diff --git a/files/grest/rpc/account/account_addresses.sql b/files/grest/rpc/account/account_addresses.sql
index 51f9a7b6..5cf301e4 100644
--- a/files/grest/rpc/account/account_addresses.sql
+++ b/files/grest/rpc/account/account_addresses.sql
@@ -27,13 +27,10 @@ BEGIN
               txo.address,
               txo.stake_address_id,
               txo.id
-            FROM
-              tx_out AS txo
-              LEFT JOIN tx_in ON txo.tx_id = tx_in.tx_out_id
-              AND txo.index::smallint = tx_in.tx_out_index::smallint
+            FROM tx_out AS txo
             WHERE
               txo.stake_address_id = ANY(sa_id_list)
-              AND tx_in.tx_out_id IS NULL
+              AND tx_out.consumed_by_tx_in_id IS NULL
           ) AS x
       )
 
@@ -57,8 +54,7 @@ BEGIN
               txo.address,
               txo.stake_address_id,
               txo.id
-            FROM
-              tx_out AS txo
+            FROM tx_out AS txo
             WHERE
               txo.stake_address_id = ANY(sa_id_list)
             LIMIT (CASE WHEN _first_only IS TRUE THEN 1 ELSE NULL END)
diff --git a/files/grest/rpc/account/account_assets.sql b/files/grest/rpc/account/account_assets.sql
index 06397515..2c8fd1ed 100644
--- a/files/grest/rpc/account/account_assets.sql
+++ b/files/grest/rpc/account/account_assets.sql
@@ -29,11 +29,9 @@ BEGIN
         INNER JOIN tx_out AS txo ON txo.id = mtx.tx_out_id
         INNER JOIN stake_address AS sa ON sa.id = txo.stake_address_id
         LEFT JOIN grest.asset_info_cache AS aic ON aic.asset_id = ma.id
-        LEFT JOIN tx_in ON txo.tx_id = tx_in.tx_out_id
-          AND txo.index::smallint = tx_in.tx_out_index::smallint
       WHERE
         sa.id = ANY(sa_id_list)
-        AND tx_in.tx_out_id IS NULL
+        AND tx_out.consumed_by_tx_in_id IS NULL
       GROUP BY
         sa.view, ma.policy, ma.name, ma.fingerprint, aic.decimals
     )
@@ -61,4 +59,4 @@ BEGIN
 END;
 $$;
 
