diff --git a/Cargo.lock b/Cargo.lock
index 8262a058813..d8afc3f4f04 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1132,7 +1132,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
 dependencies = [
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1550,7 +1550,7 @@ dependencies = [
 [[package]]
 name = "dash-network"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "bincode",
  "bincode_derive",
@@ -1561,7 +1561,7 @@ dependencies = [
 [[package]]
 name = "dash-network-seeds"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "dash-network",
 ]
@@ -1638,7 +1638,7 @@ dependencies = [
 [[package]]
 name = "dash-spv"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "async-trait",
  "chrono",
@@ -1666,7 +1666,7 @@ dependencies = [
 [[package]]
 name = "dash-spv-ffi"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "cbindgen 0.29.2",
  "clap",
@@ -1685,7 +1685,7 @@ dependencies = [
 [[package]]
 name = "dashcore"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "anyhow",
  "base64-compat",
@@ -1711,12 +1711,12 @@ dependencies = [
 [[package]]
 name = "dashcore-private"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 
 [[package]]
 name = "dashcore-rpc"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "dashcore-rpc-json",
  "hex",
@@ -1729,7 +1729,7 @@ dependencies = [
 [[package]]
 name = "dashcore-rpc-json"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "bincode",
  "dashcore",
@@ -1744,7 +1744,7 @@ dependencies = [
 [[package]]
 name = "dashcore_hashes"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "bincode",
  "dashcore-private",
@@ -2279,7 +2279,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3562,7 +3562,7 @@ checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
 dependencies = [
  "hermit-abi",
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3793,7 +3793,7 @@ dependencies = [
 [[package]]
 name = "key-wallet"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "aes",
  "async-trait",
@@ -3821,7 +3821,7 @@ dependencies = [
 [[package]]
 name = "key-wallet-ffi"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "cbindgen 0.29.2",
  "dash-network",
@@ -3837,13 +3837,14 @@ dependencies = [
 [[package]]
 name = "key-wallet-manager"
 version = "0.42.0"
-source = "git+https://github.com/dashpay/rust-dashcore?rev=53130869e5b9343ae59016323e5e5269e717a8fd#53130869e5b9343ae59016323e5e5269e717a8fd"
+source = "git+https://github.com/dashpay/rust-dashcore?branch=feat%2Fkey-wallet-serde-derives#56a84402c8cb006d65b12e400785a62d67441930"
 dependencies = [
  "async-trait",
  "bincode",
  "dashcore",
  "key-wallet",
  "rayon",
+ "serde",
  "tokio",
  "tracing",
  "zeroize",
@@ -4313,7 +4314,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -4848,6 +4849,7 @@ dependencies = [
  "key-wallet-manager",
  "platform-encryption",
  "rand 0.8.6",
+ "serde",
  "serde_json",
  "sha2",
  "static_assertions",
@@ -5319,7 +5321,7 @@ dependencies = [
  "once_cell",
  "socket2 0.5.10",
  "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -6042,7 +6044,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys 0.4.15",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -6055,7 +6057,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys 0.12.1",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -6114,7 +6116,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -6954,7 +6956,7 @@ dependencies = [
  "getrandom 0.4.2",
  "once_cell",
  "rustix 1.1.4",
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -8356,7 +8358,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.52.0",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 078306a8b88..4efc3d93d47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -49,15 +49,20 @@ members = [
 ]
 
 [workspace.dependencies]
-dashcore = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-dash-network-seeds = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-dash-spv = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-dash-spv-ffi = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-key-wallet = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-key-wallet-ffi = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-key-wallet-manager = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-dash-network = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
-dashcore-rpc = { git = "https://github.com/dashpay/rust-dashcore", rev = "53130869e5b9343ae59016323e5e5269e717a8fd" }
+# Temporary: branch-pinned to dashpay/rust-dashcore#761 (`feat/key-wallet-serde-derives`)
+# for serde derives on AssetLockFundingType + DerivedAddress. The branch has been
+# rebased onto 53130869 so it carries ONLY the serde additions (no v0.42-dev drift).
+# Drop the branch= override and restore rev= once #761 merges to v0.42-dev and a
+# subsequent dashcore rev bump flows the new rev in.
+dashcore = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+dash-network-seeds = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+dash-spv = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+dash-spv-ffi = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+key-wallet = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+key-wallet-ffi = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+key-wallet-manager = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+dash-network = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
+dashcore-rpc = { git = "https://github.com/dashpay/rust-dashcore", branch = "feat/key-wallet-serde-derives" }
 
