diff --git a/nodes/nomos-node/Cargo.toml b/nodes/nomos-node/Cargo.toml
index 53d255cc..623cbb3a 100644
--- a/nodes/nomos-node/Cargo.toml
+++ b/nodes/nomos-node/Cargo.toml
@@ -16,12 +16,14 @@ futures = "0.3"
 http = "0.2.9"
 hex = "0.4.3"
 kzgrs-backend = { path = "../../nomos-da/kzgrs-backend" }
+subnetworks-assignations = { path = "../../nomos-da/network/subnetworks-assignations" }
 overwatch-rs = { git = "https://github.com/logos-co/Overwatch", rev = "2f70806" }
 overwatch-derive = { git = "https://github.com/logos-co/Overwatch", rev = "ac28d01" }
 tracing = "0.1"
 multiaddr = "0.18"
 nomos-core = { path = "../../nomos-core" }
 nomos-da-verifier = { path = "../../nomos-services/data-availability/verifier", features = ["rocksdb-backend", "libp2p"] }
+nomos-da-network-service = { path = "../../nomos-services/data-availability/network" }
 nomos-network = { path = "../../nomos-services/network", features = ["libp2p"] }
 nomos-api = { path = "../../nomos-services/api" }
 nomos-log = { path = "../../nomos-services/log" }
diff --git a/nodes/nomos-node/src/config.rs b/nodes/nomos-node/src/config.rs
index cc973c46..357589fc 100644
--- a/nodes/nomos-node/src/config.rs
+++ b/nodes/nomos-node/src/config.rs
@@ -1,20 +1,25 @@
+// std
 use std::{
     net::{IpAddr, SocketAddr, ToSocketAddrs},
     path::PathBuf,
 };
-
-use crate::NomosApiService;
+// crates
 use clap::{Parser, ValueEnum};
 use color_eyre::eyre::{eyre, Result};
 use cryptarchia_ledger::Coin;
 use hex::FromHex;
-use nomos_libp2p::{secp256k1::SecretKey, Multiaddr};
+use nomos_da_network_service::backends::libp2p::validator::DaNetworkValidatorBackend;
+use nomos_da_network_service::NetworkService as DaNetworkService;
+use nomos_libp2p::{ed25519::SecretKey, Multiaddr};
 use nomos_log::{Logger, LoggerBackend, LoggerFormat};
 use nomos_network::backends::libp2p::Libp2p as NetworkBackend;
 use nomos_network::NetworkService;
 use overwatch_rs::services::ServiceData;
 use serde::{Deserialize, Serialize};
+use subnetworks_assignations::versions::v1::FillFromNodeList;
 use tracing::Level;
+// internal
+use crate::NomosApiService;
 
 #[derive(ValueEnum, Clone, Debug, Default)]
 pub enum LoggerBackendType {
@@ -114,6 +119,8 @@ pub struct MetricsArgs {
 pub struct Config {
     pub log: <Logger as ServiceData>::Settings,
     pub network: <NetworkService<NetworkBackend> as ServiceData>::Settings,
+    pub da_network:
+        <DaNetworkService<DaNetworkValidatorBackend<FillFromNodeList>> as ServiceData>::Settings,
     pub http: <NomosApiService as ServiceData>::Settings,
     pub cryptarchia: <crate::Cryptarchia as ServiceData>::Settings,
 }
diff --git a/nodes/nomos-node/src/lib.rs b/nodes/nomos-node/src/lib.rs
index 5cbf4842..b227e419 100644
--- a/nodes/nomos-node/src/lib.rs
+++ b/nodes/nomos-node/src/lib.rs
@@ -1,19 +1,23 @@
+pub mod api;
+mod config;
+mod tx;
+
+// std
+// crates
+use api::AxumBackend;
 use bytes::Bytes;
 use color_eyre::eyre::Result;
-use kzgrs_backend::dispersal::BlobInfo;
-use overwatch_derive::*;
-use overwatch_rs::services::handle::ServiceHandle;
-use serde::{de::DeserializeOwned, Serialize};
-
-use api::AxumBackend;
 pub use config::{Config, CryptarchiaArgs, HttpArgs, LogArgs, MetricsArgs, NetworkArgs};
 use kzgrs_backend::common::blob::DaBlob;
+use kzgrs_backend::dispersal::BlobInfo;
 use nomos_api::ApiService;
 use nomos_core::da::blob::info::DispersedBlobInfo;
 pub use nomos_core::{
     da::blob::select::FillSize as FillSizeWithBlobs, tx::select::FillSize as FillSizeWithTx,
 };
 use nomos_core::{header::HeaderId, tx::Transaction, wire};
+use nomos_da_network_service::backends::libp2p::validator::DaNetworkValidatorBackend;
+use nomos_da_network_service::NetworkService as DaNetworkService;
 use nomos_da_verifier::backend::kzgrs::KzgrsDaVerifier;
 #[cfg(feature = "tracing")]
 use nomos_log::Logger;
@@ -29,12 +33,13 @@ use nomos_storage::{
     StorageService,
 };
 use nomos_system_sig::SystemSig;
+use overwatch_derive::*;
+use overwatch_rs::services::handle::ServiceHandle;
+use serde::{de::DeserializeOwned, Serialize};
+use subnetworks_assignations::versions::v1::FillFromNodeList;
+// internal
 pub use tx::Tx;
 