-COMMENT ON FUNCTION grest.account_assets IS 'Get the native asset balance of given accounts'; -- noqa: LT01
+COMMENT ON FUNCTION grest.account_assets IS 'Get the native asset balance of given accounts'; -- noqa: LT01
\ No newline at end of file
diff --git a/files/grest/rpc/account/account_info.sql b/files/grest/rpc/account/account_info.sql
index e2149b5b..213e3aaa 100644
--- a/files/grest/rpc/account/account_info.sql
+++ b/files/grest/rpc/account/account_info.sql
@@ -109,15 +109,10 @@ BEGIN
         SELECT
           tx_out.stake_address_id,
           COALESCE(SUM(VALUE), 0) AS utxo
-        FROM
-          tx_out
-          LEFT JOIN tx_in ON tx_out.tx_id = tx_in.tx_out_id
-            AND tx_out.index::smallint = tx_in.tx_out_index::smallint
-        WHERE
-          tx_out.stake_address_id = ANY(sa_id_list)
-          AND tx_in.tx_out_id IS NULL
-        GROUP BY
-          tx_out.stake_address_id
+        FROM tx_out
+        WHERE tx_out.stake_address_id = ANY(sa_id_list)
+          AND tx_out.consumed_by_tx_in_id IS NULL
+        GROUP BY tx_out.stake_address_id
       ) AS utxo_t ON utxo_t.stake_address_id = status_t.id
     LEFT JOIN (
         SELECT
diff --git a/files/grest/rpc/account/account_txs.sql b/files/grest/rpc/account/account_txs.sql
new file mode 100644
index 00000000..bcf8c76b
--- /dev/null
+++ b/files/grest/rpc/account/account_txs.sql
@@ -0,0 +1,53 @@
+CREATE OR REPLACE FUNCTION grest.account_txs(_stake_address text, _after_block_height integer DEFAULT 0)
+RETURNS TABLE (
+  tx_hash text,
+  epoch_no word31type,
+  block_height word31type,
+  block_time integer
+)
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  _tx_id_min bigint;
+  _tx_id_list bigint[];
+BEGIN
+  SELECT INTO _tx_id_min id
+    FROM tx
+    WHERE block_id >= (SELECT id FROM block WHERE block_no >= _after_block_height ORDER BY id limit 1)
+    ORDER BY id limit 1;
+
+  -- all tx_out & tx_in tx ids
+  SELECT INTO _tx_id_list ARRAY_AGG(tx_id)
+  FROM (
+    SELECT tx_id
+    FROM tx_out
+    WHERE stake_address_id = ANY(SELECT id FROM stake_address WHERE view = _stake_address)
+      AND tx_id >= _tx_id_min
+    --
+    UNION
+    --
+    SELECT tx_in_id AS tx_id
+    FROM tx_out
+    LEFT JOIN tx_in ON tx_out.tx_id = tx_in.tx_out_id
+      AND tx_out.index = tx_in.tx_out_index
+    WHERE
+      tx_in.tx_in_id IS NOT NULL
+      AND tx_out.stake_address_id = ANY(SELECT id FROM stake_address WHERE view = _stake_address)
+      AND tx_in.tx_in_id >= _tx_id_min
+  ) AS tmp;
+
+  RETURN QUERY
+    SELECT
+      DISTINCT(ENCODE(tx.hash, 'hex')) AS tx_hash,
+      b.epoch_no,
+      b.block_no AS block_height,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time
+    FROM public.tx
+    INNER JOIN public.block AS b ON b.id = tx.block_id
+    WHERE tx.id = ANY(_tx_id_list)
+      AND block.block_no >= _after_block_height
+    ORDER BY block.block_no DESC;
+END;
+$$;
+
+COMMENT ON FUNCTION grest.account_txs IS 'Get transactions associated with a given stake address'; -- noqa: LT01
diff --git a/files/grest/rpc/account/account_utxos.sql b/files/grest/rpc/account/account_utxos.sql
index 2692104d..2737a375 100644
--- a/files/grest/rpc/account/account_utxos.sql
+++ b/files/grest/rpc/account/account_utxos.sql
@@ -1,34 +1,82 @@
-CREATE OR REPLACE FUNCTION grest.account_utxos(_stake_address text)
+CREATE OR REPLACE FUNCTION grest.account_utxos(_stake_addresses text [], _extended boolean DEFAULT false)
 RETURNS TABLE (
   tx_hash text,
   tx_index smallint,
-  address varchar,
+  address text,
   value text,
+  stake_address text,
+  payment_cred text,
+  epoch_no word31type,
   block_height word31type,
-  block_time integer
+  block_time integer,
+  datum_hash text,
+  inline_datum jsonb,
+  reference_script jsonb,
+  asset_list jsonb,
+  is_spent boolean
 )
 LANGUAGE plpgsql
 AS $$
+DECLARE
+  known_addresses varchar[];
 BEGIN
   RETURN QUERY
-  SELECT
-    ENCODE(tx.hash,'hex') AS tx_hash,
-    tx_out.index::smallint AS tx_index,
-    tx_out.address,
-    tx_out.value::text AS value,
-    b.block_no AS block_height,
-    EXTRACT(EPOCH FROM b.time)::integer AS block_time
-  FROM
-    tx_out
-    LEFT JOIN tx_in ON tx_in.tx_out_id = tx_out.tx_id
-      AND tx_in.tx_out_index = tx_out.index
-    INNER JOIN tx ON tx.id = tx_out.tx_id
+    SELECT
+      ENCODE(tx.hash, 'hex')::text AS tx_hash,
+      tx_out.index::smallint,
+      tx_out.address::text,
+      tx_out.value::text,
+      sa.view::text as stake_address,
+      ENCODE(tx_out.payment_cred, 'hex') AS payment_cred,
+      b.epoch_no,
+      b.block_no,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time,
+      ENCODE(tx_out.data_hash, 'hex') AS datum_hash,
+      (CASE
+        WHEN _extended = false OR tx_out.inline_datum_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'bytes', ENCODE(datum.bytes, 'hex'),
+            'value', datum.value
+          )
+      END) AS inline_datum,
+      (CASE
+        WHEN _extended = false OR tx_out.reference_script_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'hash', ENCODE(script.hash, 'hex'),
+            'bytes', ENCODE(script.bytes, 'hex'),
+            'value', script.json,
+            'type', script.type::text,
+            'size', script.serialised_size
+          )
+      END) AS reference_script,
+      (CASE
+        WHEN _extended = false OR ma.policy IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'policy_id', ENCODE(ma.policy, 'hex'),
+            'asset_name', ENCODE(ma.name, 'hex'),
+            'fingerprint', ma.fingerprint,
+            'decimals', aic.decimals,
+            'quantity', mto.quantity::text
+          )
+        END
+      ) AS asset_list,
+      (CASE
+        WHEN tx_out.consumed_by_tx_in_id IS NULL THEN false
+        ELSE true
+      END) AS is_spent
+    FROM tx_out
+    INNER JOIN tx ON tx_out.tx_id = tx.id
+    LEFT JOIN stake_address AS sa ON tx_out.stake_address_id = sa.id
     LEFT JOIN block AS b ON b.id = tx.block_id
-  WHERE
-    tx_in.tx_out_id IS NULL
-    AND
-    tx_out.stake_address_id = (SELECT id FROM stake_address WHERE view = _stake_address);
+    LEFT JOIN ma_tx_out AS mto ON mto.tx_out_id = tx_out.id
+    LEFT JOIN multi_asset AS ma ON ma.id = mto.ident
+    LEFT JOIN grest.asset_info_cache AS aic ON aic.asset_id = ma.id
+    LEFT JOIN datum ON datum.id = tx_out.inline_datum_id
+    LEFT JOIN script ON script.id = tx_out.reference_script_id
+    WHERE
+      tx_out.stake_address_id IN (SELECT sa.id FROM stake_address AS sa WHERE sa.view = ANY(_stake_addresses))
+  ;
 END;
 $$;
 