 # Optimize heavy crypto crates even in dev/test builds so that
 # Halo 2 proof generation and verification run at near-release speed.
diff --git a/packages/rs-platform-wallet/Cargo.toml b/packages/rs-platform-wallet/Cargo.toml
index c766d7759ef..402a476840b 100644
--- a/packages/rs-platform-wallet/Cargo.toml
+++ b/packages/rs-platform-wallet/Cargo.toml
@@ -38,6 +38,7 @@ tracing = "0.1"
 # Encoding
 hex = "0.4"
 bs58 = "0.5"
+serde = { version = "1", default-features = false, features = ["derive"], optional = true }
 serde_json = "1.0"
 
 # Image processing (DIP-15 avatar hash + fingerprint)
@@ -65,6 +66,15 @@ default = ["bls", "eddsa"]
 bls = ["key-wallet/bls", "key-wallet-manager/bls"]
 eddsa = ["key-wallet/eddsa", "key-wallet-manager/eddsa"]
 shielded = ["dep:grovedb-commitment-tree", "dep:zip32", "dash-sdk/shielded", "dpp/shielded-client"]
+# Opt-in serde derives on the changeset types. Activates `key-wallet/serde`,
+# `key-wallet-manager/serde` (both via dashpay/rust-dashcore#761, branch-pinned in
+# workspace Cargo.toml), and `dash-sdk/serde`. `dpp` derives serde unconditionally.
+serde = [
+    "dep:serde",
+    "key-wallet/serde",
+    "key-wallet-manager/serde",
+    "dash-sdk/serde",
+]
 # Forward to the upstream `key-wallet` / `key-wallet-manager`
 # `keep-finalized-transactions` feature. With it OFF (the default),
 # chainlocked transactions are evicted from the in-memory
diff --git a/packages/rs-platform-wallet/src/changeset/changeset.rs b/packages/rs-platform-wallet/src/changeset/changeset.rs
index 40af538a08f..88ce9ec0ceb 100644
--- a/packages/rs-platform-wallet/src/changeset/changeset.rs
+++ b/packages/rs-platform-wallet/src/changeset/changeset.rs
@@ -78,6 +78,7 @@ use crate::wallet::identity::{ContactRequest, DashPayProfile, EstablishedContact
 /// upstream type. Tests that need to inspect a changeset's contents
 /// reach into individual fields directly.
 #[derive(Debug, Clone, Default)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct CoreChangeSet {
     /// Transaction records produced by this batch.
     ///
@@ -228,6 +229,7 @@ impl Merge for CoreChangeSet {
 /// call [`IdentityEntry::from_managed`] to produce a fresh scalar
 /// snapshot so the merge can resolve the latest state by last-write-wins.
 #[derive(Debug, Clone, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct IdentityEntry {
     /// Identity identifier.
     pub id: Identifier,
@@ -302,6 +304,7 @@ impl IdentityEntry {
 /// path — platform-wallet itself never carries or persists the key
 /// bytes.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct IdentityKeyDerivationIndices {
     /// DIP-9 identity index (hardened).
     pub identity_index: u32,
@@ -322,6 +325,7 @@ pub struct IdentityKeyDerivationIndices {
 /// persist it. When either is `None` the key is watch-only from
 /// this wallet's point of view.
 #[derive(Debug, Clone, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct IdentityKeyEntry {
     /// Owning identity.
     pub identity_id: Identifier,
@@ -350,6 +354,7 @@ pub struct IdentityKeyEntry {
 /// `{upsert, remove}` per key per mutation — the merge does not resolve
 /// insert-vs-tombstone for the same key.
 #[derive(Debug, Clone, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct IdentityKeysChangeSet {
     /// Inserted or updated identity keys keyed by (identity_id, key_id).
     pub upserts: BTreeMap<(Identifier, KeyID), IdentityKeyEntry>,
@@ -386,6 +391,7 @@ impl Merge for IdentityKeysChangeSet {
 /// [`ContactChangeSet`]; same mitigation: every current emitter
 /// produces only one of {insert, tombstone} per key per mutation.
 #[derive(Debug, Clone, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct IdentityChangeSet {
     /// Inserted or updated identities keyed by identifier.
     pub identities: BTreeMap<Identifier, IdentityEntry>,
@@ -471,6 +477,7 @@ impl Merge for IdentityChangeSet {
 ///
 /// Modelled after [`crate::wallet::identity::ContactRequest`].
 #[derive(Debug, Clone, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct ContactRequestEntry {
     /// The contact request.
     pub request: ContactRequest,
@@ -479,6 +486,7 @@ pub struct ContactRequestEntry {
 /// Key for sent contact requests: the **owner** sent a request TO the
 /// **recipient**. Used for `sent_requests` and `removed_sent`.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct SentContactRequestKey {
     /// The identity owned by this wallet (the sender).
     pub owner_id: Identifier,
@@ -490,6 +498,7 @@ pub struct SentContactRequestKey {
 /// FROM the **sender**. Used for `incoming_requests` and
 /// `removed_incoming`.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct ReceivedContactRequestKey {
     /// The identity owned by this wallet (the recipient).
     pub owner_id: Identifier,
@@ -538,6 +547,7 @@ pub struct ReceivedContactRequestKey {
 /// semantics, the merge impl should resolve `sent_requests ∩
 /// removed_sent` by last-seen rather than carrying both.
 #[derive(Debug, Clone, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct ContactChangeSet {
     /// Sent contact requests keyed by (owner → recipient).
     pub sent_requests: BTreeMap<SentContactRequestKey, ContactRequestEntry>,
@@ -600,6 +610,7 @@ impl Merge for ContactChangeSet {
 /// persisters can apply the entry without guessing which account or
 /// HD slot it belongs to.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct PlatformAddressBalanceEntry {
     pub wallet_id: WalletId,
     pub account_index: u32,
@@ -609,6 +620,7 @@ pub struct PlatformAddressBalanceEntry {
 }
 