-pub mod api;
-mod config;
-mod tx;
-
 pub type NomosApiService =
     ApiService<AxumBackend<(), DaBlob, BlobInfo, BlobInfo, KzgrsDaVerifier, Tx, Wire, MB16>>;
 
@@ -68,6 +73,7 @@ pub struct Nomos {
     #[cfg(feature = "tracing")]
     logging: ServiceHandle<Logger>,
     network: ServiceHandle<NetworkService<NetworkBackend>>,
+    da_network: ServiceHandle<DaNetworkService<DaNetworkValidatorBackend<FillFromNodeList>>>,
     cl_mempool: ServiceHandle<TxMempool>,
     da_mempool: ServiceHandle<DaMempool>,
     cryptarchia: ServiceHandle<Cryptarchia>,
diff --git a/nodes/nomos-node/src/main.rs b/nodes/nomos-node/src/main.rs
index 61e5d677..19ec2f71 100644
--- a/nodes/nomos-node/src/main.rs
+++ b/nodes/nomos-node/src/main.rs
@@ -90,6 +90,7 @@ fn main() -> Result<()> {
                 },
                 registry: registry.clone(),
             },
+            da_network: config.da_network,
             cryptarchia: config.cryptarchia,
             #[cfg(feature = "metrics")]
             metrics: MetricsSettings { registry },
diff --git a/nomos-cli/src/da/network/backend.rs b/nomos-cli/src/da/network/backend.rs
index a33d2c4d..ff237036 100644
--- a/nomos-cli/src/da/network/backend.rs
+++ b/nomos-cli/src/da/network/backend.rs
@@ -10,7 +10,7 @@ use libp2p::{Multiaddr, PeerId};
 use log::error;
 use nomos_da_network_core::SubnetworkId;
 use nomos_da_network_service::backends::NetworkBackend;
-use nomos_libp2p::{secp256k1, secret_key_serde};
+use nomos_libp2p::{ed25519, secret_key_serde};
 use overwatch_rs::overwatch::handle::OverwatchHandle;
 use overwatch_rs::services::state::NoState;
 use serde::{Deserialize, Serialize};
@@ -54,8 +54,8 @@ pub struct ExecutorBackend<Membership> {
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct ExecutorBackendSettings<Membership> {
     // Identification Secp256k1 private key in Hex format (`0x123...abc`). Default random.
-    #[serde(with = "secret_key_serde", default = "secp256k1::SecretKey::generate")]
-    pub node_key: secp256k1::SecretKey,
+    #[serde(with = "secret_key_serde", default = "ed25519::SecretKey::generate")]
+    pub node_key: ed25519::SecretKey,
     /// Membership of DA network PoV set
     membership: Membership,
     node_addrs: HashMap<PeerId, Multiaddr>,
@@ -94,7 +94,7 @@ where
         let (dispersal_events_sender, dispersal_events_receiver) = unbounded_channel();
 