-COMMENT ON FUNCTION grest.account_utxos IS 'Get non-empty UTxOs associated with a given stake address'; -- noqa: LT01
+COMMENT ON FUNCTION grest.address_utxos IS  'Get UTxO details for requested addresses'; -- noqa: LT01
\ No newline at end of file
diff --git a/files/grest/rpc/address/address_assets.sql b/files/grest/rpc/address/address_assets.sql
index 274d0c62..8f25abf7 100644
--- a/files/grest/rpc/address/address_assets.sql
+++ b/files/grest/rpc/address/address_assets.sql
@@ -16,16 +16,12 @@ BEGIN
       ma.fingerprint,
       COALESCE(aic.decimals, 0) AS decimals,
       SUM(mtx.quantity) AS quantity
-    FROM
-      ma_tx_out AS mtx
-      INNER JOIN multi_asset AS ma ON ma.id = mtx.ident
-      LEFT JOIN grest.asset_info_cache AS aic ON aic.asset_id = ma.id
-      INNER JOIN tx_out AS txo ON txo.id = mtx.tx_out_id
-      LEFT JOIN tx_in ON txo.tx_id = tx_in.tx_out_id
-        AND txo.index::smallint = tx_in.tx_out_index::smallint
-    WHERE
-      txo.address = ANY(_addresses)
-      AND tx_in.tx_out_id IS NULL
+    FROM ma_tx_out AS mtx
+    INNER JOIN multi_asset AS ma ON ma.id = mtx.ident
+    LEFT JOIN grest.asset_info_cache AS aic ON aic.asset_id = ma.id
+    INNER JOIN tx_out AS txo ON txo.id = mtx.tx_out_id
+    WHERE txo.address = ANY(_addresses)
+      AND tx_out.consumed_by_tx_in_id IS NULL
     GROUP BY
       txo.address, ma.policy, ma.name, ma.fingerprint, aic.decimals
   )
diff --git a/files/grest/rpc/address/address_info.sql b/files/grest/rpc/address/address_info.sql
index 2ac829ca..3c4ee367 100644
--- a/files/grest/rpc/address/address_info.sql
+++ b/files/grest/rpc/address/address_info.sql
@@ -34,10 +34,8 @@ BEGIN
         tx_out.inline_datum_id,
         tx_out.reference_script_id
       FROM tx_out
-      LEFT JOIN tx_in ON tx_in.tx_out_id = tx_out.tx_id
-        AND tx_in.tx_out_index = tx_out.index
       INNER JOIN tx ON tx.id = tx_out.tx_id
-      WHERE tx_in.tx_out_id IS NULL
+      WHERE tx_out.consumed_by_tx_in_id IS NULL
         AND tx_out.address = ANY(_addresses)
     )
 
@@ -118,4 +116,4 @@ BEGIN
 END;
 $$;
 