 #[derive(Debug, Clone, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct PlatformAddressChangeSet {
     /// Updated platform addresses produced by the last sync pass.
     /// A `Vec` rather than a map because the diff already deduplicates
@@ -665,6 +677,7 @@ impl Merge for PlatformAddressChangeSet {
 
 /// Changes to the asset lock store.
 #[derive(Debug, Clone, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct AssetLockChangeSet {
     /// Asset lock entries keyed by outpoint (txid + output index).
     ///
@@ -681,6 +694,7 @@ pub struct AssetLockChangeSet {
 /// Contains all fields needed to fully reconstruct a
 /// [`TrackedAssetLock`](crate::wallet::asset_lock::tracked::TrackedAssetLock).
 #[derive(Debug, Clone, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct AssetLockEntry {
     /// The outpoint identifying this credit output (txid + vout).
     pub out_point: OutPoint,
@@ -723,6 +737,7 @@ impl Merge for AssetLockChangeSet {
 /// purely in the manager's in-memory cache. Persistence carries only
 /// the post-sync balance updates and tombstones.
 #[derive(Debug, Clone, Default, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct TokenBalanceChangeSet {
     /// Updated token balances keyed by `(identity_id, token_id)`.
     /// Last write wins on merge.
@@ -763,6 +778,7 @@ impl Merge for TokenBalanceChangeSet {
 /// time; the parent `Option<...>` field stays `None` for every other
 /// flush.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct WalletMetadataEntry {
     /// Network the wallet is bound to.
     pub network: Network,
@@ -787,6 +803,7 @@ pub struct WalletMetadataEntry {
 /// is simple `extend` and dedup is the apply-side caller's
 /// responsibility if it ever matters.
 #[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct AccountRegistrationEntry {
     /// The account variant being registered.
     pub account_type: AccountType,
@@ -820,6 +837,7 @@ pub struct AccountRegistrationEntry {
 /// the upstream type. Tests that need to inspect snapshot contents
 /// reach into the `addresses` vec by index instead.
 #[derive(Debug, Clone)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct AccountAddressPoolEntry {
     /// Which account this pool belongs to.
     pub account_type: AccountType,
@@ -847,6 +865,7 @@ pub struct AccountAddressPoolEntry {
 /// Not `PartialEq` because [`CoreChangeSet`] isn't (its `records` carry
 /// `TransactionRecord`, which is `Debug + Clone` only upstream).
 #[derive(Debug, Clone, Default)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct PlatformWalletChangeSet {
     /// Core-wallet deltas projected from upstream `WalletEvent`s:
     /// transaction records, UTXO add/remove, height checkpoints, IS-lock
diff --git a/packages/rs-platform-wallet/src/wallet/asset_lock/tracked.rs b/packages/rs-platform-wallet/src/wallet/asset_lock/tracked.rs
index 7939e67d03c..6a06632d119 100644
--- a/packages/rs-platform-wallet/src/wallet/asset_lock/tracked.rs
+++ b/packages/rs-platform-wallet/src/wallet/asset_lock/tracked.rs
@@ -14,6 +14,7 @@ use crate::changeset::AssetLockEntry;
 
 /// Asset lock status on Core chain. Tracked until consumed, then removed.
 #[derive(Debug, Clone, PartialEq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum AssetLockStatus {
     Built,
     Broadcast,
diff --git a/packages/rs-platform-wallet/src/wallet/identity/types/block_time.rs b/packages/rs-platform-wallet/src/wallet/identity/types/block_time.rs
index 7c6e28d039b..b4291e5b57a 100644
--- a/packages/rs-platform-wallet/src/wallet/identity/types/block_time.rs
+++ b/packages/rs-platform-wallet/src/wallet/identity/types/block_time.rs
@@ -7,6 +7,7 @@ use dpp::prelude::{BlockHeight, CoreBlockHeight, TimestampMillis};
 
