.0" }
-ng-net = { path = "../ng-net", version = "0.1.0" }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-alpha" }
+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" }
 
 [dev-dependencies]
-ng-repo = { path = "../ng-repo", version = "0.1.0", features = ["testing"] }
-ng-verifier = { path = "../ng-verifier", version = "0.1.0-alpha", features = ["testing"] }
\ No newline at end of file
+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
diff --git a/ngaccount/Cargo.toml b/ngaccount/Cargo.toml
index 0543022..e18f248 100644
--- a/ngaccount/Cargo.toml
+++ b/ngaccount/Cargo.toml
@@ -23,6 +23,6 @@ log = "0.4"
 env_logger = "0.10"
 anyhow = "1.0.71"
 duration-str = "0.7.1"
-ng-repo = { path = "../ng-repo", version = "0.1.0", features = ["server_log_output"] }
-ng-net = { path = "../ng-net", version = "0.1.0" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0" }
\ No newline at end of file
+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-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.1" }
\ No newline at end of file
diff --git a/ngcli/Cargo.toml b/ngcli/Cargo.toml
index f0373dc..bd56996 100644
--- a/ngcli/Cargo.toml
+++ b/ngcli/Cargo.toml
@@ -26,6 +26,6 @@ duration-str = "0.7.1"
 clap = { version = "4.3.5", features = ["env","string","cargo"] }
 log = "0.4"
 env_logger = "0.10"
-ng-repo = { path = "../ng-repo", version = "0.1.0", features = ["server_log_output"] }
-ng-net = { path = "../ng-net", version = "0.1.0" }
-ng-client-ws = { path = "../ng-client-ws", version = "0.1.0" }
\ No newline at end of file
+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-client-ws = { path = "../ng-client-ws", version = "0.1.0-preview.1" }
\ No newline at end of file
diff --git a/ngd/Cargo.toml b/ngd/Cargo.toml
index 8fadbde..01c8bb2 100644
--- a/ngd/Cargo.toml
+++ b/ngd/Cargo.toml
@@ -27,9 +27,9 @@ lazy_static = "1.4.0"
 log = "0.4"
 env_logger = "0.10"
 clap = { version = "4.3.21", features = ["derive","env","string"] }
-ng-repo = { path = "../ng-repo", version = "0.1.0", features = ["server_log_output"] }
-ng-net = { path = "../ng-net", version = "0.1.0" }
-ng-broker = { path = "../ng-broker", version = "0.1.0" }
+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" }
 
 
 
diff --git a/ngd/README.md b/ngd/README.md
index 34197df..1a87dbf 100644
--- a/ngd/README.md
+++ b/ngd/README.md
@@ -84,8 +84,8 @@ should return your userId
 you can now save the configs of both the server and client
 
 ```
-ngd -l 1440 --save-config
-ngcli -s 127.0.0.1,1440,<PEER_ID_OF_SERVER> -d <SERVER_DOMAIN> -u <THE_PRIVATE_KEY_OF_THE_USER_YOU_JUST_CREATED> --save-config
+ngd -l 1440 -d <SERVER_DOMAIN> --save-config
+ngcli -s 127.0.0.1,1440,<PEER_ID_OF_SERVER> -u <THE_PRIVATE_KEY_OF_THE_USER_YOU_JUST_CREATED> --save-config
 ```
 
 ## License