-COMMENT ON FUNCTION grest.address_info IS 'Get bulk address info - balance, associated stake address (if any) and UTXO set'; -- noqa: LT01
+COMMENT ON FUNCTION grest.address_info IS 'Get bulk address info - balance, associated stake address (if any) and UTXO set'; -- noqa: LT01
\ No newline at end of file
diff --git a/files/grest/rpc/address/address_txs.sql b/files/grest/rpc/address/address_txs.sql
index 840be398..743ea71f 100644
--- a/files/grest/rpc/address/address_txs.sql
+++ b/files/grest/rpc/address/address_txs.sql
@@ -19,24 +19,18 @@ BEGIN
   -- all tx_out & tx_in tx ids
   SELECT INTO _tx_id_list ARRAY_AGG(tx_id)
   FROM (
-    SELECT
-      tx_id
-    FROM
-      tx_out
-    WHERE
-      address = ANY(_addresses)
+    SELECT tx_id
+    FROM tx_out
+    WHERE address = ANY(_addresses)
       AND tx_id >= _tx_id_min
     --
     UNION
     --
-    SELECT
-      tx_in_id AS tx_id
-    FROM
-      tx_out
-      LEFT JOIN tx_in ON tx_out.tx_id = tx_in.tx_out_id
-        AND tx_out.index = tx_in.tx_out_index
-    WHERE
-      tx_in.tx_in_id IS NOT NULL
+    SELECT tx_in_id AS tx_id
+    FROM tx_out
+    LEFT JOIN tx_in ON tx_out.tx_id = tx_in.tx_out_id
+      AND tx_out.index = tx_in.tx_out_index
+    WHERE tx_in.tx_in_id IS NOT NULL
       AND tx_out.address = ANY(_addresses)
       AND tx_in.tx_in_id >= _tx_id_min
   ) AS tmp;
@@ -44,17 +38,14 @@ BEGIN
   RETURN QUERY
     SELECT
       DISTINCT(ENCODE(tx.hash, 'hex')) AS tx_hash,
-      block.epoch_no,
-      block.block_no,
-      EXTRACT(EPOCH FROM block.time)::integer
-    FROM
-      public.tx
-      INNER JOIN public.block ON block.id = tx.block_id
-    WHERE
-      tx.id = ANY(_tx_id_list)
+      b.epoch_no,
+      b.block_no AS block_height,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time
+    FROM public.tx
+    INNER JOIN public.block AS b ON b.id = tx.block_id
+    WHERE tx.id = ANY(_tx_id_list)
       AND block.block_no >= _after_block_height
-    ORDER BY
-      block.block_no DESC;
+    ORDER BY block.block_no DESC;
 END;
 $$;
 
diff --git a/files/grest/rpc/address/address_utxos.sql b/files/grest/rpc/address/address_utxos.sql
new file mode 100644
index 00000000..c5b14ade
--- /dev/null
+++ b/files/grest/rpc/address/address_utxos.sql
@@ -0,0 +1,82 @@
+CREATE OR REPLACE FUNCTION grest.address_utxos(_addresses text [], _extended boolean DEFAULT false)
+RETURNS TABLE (
+  tx_hash text,
+  tx_index smallint,
+  address text,
+  value text,
+  stake_address text,
+  payment_cred text,
+  epoch_no word31type,
+  block_height word31type,
+  block_time integer,
+  datum_hash text,
+  inline_datum jsonb,
+  reference_script jsonb,
+  asset_list jsonb,
+  is_spent boolean
+)
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  known_addresses varchar[];
+BEGIN
+  RETURN QUERY
+    SELECT
+      ENCODE(tx.hash, 'hex')::text AS tx_hash,
+      tx_out.index::smallint,
+      tx_out.address::text,
+      tx_out.value::text,
+      sa.view::text as stake_address,
+      ENCODE(tx_out.payment_cred, 'hex') AS payment_cred,
+      b.epoch_no,
+      b.block_no,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time,
+      ENCODE(tx_out.data_hash, 'hex') AS datum_hash,
+      (CASE
+        WHEN _extended = false OR tx_out.inline_datum_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'bytes', ENCODE(datum.bytes, 'hex'),
+            'value', datum.value
+          )
+      END) AS inline_datum,
+      (CASE
+        WHEN _extended = false OR tx_out.reference_script_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'hash', ENCODE(script.hash, 'hex'),
+            'bytes', ENCODE(script.bytes, 'hex'),
+            'value', script.json,
+            'type', script.type::text,
+            'size', script.serialised_size
+          )
+      END) AS reference_script,
+      (CASE
+        WHEN _extended = false OR ma.policy IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'policy_id', ENCODE(ma.policy, 'hex'),
+            'asset_name', ENCODE(ma.name, 'hex'),
+            'fingerprint', ma.fingerprint,
+            'decimals', aic.decimals,
+            'quantity', mto.quantity::text
+          )
+        END
+      ) AS asset_list,
+      (CASE
+        WHEN tx_out.consumed_by_tx_in_id IS NULL THEN false
+        ELSE true
+      END) AS is_spent
+    FROM tx_out
+    INNER JOIN tx ON tx_out.tx_id = tx.id
+    LEFT JOIN stake_address AS sa ON tx_out.stake_address_id = sa.id
+    LEFT JOIN block AS b ON b.id = tx.block_id
+    LEFT JOIN ma_tx_out AS mto ON mto.tx_out_id = tx_out.id
+    LEFT JOIN multi_asset AS ma ON ma.id = mto.ident
+    LEFT JOIN grest.asset_info_cache AS aic ON aic.asset_id = ma.id
+    LEFT JOIN datum ON datum.id = tx_out.inline_datum_id
+    LEFT JOIN script ON script.id = tx_out.reference_script_id
+    WHERE
+      tx_out.address = ANY(_addresses)
+  ;
+END;
+$$;
+
+COMMENT ON FUNCTION grest.address_utxos IS  'Get UTxO details for requested addresses'; -- noqa: LT01
\ No newline at end of file
diff --git a/files/grest/rpc/address/credential_txs.sql b/files/grest/rpc/address/credential_txs.sql
index d581858a..e3ad6a4e 100644
--- a/files/grest/rpc/address/credential_txs.sql
+++ b/files/grest/rpc/address/credential_txs.sql
@@ -16,34 +16,29 @@ BEGIN
   SELECT INTO _payment_cred_bytea ARRAY_AGG(cred_bytea)
   FROM (
     SELECT DECODE(cred_hex, 'hex') AS cred_bytea
-    FROM
-      UNNEST(_payment_credentials) AS cred_hex
+    FROM UNNEST(_payment_credentials) AS cred_hex
   ) AS tmp;
 