         let keypair =
-            libp2p::identity::Keypair::from(secp256k1::Keypair::from(config.node_key.clone()));
+            libp2p::identity::Keypair::from(ed25519::Keypair::from(config.node_key.clone()));
         let mut executor_swarm =
             ExecutorSwarm::new(keypair, config.membership, dispersal_events_sender);
         let dispersal_request_sender = executor_swarm.blobs_sender();
diff --git a/nomos-da/network/subnetworks-assignations/src/versions/v1.rs b/nomos-da/network/subnetworks-assignations/src/versions/v1.rs
index b7e196e1..0530eff8 100644
--- a/nomos-da/network/subnetworks-assignations/src/versions/v1.rs
+++ b/nomos-da/network/subnetworks-assignations/src/versions/v1.rs
@@ -4,7 +4,7 @@ use serde::{Deserialize, Serialize};
 use std::collections::HashSet;
 
 /// Fill a `N` sized set of "subnetworks" from a list of peer ids members
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Default, Debug, Clone, Serialize, Deserialize)]
 pub struct FillFromNodeList {
     pub assignations: Vec<HashSet<PeerId>>,
     pub subnetwork_size: usize,
diff --git a/nomos-libp2p/src/config.rs b/nomos-libp2p/src/config.rs
index ad07a1bb..ccb360ad 100644
--- a/nomos-libp2p/src/config.rs
+++ b/nomos-libp2p/src/config.rs
@@ -1,6 +1,6 @@
 use std::time::Duration;
 
-use libp2p::{gossipsub, identity::secp256k1};
+use libp2p::{gossipsub, identity::ed25519};
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
@@ -10,8 +10,8 @@ pub struct SwarmConfig {
     // TCP listening port. Use 0 for random
     pub port: u16,
     // Secp256k1 private key in Hex format (`0x123...abc`). Default random
-    #[serde(with = "secret_key_serde", default = "secp256k1::SecretKey::generate")]
-    pub node_key: secp256k1::SecretKey,
+    #[serde(with = "secret_key_serde", default = "ed25519::SecretKey::generate")]
+    pub node_key: ed25519::SecretKey,
     // Gossipsub config
     #[serde(with = "GossipsubConfigDef", default = "gossipsub::Config::default")]
     pub gossipsub_config: gossipsub::Config,
@@ -22,7 +22,7 @@ impl Default for SwarmConfig {
         Self {
             host: std::net::Ipv4Addr::new(0, 0, 0, 0),
             port: 60000,
-            node_key: secp256k1::SecretKey::generate(),
+            node_key: ed25519::SecretKey::generate(),
             gossipsub_config: gossipsub::Config::default(),
         }
     }
@@ -143,25 +143,25 @@ impl From<GossipsubConfigDef> for gossipsub::Config {
 }
 
 pub mod secret_key_serde {
-    use libp2p::identity::secp256k1;
+    use libp2p::identity::ed25519;
     use serde::de::Error;
     use serde::{Deserialize, Deserializer, Serialize, Serializer};
 
-    pub fn serialize<S>(key: &secp256k1::SecretKey, serializer: S) -> Result<S::Ok, S::Error>
+    pub fn serialize<S>(key: &ed25519::SecretKey, serializer: S) -> Result<S::Ok, S::Error>
     where
         S: Serializer,
     {
-        let hex_str = hex::encode(key.to_bytes());
+        let hex_str = hex::encode(key.as_ref());
         hex_str.serialize(serializer)
     }
 
