diff --git a/server/app/com/xsn/explorer/data/anorm/dao/BlockPostgresDAO.scala b/server/app/com/xsn/explorer/data/anorm/dao/BlockPostgresDAO.scala
index 72ddd61e..0879f971 100644
--- a/server/app/com/xsn/explorer/data/anorm/dao/BlockPostgresDAO.scala
+++ b/server/app/com/xsn/explorer/data/anorm/dao/BlockPostgresDAO.scala
@@ -161,7 +161,8 @@ class BlockPostgresDAO @Inject()(
 
     val headers = SQL(
       s"""
-        |SELECT blockhash, previous_blockhash, merkle_root, height, time
+        |SELECT blockhash, previous_blockhash, next_blockhash, tpos_contract, merkle_root, size,
+        |       height, version, time, median_time, nonce, bits, chainwork, difficulty, extraction_method
         |FROM blocks
         |ORDER BY height $order
         |LIMIT {limit}
@@ -195,7 +196,8 @@ class BlockPostgresDAO @Inject()(
         |  FROM blocks
         |  WHERE blockhash = {lastSeenHash}
         |)
-        |SELECT b.blockhash, b.previous_blockhash, b.merkle_root, b.height, b.time
+        |SELECT blockhash, previous_blockhash, next_blockhash, tpos_contract, merkle_root, size,
+        |       height, version, time, median_time, nonce, bits, chainwork, difficulty, extraction_method
         |FROM CTE CROSS JOIN blocks b
         |WHERE b.height $comparator lastSeenHeight
         |ORDER BY height $order
@@ -218,7 +220,8 @@ class BlockPostgresDAO @Inject()(
   def getHeader(blockhash: Blockhash, includeFilter: Boolean)(implicit conn: Connection): Option[BlockHeader] = {
     val blockMaybe = SQL(
       """
-        |SELECT blockhash, previous_blockhash, merkle_root, height, time
+        |SELECT blockhash, previous_blockhash, next_blockhash, tpos_contract, merkle_root, size,
+        |       height, version, time, median_time, nonce, bits, chainwork, difficulty, extraction_method
         |FROM blocks
         |WHERE blockhash = {blockhash}
       """.stripMargin
@@ -237,7 +240,8 @@ class BlockPostgresDAO @Inject()(
   def getHeader(height: Height, includeFilter: Boolean)(implicit conn: Connection): Option[BlockHeader] = {
     val blockMaybe = SQL(
       """
-        |SELECT blockhash, previous_blockhash, merkle_root, height, time
+        |SELECT blockhash, previous_blockhash, next_blockhash, tpos_contract, merkle_root, size,
+        |       height, version, time, median_time, nonce, bits, chainwork, difficulty, extraction_method
         |FROM blocks
         |WHERE height = {height}
       """.stripMargin
diff --git a/server/app/com/xsn/explorer/data/anorm/parsers/BlockParsers.scala b/server/app/com/xsn/explorer/data/anorm/parsers/BlockParsers.scala
index 10cc9748..69819c55 100644
--- a/server/app/com/xsn/explorer/data/anorm/parsers/BlockParsers.scala
+++ b/server/app/com/xsn/explorer/data/anorm/parsers/BlockParsers.scala
@@ -77,8 +77,53 @@ object BlockParsers {
       )
   }
 