   SELECT INTO _tx_id_min id
-  FROM tx
-  WHERE block_id >= (SELECT id FROM block WHERE block_no = _after_block_height)
-  ORDER BY id limit 1;
+    FROM tx
+    WHERE block_id >= (SELECT id FROM block WHERE block_no >= _after_block_height ORDER BY id limit 1)
+    ORDER BY id limit 1;
 
   -- all tx_out & tx_in tx ids
   SELECT INTO _tx_id_list ARRAY_AGG(tx_id)
   FROM (
     SELECT tx_id
-    FROM
-      tx_out
-    WHERE
-      payment_cred = ANY(_payment_cred_bytea)
+    FROM tx_out
+    WHERE payment_cred = ANY(_payment_cred_bytea)
       AND tx_id >= _tx_id_min
     --
     UNION
     --
     SELECT tx_in_id AS tx_id
-    FROM
-      tx_out
-      LEFT JOIN tx_in ON tx_out.tx_id = tx_in.tx_out_id
-        AND tx_out.index = tx_in.tx_out_index
-    WHERE
-      tx_in.tx_in_id IS NOT NULL
+    FROM tx_out
+    LEFT JOIN tx_in ON tx_out.tx_id = tx_in.tx_out_id
+      AND tx_out.index = tx_in.tx_out_index
+    WHERE tx_in.tx_in_id IS NOT NULL
       AND tx_out.payment_cred = ANY(_payment_cred_bytea)
       AND tx_in.tx_in_id >= _tx_id_min
   ) AS tmp;
@@ -51,18 +46,15 @@ BEGIN
   RETURN QUERY
     SELECT
       DISTINCT(ENCODE(tx.hash, 'hex')) AS tx_hash,
-      block.epoch_no,
-      block.block_no,
-      EXTRACT(EPOCH FROM block.time)::integer
-    FROM
-      public.tx
-      INNER JOIN public.block ON block.id = tx.block_id
-    WHERE
-      tx.id = ANY(_tx_id_list)
+      b.epoch_no,
+      b.block_no AS block_height,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time
+    FROM public.tx
+    INNER JOIN public.block AS b ON b.id = tx.block_id
+    WHERE tx.id = ANY(_tx_id_list)
       AND block.block_no >= _after_block_height
-    ORDER BY
-      block.block_no DESC;
+    ORDER BY block.block_no DESC;
 END;
 $$;
 
-COMMENT ON FUNCTION grest.address_txs IS 'Get the transaction hash list of a payment credentials array, optionally filtering after specified block height (inclusive).'; --noqa: LT01
+COMMENT ON FUNCTION grest.credential_txs IS 'Get the transaction hash list of a payment credentials array, optionally filtering after specified block height (inclusive).'; --noqa: LT01
diff --git a/files/grest/rpc/address/credential_utxos.sql b/files/grest/rpc/address/credential_utxos.sql
index 6d9d4677..76f71d86 100644
--- a/files/grest/rpc/address/credential_utxos.sql
+++ b/files/grest/rpc/address/credential_utxos.sql
@@ -1,34 +1,88 @@
-CREATE OR REPLACE FUNCTION grest.credential_utxos(_payment_credentials text [])
+CREATE OR REPLACE FUNCTION grest.credential_utxos(_payment_credentials text [], _extended boolean DEFAULT false)
 RETURNS TABLE (
   tx_hash text,
   tx_index smallint,
-  value text
+  address text,
+  value text,
+  stake_address text,
+  payment_cred text,
+  epoch_no word31type,
+  block_height word31type,
+  block_time integer,
+  datum_hash text,
+  inline_datum jsonb,
+  reference_script jsonb,
+  asset_list jsonb,
+  is_spent boolean
 )
 LANGUAGE plpgsql
 AS $$
 DECLARE
   _payment_cred_bytea  bytea[];
-
 BEGIN
   SELECT INTO _payment_cred_bytea ARRAY_AGG(cred_bytea)
   FROM (
-    SELECT
-      DECODE(cred_hex, 'hex') AS cred_bytea
-    FROM
-      UNNEST(_payment_credentials) AS cred_hex
+    SELECT DECODE(cred_hex, 'hex') AS cred_bytea
+    FROM UNNEST(_payment_credentials) AS cred_hex
   ) AS tmp;
 