-    pub fn deserialize<'de, D>(deserializer: D) -> Result<secp256k1::SecretKey, D::Error>
+    pub fn deserialize<'de, D>(deserializer: D) -> Result<ed25519::SecretKey, D::Error>
     where
         D: Deserializer<'de>,
     {
         let hex_str = String::deserialize(deserializer)?;
         let mut key_bytes = hex::decode(hex_str).map_err(|e| D::Error::custom(format!("{e}")))?;
-        secp256k1::SecretKey::try_from_bytes(key_bytes.as_mut_slice())
+        ed25519::SecretKey::try_from_bytes(key_bytes.as_mut_slice())
             .map_err(|e| D::Error::custom(format!("{e}")))
     }
 }
@@ -180,6 +180,6 @@ mod tests {
         let deserialized: SwarmConfig = serde_json::from_str(serialized.as_str()).unwrap();
         assert_eq!(deserialized.host, config.host);
         assert_eq!(deserialized.port, config.port);
-        assert_eq!(deserialized.node_key.to_bytes(), config.node_key.to_bytes());
+        assert_eq!(deserialized.node_key.as_ref(), config.node_key.as_ref());
     }
 }
diff --git a/nomos-libp2p/src/lib.rs b/nomos-libp2p/src/lib.rs
index dc0ab30e..686671cc 100644
--- a/nomos-libp2p/src/lib.rs
+++ b/nomos-libp2p/src/lib.rs
@@ -16,7 +16,7 @@ use libp2p::swarm::ConnectionId;
 pub use libp2p::{
     core::upgrade,
     gossipsub::{self, PublishError, SubscriptionError},
-    identity::{self, secp256k1},
+    identity::{self, ed25519},
     swarm::{dial_opts::DialOpts, DialError, NetworkBehaviour, SwarmEvent},
     PeerId, SwarmBuilder, Transport,
 };
@@ -67,7 +67,7 @@ impl Swarm {
     // TODO: define error types
     pub fn build(config: &SwarmConfig) -> Result<Self, Box<dyn Error>> {
         let keypair =
-            libp2p::identity::Keypair::from(secp256k1::Keypair::from(config.node_key.clone()));
+            libp2p::identity::Keypair::from(ed25519::Keypair::from(config.node_key.clone()));
         let peer_id = PeerId::from(keypair.public());
         tracing::info!("libp2p peer_id:{}", peer_id);
 
diff --git a/nomos-services/data-availability/network/Cargo.toml b/nomos-services/data-availability/network/Cargo.toml
index 913462ff..2e84acfd 100644
--- a/nomos-services/data-availability/network/Cargo.toml
+++ b/nomos-services/data-availability/network/Cargo.toml
@@ -9,6 +9,7 @@ futures = "0.3"
 kzgrs-backend = { path = "../../../nomos-da/kzgrs-backend" }
 overwatch-rs = { git = "https://github.com/logos-co/Overwatch", rev = "2f70806" }
 nomos-core = { path = "../../../nomos-core" }
+nomos-libp2p = { path = "../../../nomos-libp2p" }
 nomos-da-network-core = { path = "../../../nomos-da/network/core" }
 subnetworks-assignations = { path = "../../../nomos-da/network/subnetworks-assignations" }
 libp2p = { version = "0.54", features = ["ed25519"] }
diff --git a/nomos-services/data-availability/network/src/backends/libp2p/validator.rs b/nomos-services/data-availability/network/src/backends/libp2p/validator.rs
index ffc222cb..33d0c8ec 100644
--- a/nomos-services/data-availability/network/src/backends/libp2p/validator.rs
+++ b/nomos-services/data-availability/network/src/backends/libp2p/validator.rs
@@ -1,17 +1,18 @@
 use crate::backends::NetworkBackend;
 use futures::{Stream, StreamExt};
 use kzgrs_backend::common::blob::DaBlob;
-use libp2p::identity::Keypair;
+use libp2p::identity::ed25519;
 use libp2p::{Multiaddr, PeerId};
 use log::error;
 use nomos_core::da::BlobId;
-use nomos_da_network_core::address_book::AddressBook;
 use nomos_da_network_core::protocols::sampling;
 use nomos_da_network_core::protocols::sampling::behaviour::SamplingError;
 use nomos_da_network_core::swarm::validator::{ValidatorEventsStream, ValidatorSwarm};
 use nomos_da_network_core::SubnetworkId;
+use nomos_libp2p::secret_key_serde;
 use overwatch_rs::overwatch::handle::OverwatchHandle;
 use overwatch_rs::services::state::NoState;
+use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
 use std::marker::PhantomData;
 use std::pin::Pin;
@@ -76,14 +77,15 @@ pub struct DaNetworkValidatorBackend<Membership> {
     _membership: PhantomData<Membership>,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct DaNetworkValidatorBackendSettings<Membership> {
-    /// Identification key
-    key: Keypair,
+    // Identification Secp256k1 private key in Hex format (`0x123...abc`). Default random.
+    #[serde(with = "secret_key_serde", default = "ed25519::SecretKey::generate")]
+    pub node_key: ed25519::SecretKey,
     /// Membership of DA network PoV set
-    membership: Membership,
-    addresses: AddressBook,
-    listening_address: Multiaddr,
+    pub membership: Membership,
+    pub addresses: Vec<(PeerId, Multiaddr)>,
+    pub listening_address: Multiaddr,
 }
 