-  val parseHeader = (parseBlockhash() ~ parsePreviousBlockhash.? ~ parseMerkleRoot ~ parseHeight ~ parseTime).map {
-    case blockhash ~ previousBlockhash ~ merkleRoot ~ height ~ time =>
-      BlockHeader.Simple(blockhash, previousBlockhash, merkleRoot, height, time)
+  val parseHeader = (parseBlockhash() ~
+    parseNextBlockhash.? ~
+    parsePreviousBlockhash.? ~
+    parseTposContract.? ~
+    parseMerkleRoot ~
+    parseSize ~
+    parseHeight ~
+    parseVersion ~
+    parseTime ~
+    parseMedianTime ~
+    parseNonce ~
+    parseBits ~
+    parseChainwork ~
+    parseDifficulty ~
+    parseExtractionMethod).map {
+
+    case hash ~
+          nextBlockhash ~
+          previousBlockhash ~
+          tposContract ~
+          merkleRoot ~
+          size ~
+          height ~
+          version ~
+          time ~
+          medianTime ~
+          nonce ~
+          bits ~
+          chainwork ~
+          difficulty ~
+          extractionMethod =>
+      BlockHeader.Simple(
+        hash = hash,
+        previousBlockhash = previousBlockhash,
+        nextBlockhash = nextBlockhash,
+        tposContract = tposContract,
+        merkleRoot = merkleRoot,
+        size = size,
+        height = height,
+        time = time,
+        medianTime = medianTime,
+        nonce = nonce,
+        bits = bits,
+        chainwork = chainwork,
+        difficulty = difficulty,
+        version = version,
+        extractionMethod = extractionMethod
+      )
   }
 }
diff --git a/server/app/com/xsn/explorer/models/persisted/BlockHeader.scala b/server/app/com/xsn/explorer/models/persisted/BlockHeader.scala
index 81e7c989..61f8b252 100644
--- a/server/app/com/xsn/explorer/models/persisted/BlockHeader.scala
+++ b/server/app/com/xsn/explorer/models/persisted/BlockHeader.scala
@@ -1,6 +1,7 @@
 package com.xsn.explorer.models.persisted
 
 import com.xsn.explorer.gcs.GolombCodedSet
+import com.xsn.explorer.models.BlockExtractionMethod
 import com.xsn.explorer.models.values._
 import io.scalaland.chimney.dsl._
 import play.api.libs.json.{Json, Writes}
@@ -9,9 +10,19 @@ sealed trait BlockHeader extends Product with Serializable {
 
   def hash: Blockhash
   def previousBlockhash: Option[Blockhash]
+  def nextBlockhash: Option[Blockhash]
+  def tposContract: Option[TransactionId]
   def merkleRoot: Blockhash
+  def size: Size
   def height: Height
+  def version: Int
   def time: Long
+  def medianTime: Long
+  def nonce: Long
+  def bits: String
+  def chainwork: String
+  def difficulty: BigDecimal
+  def extractionMethod: BlockExtractionMethod
 
   def withFilter(filter: GolombCodedSet): BlockHeader.HasFilter = {
     this
@@ -26,17 +37,37 @@ object BlockHeader {
   case class Simple(
       hash: Blockhash,
       previousBlockhash: Option[Blockhash],
+      nextBlockhash: Option[Blockhash],
+      tposContract: Option[TransactionId],
       merkleRoot: Blockhash,
+      size: Size,
       height: Height,
-      time: Long
+      version: Int,
+      time: Long,
+      medianTime: Long,
+      nonce: Long,
+      bits: String,
+      chainwork: String,
+      difficulty: BigDecimal,
+      extractionMethod: BlockExtractionMethod
   ) extends BlockHeader
 
   case class HasFilter(
       hash: Blockhash,
       previousBlockhash: Option[Blockhash],
+      nextBlockhash: Option[Blockhash],
+      tposContract: Option[TransactionId],
       merkleRoot: Blockhash,
+      size: Size,
       height: Height,
+      version: Int,
       time: Long,
+      medianTime: Long,
+      nonce: Long,
+      bits: String,
+      chainwork: String,
+      difficulty: BigDecimal,
+      extractionMethod: BlockExtractionMethod,
       filter: GolombCodedSet
   ) extends BlockHeader
 