   RETURN QUERY
     SELECT
       ENCODE(tx.hash, 'hex')::text AS tx_hash,
       tx_out.index::smallint,
-      tx_out.value::text AS balance
+      tx_out.address::text,
+      tx_out.value::text,
+      sa.view::text as stake_address,
+      ENCODE(tx_out.payment_cred, 'hex') AS payment_cred,
+      b.epoch_no,
+      b.block_no,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time,
+      ENCODE(tx_out.data_hash, 'hex') AS datum_hash,
+      (CASE
+        WHEN _extended = false OR tx_out.inline_datum_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'bytes', ENCODE(datum.bytes, 'hex'),
+            'value', datum.value
+          )
+      END) AS inline_datum,
+      (CASE
+        WHEN _extended = false OR tx_out.reference_script_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'hash', ENCODE(script.hash, 'hex'),
+            'bytes', ENCODE(script.bytes, 'hex'),
+            'value', script.json,
+            'type', script.type::text,
+            'size', script.serialised_size
+          )
+      END) AS reference_script,
+      (CASE
+        WHEN _extended = false OR ma.policy IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'policy_id', ENCODE(ma.policy, 'hex'),
+            'asset_name', ENCODE(ma.name, 'hex'),
+            'fingerprint', ma.fingerprint,
+            'decimals', aic.decimals,
+            'quantity', mto.quantity::text
+          )
+        END
+      ) AS asset_list,
+      (CASE
+        WHEN tx_out.consumed_by_tx_in_id IS NULL THEN false
+        ELSE true
+      END) AS is_spent
     FROM tx_out
-      INNER JOIN tx ON tx_out.tx_id = tx.id
-      LEFT JOIN tx_in ON tx_out.tx_id = tx_in.tx_out_id
-        AND tx_out.index = tx_in.tx_out_index
+    INNER JOIN tx ON tx_out.tx_id = tx.id
+    LEFT JOIN stake_address AS sa ON tx_out.stake_address_id = sa.id
+    LEFT JOIN block AS b ON b.id = tx.block_id
+    LEFT JOIN ma_tx_out AS mto ON mto.tx_out_id = tx_out.id
+    LEFT JOIN multi_asset AS ma ON ma.id = mto.ident
+    LEFT JOIN grest.asset_info_cache AS aic ON aic.asset_id = ma.id
+    LEFT JOIN datum ON datum.id = tx_out.inline_datum_id
+    LEFT JOIN script ON script.id = tx_out.reference_script_id
     WHERE
-      payment_cred = ANY(_payment_cred_bytea)
-      AND tx_in.tx_out_id IS NULL;
+      tx_out.payment_cred = ANY(_payment_cred_bytea)
+  ;
 END;
 $$;
+
+COMMENT ON FUNCTION grest.credential_utxos IS 'Get UTxO details for requested payment credentials'; -- noqa: LT01
\ No newline at end of file
diff --git a/files/grest/rpc/assets/asset_addresses.sql b/files/grest/rpc/assets/asset_addresses.sql
index 3344d395..8216671c 100644
--- a/files/grest/rpc/assets/asset_addresses.sql
+++ b/files/grest/rpc/assets/asset_addresses.sql
@@ -24,15 +24,15 @@ DECLARE
   _asset_id int;
 BEGIN
   SELECT DECODE(_asset_policy, 'hex') INTO _asset_policy_decoded;
-  SELECT DECODE(
-    CASE WHEN _asset_name IS NULL
-      THEN ''
-    ELSE
-      _asset_name
-    END,
-    'hex'
-  ) INTO _asset_name_decoded;
-  SELECT id INTO _asset_id FROM multi_asset AS ma WHERE ma.policy = _asset_policy_decoded AND ma.name = _asset_name_decoded;
+  SELECT DECODE(CASE
+    WHEN _asset_name IS NULL THEN ''
+    ELSE _asset_name
+    END, 'hex') INTO _asset_name_decoded;
+  SELECT id INTO _asset_id
+  FROM multi_asset AS ma
+  WHERE ma.policy = _asset_policy_decoded
+    AND ma.name = _asset_name_decoded;
+
   RETURN QUERY
     SELECT
       x.address,
@@ -42,17 +42,12 @@ BEGIN
         SELECT
           txo.address,
           mto.quantity
-        FROM
-          ma_tx_out AS mto
-          INNER JOIN tx_out AS txo ON txo.id = mto.tx_out_id
-          LEFT JOIN tx_in ON txo.tx_id = tx_in.tx_out_id
-            AND txo.index::smallint = tx_in.tx_out_index::smallint
-        WHERE
-          mto.ident = _asset_id
-          AND tx_in.tx_out_id IS NULL
+        FROM ma_tx_out AS mto
+        INNER JOIN tx_out AS txo ON txo.id = mto.tx_out_id
+        WHERE mto.ident = _asset_id
+          AND tx_out.consumed_by_tx_in_id IS NULL
       ) AS x
-    GROUP BY
-      x.address;
+    GROUP BY x.address;
 END;
 $$;
 