 /// Block time information containing height, core height, and timestamp
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct BlockTime {
     /// Platform block height
     pub height: BlockHeight,
diff --git a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/contact_request.rs b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/contact_request.rs
index 73a2c45337f..d0b1540a3ce 100644
--- a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/contact_request.rs
+++ b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/contact_request.rs
@@ -8,6 +8,7 @@ use dpp::prelude::{CoreBlockHeight, Identifier};
 
 /// A contact request represents a one-way relationship between two identities
 #[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct ContactRequest {
     /// The unique id of the sender (owner of the contact request)
     pub sender_id: Identifier,
diff --git a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/established_contact.rs b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/established_contact.rs
index b1be89ef227..49cfe288d5b 100644
--- a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/established_contact.rs
+++ b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/established_contact.rs
@@ -10,6 +10,7 @@ use dpp::prelude::Identifier;
 ///
 /// This is formed when both identities have sent contact requests to each other.
 #[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct EstablishedContact {
     /// The contact's identity unique identifier
     pub contact_identity_id: Identifier,
diff --git a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/payment.rs b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/payment.rs
index fd1044c0c20..976b64acad3 100644
--- a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/payment.rs
+++ b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/payment.rs
@@ -19,6 +19,7 @@ use dpp::prelude::Identifier;
 
 /// Direction of a DashPay payment, from the owner's point of view.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum PaymentDirection {
     /// The owner sent this payment to the counterparty.
     Sent,
@@ -28,6 +29,7 @@ pub enum PaymentDirection {
 
 /// Status of a DashPay payment on Core chain.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum PaymentStatus {
     /// Broadcast but not yet confirmed.
     #[default]
@@ -63,6 +65,7 @@ pub struct DashpayAddressMatch {
 /// Keyed by transaction id (hex string, matching evo-tool's
 /// `dashpay_payments.tx_id` column which is `TEXT UNIQUE NOT NULL`).
 #[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct PaymentEntry {
     /// The other identity in this payment. Whether they're the
     /// sender or receiver is encoded in `direction`.
diff --git a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/profile.rs b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/profile.rs
index 4082f42035f..06d6d415529 100644
--- a/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/profile.rs
+++ b/packages/rs-platform-wallet/src/wallet/identity/types/dashpay/profile.rs
@@ -21,6 +21,7 @@ use sha2::{Digest, Sha256};
 /// User-facing DashPay profile data published via the DashPay data
 /// contract. This is the **output/stored** model — no raw image bytes.
 #[derive(Debug, Clone, Default, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct DashPayProfile {
     /// Display name (publicly visible, max 25 chars per DIP-15).
     pub display_name: Option<String>,
diff --git a/packages/rs-platform-wallet/src/wallet/identity/types/key_storage.rs b/packages/rs-platform-wallet/src/wallet/identity/types/key_storage.rs
index 4813dca6de5..8dee1a702b9 100644
--- a/packages/rs-platform-wallet/src/wallet/identity/types/key_storage.rs
+++ b/packages/rs-platform-wallet/src/wallet/identity/types/key_storage.rs
@@ -27,6 +27,7 @@ pub enum PrivateKeyData {
 
 /// Identity lifecycle status on Platform.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub enum IdentityStatus {
     #[default]
     Unknown,
@@ -38,6 +39,7 @@ pub enum IdentityStatus {
 
 /// DPNS username associated with an identity.
 #[derive(Debug, Clone, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct DpnsNameInfo {
     pub label: String,
     pub acquired_at: Option<u64>,
diff --git a/packages/rs-platform-wallet/src/wallet/platform_addresses/wallet.rs b/packages/rs-platform-wallet/src/wallet/platform_addresses/wallet.rs
index f7d83a2fff3..aec6d5b4f9d 100644
--- a/packages/rs-platform-wallet/src/wallet/platform_addresses/wallet.rs
+++ b/packages/rs-platform-wallet/src/wallet/platform_addresses/wallet.rs
@@ -117,11 +117,7 @@ impl PlatformAddressWallet {
                         .platform_payment_managed_account_at_index_mut(*account_index)
                     {
                         for (p2pkh, funds) in account_state.found() {
-                            account.set_address_credit_balance(
-                                *p2pkh,
-                                funds.balance,
-                                None,
-                            );
+                            account.set_address_credit_balance(*p2pkh, funds.balance, None);
                         }
                     }
                 }
diff --git a/packages/rs-sdk/src/platform/address_sync/types.rs b/packages/rs-sdk/src/platform/address_sync/types.rs
index 15ce6d82eb7..74daea4609a 100644
--- a/packages/rs-sdk/src/platform/address_sync/types.rs
+++ b/packages/rs-sdk/src/platform/address_sync/types.rs
@@ -49,6 +49,7 @@ pub type LeafBoundaryKey = Vec<u8>;
 
 /// Funds stored for a platform address.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct AddressFunds {
     /// Address nonce used for anti-replay.
     pub nonce: AddressNonce,