 impl<Membership> DaNetworkValidatorBackend<Membership> {
@@ -116,8 +118,13 @@ where
     type NetworkEvent = DaNetworkEvent;
 
     fn new(config: Self::Settings, overwatch_handle: OverwatchHandle) -> Self {
-        let (mut validator_swarm, events_streams) =
-            ValidatorSwarm::new(config.key, config.membership, config.addresses);
+        let keypair =
+            libp2p::identity::Keypair::from(ed25519::Keypair::from(config.node_key.clone()));
+        let (mut validator_swarm, events_streams) = ValidatorSwarm::new(
+            keypair,
+            config.membership,
+            config.addresses.into_iter().collect(),
+        );
         let sampling_request_channel = validator_swarm
             .protocol_swarm()
             .behaviour()
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 4968d630..d91a0324 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -16,6 +16,8 @@ nomos-core = { path = "../nomos-core" }
 cryptarchia-engine = { path = "../consensus/cryptarchia-engine", features = ["serde"] }
 cryptarchia-ledger = { path = "../ledger/cryptarchia-ledger", features = ["serde"] }
 nomos-mempool = { path = "../nomos-services/mempool", features = ["mock", "libp2p"] }
+nomos-da-network-service = { path = "../nomos-services/data-availability/network" }
+subnetworks-assignations = { path = "../nomos-da/network/subnetworks-assignations" }
 full-replication = { path = "../nomos-da/full-replication" }
 kzgrs-backend = { path = "../nomos-da/kzgrs-backend" }
 rand = "0.8"
diff --git a/tests/src/nodes/nomos.rs b/tests/src/nodes/nomos.rs
index ec999e44..7862ae52 100644
--- a/tests/src/nodes/nomos.rs
+++ b/tests/src/nodes/nomos.rs
@@ -1,6 +1,7 @@
 // std
 use std::net::SocketAddr;
 use std::process::{Child, Command, Stdio};
+use std::str::FromStr;
 use std::time::Duration;
 // internal
 use super::{create_tempdir, persist_tempdir, LOGS_PREFIX};
@@ -16,6 +17,9 @@ use mixnet::{
     topology::{MixNodeInfo, MixnetTopology},
 };
 use nomos_core::{block::Block, header::HeaderId};
+use nomos_da_network_service::backends::libp2p::validator::DaNetworkValidatorBackendSettings;
+use nomos_da_network_service::NetworkConfig as DaNetworkConfig;
+use nomos_libp2p::{Multiaddr, SwarmConfig};
 use nomos_log::{LoggerBackend, LoggerFormat};
 use nomos_mempool::MempoolMetrics;
 #[cfg(feature = "mixnet")]
@@ -350,10 +354,11 @@ fn create_node_config(
     time: TimeConfig,
     #[cfg(feature = "mixnet")] mixnet_config: MixnetConfig,
 ) -> Config {
+    let swarm_config: SwarmConfig = Default::default();
     let mut config = Config {
         network: NetworkConfig {
             backend: Libp2pConfig {
-                inner: Default::default(),
+                inner: swarm_config.clone(),
                 initial_peers: vec![],
                 #[cfg(feature = "mixnet")]
                 mixnet: mixnet_config,
@@ -367,6 +372,14 @@ fn create_node_config(
             transaction_selector_settings: (),
             blob_selector_settings: (),
         },
+        da_network: DaNetworkConfig {
+            backend: DaNetworkValidatorBackendSettings {
+                node_key: swarm_config.node_key,
+                listening_address: Multiaddr::from_str("/ip4/127.0.0.1/udp/0/quic-v1").unwrap(),
+                addresses: Default::default(),
+                membership: Default::default(),
+            },
+        },
         log: Default::default(),
         http: nomos_api::ApiServiceSettings {
             backend_settings: AxumBackendSettings {