diff --git a/files/grest/rpc/assets/asset_txs.sql b/files/grest/rpc/assets/asset_txs.sql
index e34fc924..01d950f2 100644
--- a/files/grest/rpc/assets/asset_txs.sql
+++ b/files/grest/rpc/assets/asset_txs.sql
@@ -19,14 +19,15 @@ DECLARE
 BEGIN
   SELECT DECODE(_asset_policy, 'hex') INTO _asset_policy_decoded;
   SELECT DECODE(
-    CASE WHEN _asset_name IS NULL
-      THEN ''
-    ELSE
-      _asset_name
+    CASE
+      WHEN _asset_name IS NULL THEN ''
+      ELSE _asset_name
     END,
     'hex'
   ) INTO _asset_name_decoded;
-  SELECT id INTO _asset_id FROM multi_asset AS ma WHERE ma.policy = _asset_policy_decoded AND ma.name = _asset_name_decoded;
+  SELECT id INTO _asset_id
+  FROM multi_asset AS ma
+  WHERE ma.policy = _asset_policy_decoded AND ma.name = _asset_name_decoded;
 
   RETURN QUERY
     SELECT
@@ -35,18 +36,17 @@ BEGIN
       tx_hashes.block_no,
       EXTRACT(EPOCH FROM tx_hashes.time)::integer
     FROM (
-      SELECT DISTINCT ON (tx.hash)
+      SELECT DISTINCT ON (tx.hash,txo.index::smallint)
         tx.hash,
         block.epoch_no,
         block.block_no,
         block.time
-      FROM
-        ma_tx_out AS mto
-        INNER JOIN tx_out AS txo ON txo.id = mto.tx_out_id
-        INNER JOIN tx ON tx.id = txo.tx_id
-        INNER JOIN block ON block.id = tx.block_id
-        LEFT JOIN tx_in AS txi ON txo.tx_id = txi.tx_out_id
-          AND txo.index::smallint = txi.tx_out_index::smallint
+      FROM ma_tx_out AS mto
+      INNER JOIN tx_out AS txo ON txo.id = mto.tx_out_id
+      INNER JOIN tx ON tx.id = txo.tx_id
+      INNER JOIN block ON block.id = tx.block_id
+      LEFT JOIN tx_in AS txi ON txo.tx_id = txi.tx_out_id
+        AND txo.index::smallint = txi.tx_out_index::smallint
       WHERE
         mto.ident = _asset_id
         AND block.block_no >= _after_block_height
diff --git a/files/grest/rpc/assets/asset_utxos.sql b/files/grest/rpc/assets/asset_utxos.sql
new file mode 100644
index 00000000..e26c8327
--- /dev/null
+++ b/files/grest/rpc/assets/asset_utxos.sql
@@ -0,0 +1,95 @@
+CREATE OR REPLACE FUNCTION grest.asset_utxos(_asset_list text [] [], _extended boolean DEFAULT false)
+RETURNS TABLE (
+  tx_hash text,
+  tx_index smallint,
+  address text,
+  value text,
+  stake_address text,
+  payment_cred text,
+  epoch_no word31type,
+  block_height word31type,
+  block_time integer,
+  datum_hash text,
+  inline_datum jsonb,
+  reference_script jsonb,
+  asset_list jsonb,
+  is_spent boolean
+)
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  _asset_id_list bigint[];
+BEGIN
+  -- find all asset id's based ON nested array input
+  SELECT INTO _asset_id_list ARRAY_AGG(id)
+  FROM (
+    SELECT DISTINCT mu.id
+    FROM (
+      SELECT
+        DECODE(al->>0, 'hex') AS policy,
+        DECODE(al->>1, 'hex') AS name
+      FROM JSONB_ARRAY_ELEMENTS(TO_JSONB(_asset_list)) AS al
+    ) AS ald
+    INNER JOIN multi_asset AS mu ON mu.policy = ald.policy AND mu.name = ald.name
+  ) AS tmp;
+
+  RETURN QUERY
+    SELECT
+      ENCODE(tx.hash, 'hex')::text AS tx_hash,
+      tx_out.index::smallint,
+      tx_out.address::text,
+      tx_out.value::text,
+      sa.view::text as stake_address,
+      ENCODE(tx_out.payment_cred, 'hex') AS payment_cred,
+      b.epoch_no,
+      b.block_no,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time,
+      ENCODE(tx_out.data_hash, 'hex') AS datum_hash,
+      (CASE
+        WHEN _extended = false OR tx_out.inline_datum_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'bytes', ENCODE(datum.bytes, 'hex'),
+            'value', datum.value
+          )
+      END) AS inline_datum,
+      (CASE
+        WHEN _extended = false OR tx_out.reference_script_id IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'hash', ENCODE(script.hash, 'hex'),
+            'bytes', ENCODE(script.bytes, 'hex'),
+            'value', script.json,
+            'type', script.type::text,
+            'size', script.serialised_size
+          )
+      END) AS reference_script,
+      (CASE
+        WHEN ma.policy IS NULL THEN NULL
+        ELSE JSONB_BUILD_OBJECT(
+            'policy_id', ENCODE(ma.policy, 'hex'),
+            'asset_name', ENCODE(ma.name, 'hex'),
+            'fingerprint', ma.fingerprint,
+            'decimals', aic.decimals,
+            'quantity', mto.quantity::text
+          )
+        END
+      ) AS asset_list,
+      (CASE
+        WHEN tx_out.consumed_by_tx_in_id IS NULL THEN false
+        ELSE true
+      END) AS is_spent
+    FROM tx_out
+    INNER JOIN tx ON tx_out.tx_id = tx.id
+    LEFT JOIN stake_address AS sa ON tx_out.stake_address_id = sa.id
+    LEFT JOIN block AS b ON b.id = tx.block_id
+    LEFT JOIN ma_tx_out AS mto ON mto.tx_out_id = tx_out.id
+    LEFT JOIN multi_asset AS ma ON ma.id = mto.ident
+    LEFT JOIN grest.asset_info_cache AS aic ON aic.asset_id = ma.id
+    LEFT JOIN datum ON datum.id = tx_out.inline_datum_id
+    LEFT JOIN script ON script.id = tx_out.reference_script_id
+    WHERE
+      mto.ident = ANY(_asset_id_list)
+  ;
+END;
+$$;
+
+COMMENT ON FUNCTION grest.asset_utxos IS 'Get UTxO details for requested assets'; -- noqa: LT01
diff --git a/files/grest/rpc/assets/policy_asset_addresses.sql b/files/grest/rpc/assets/policy_asset_addresses.sql
index 478b1527..5287b4a1 100644
--- a/files/grest/rpc/assets/policy_asset_addresses.sql
+++ b/files/grest/rpc/assets/policy_asset_addresses.sql
@@ -16,8 +16,7 @@ BEGIN
         SELECT
           id,
           ENCODE(name, 'hex') AS asset_name
-        FROM
-          multi_asset AS ma
+        FROM multi_asset AS ma
         WHERE ma.policy = _asset_policy_decoded
       )
 
@@ -31,17 +30,14 @@ BEGIN
           aa.asset_name,
           txo.address,
           mto.quantity
-        FROM
-          _all_assets AS aa
-          INNER JOIN ma_tx_out AS mto ON mto.ident = aa.id
-          INNER JOIN tx_out AS txo ON txo.id = mto.tx_out_id
-          LEFT JOIN tx_in ON txo.tx_id = tx_in.tx_out_id
-            AND txo.index::smallint = tx_in.tx_out_index::smallint
-        WHERE
-          tx_in.tx_out_id IS NULL
+        FROM _all_assets AS aa
+        INNER JOIN ma_tx_out AS mto ON mto.ident = aa.id
+        INNER JOIN tx_out AS txo ON txo.id = mto.tx_out_id
+        WHERE tx_out.consumed_by_tx_in_id IS NULL
       ) AS x
     GROUP BY
-      x.asset_name, x.address;
+      x.asset_name,
+      x.address;
 END;
 $$;
 
diff --git a/files/grest/rpc/blocks/block_txs.sql b/files/grest/rpc/blocks/block_txs.sql
index 8bdeeaf6..daf45adf 100644
--- a/files/grest/rpc/blocks/block_txs.sql
+++ b/files/grest/rpc/blocks/block_txs.sql
@@ -1,7 +1,10 @@
 CREATE OR REPLACE FUNCTION grest.block_txs(_block_hashes text [])
 RETURNS TABLE (
   block_hash text,
-  tx_hashes text []
+  tx_hash text,
+  epoch_no word31type,
+  block_height word31type,
+  block_time integer
 )
 LANGUAGE plpgsql
 AS $$
@@ -21,13 +24,15 @@ BEGIN
 
   RETURN QUERY
     SELECT
-      encode(b.hash, 'hex'),
-      ARRAY_AGG(ENCODE(tx.hash::bytea, 'hex'))
-    FROM
-      public.block AS b
-      INNER JOIN public.tx ON tx.block_id = b.id
+      ENCODE(b.hash, 'hex'),
+      ENCODE(tx.hash, 'hex') AS tx_hash,
+      b.epoch_no,
+      b.block_no AS block_height,
+      EXTRACT(EPOCH FROM b.time)::integer AS block_time
+    FROM public.block AS b
+    INNER JOIN public.tx ON tx.block_id = b.id
     WHERE b.id = ANY(_block_ids)
-    GROUP BY b.hash;
+  ;
 END;
 $$;