@@ -49,7 +80,23 @@ object BlockHeader {
     )
   }
 
-  implicit val writes: Writes[BlockHeader] = (obj: BlockHeader) => {
+  val partialWrites: Writes[BlockHeader] = (obj: BlockHeader) => {
+    val filterMaybe = obj match {
+      case x: HasFilter => Some(x.filter)
+      case _ => Option.empty
+    }
+
+    Json.obj(
+      "hash" -> obj.hash,
+      "previousBlockhash" -> obj.previousBlockhash,
+      "merkleRoot" -> obj.merkleRoot,
+      "height" -> obj.height,
+      "time" -> obj.time,
+      "filter" -> filterMaybe
+    )
+  }
+
+  val completeWrites: Writes[BlockHeader] = (obj: BlockHeader) => {
     val filterMaybe = obj match {
       case x: HasFilter => Some(x.filter)
       case _ => Option.empty
@@ -58,9 +105,19 @@ object BlockHeader {
     Json.obj(
       "hash" -> obj.hash,
       "previousBlockhash" -> obj.previousBlockhash,
+      "nextBlockhash" -> obj.nextBlockhash,
+      "tposContract" -> obj.tposContract,
       "merkleRoot" -> obj.merkleRoot,
+      "size" -> obj.size,
       "height" -> obj.height,
+      "version" -> obj.version,
       "time" -> obj.time,
+      "medianTime" -> obj.medianTime,
+      "nonce" -> obj.nonce,
+      "bits" -> obj.bits,
+      "chainwork" -> obj.chainwork,
+      "difficulty" -> obj.difficulty,
+      "extractionMethod" -> obj.extractionMethod.entryName,
       "filter" -> filterMaybe
     )
   }
diff --git a/server/app/controllers/BlocksController.scala b/server/app/controllers/BlocksController.scala
index 6cf8d9ea..5d661c36 100644
--- a/server/app/controllers/BlocksController.scala
+++ b/server/app/controllers/BlocksController.scala
@@ -4,6 +4,7 @@ import com.alexitc.playsonify.core.FutureOr.Implicits.FutureOps
 import com.alexitc.playsonify.models.ordering.OrderingQuery
 import com.alexitc.playsonify.models.pagination.{Limit, Offset, PaginatedQuery}
 import com.xsn.explorer.models.LightWalletTransaction
+import com.xsn.explorer.models.persisted.BlockHeader
 import com.xsn.explorer.models.values.Height
 import com.xsn.explorer.services.{BlockService, TransactionService}
 import controllers.common.{Codecs, MyJsonController, MyJsonControllerComponents}
@@ -26,6 +27,7 @@ class BlocksController @Inject()(
   }
 
   def getBlockHeaders(lastSeenHash: Option[String], limit: Int, orderingCondition: String) = public { _ =>
+    implicit val codec: Writes[BlockHeader] = BlockHeader.partialWrites
     blockService
       .getBlockHeaders(Limit(limit), lastSeenHash, orderingCondition)
       .toFutureOr
@@ -47,6 +49,7 @@ class BlocksController @Inject()(
    * retrieve the blockHeader by blockhash.
    */
   def getBlockHeader(query: String, includeFilter: Boolean) = public { _ =>
+    implicit val codec: Writes[BlockHeader] = BlockHeader.completeWrites
     val (cache, resultF) = Try(query.toInt)
       .map(Height.apply)
       .map { value =>
diff --git a/server/test/com/xsn/explorer/data/BlockPostgresDataHandlerSpec.scala b/server/test/com/xsn/explorer/data/BlockPostgresDataHandlerSpec.scala
index d2465ce5..84b59525 100644
--- a/server/test/com/xsn/explorer/data/BlockPostgresDataHandlerSpec.scala
+++ b/server/test/com/xsn/explorer/data/BlockPostgresDataHandlerSpec.scala
@@ -318,10 +318,19 @@ class BlockPostgresDataHandlerSpec extends PostgresDataHandlerSpec with BeforeAn
 
   private def matches(expected: BlockHeader, result: BlockHeader) = {
     result.hash mustEqual expected.hash
+    result.tposContract mustEqual expected.tposContract
+    result.nextBlockhash mustEqual expected.nextBlockhash
     result.previousBlockhash mustEqual expected.previousBlockhash
     result.merkleRoot mustEqual expected.merkleRoot
+    result.size mustEqual expected.size
     result.height mustEqual expected.height
+    result.version mustEqual expected.version
+    result.medianTime mustEqual expected.medianTime
     result.time mustEqual expected.time
+    result.bits mustEqual expected.bits
+    result.chainwork mustEqual expected.chainwork
+    result.difficulty mustEqual expected.difficulty
+    result.nonce mustEqual expected.nonce
 
     (expected, result) match {
       case (e: BlockHeader.HasFilter, r: BlockHeader.HasFilter) => matchFilter(e.filter, r.filter)
diff --git a/server/test/controllers/BlocksControllerSpec.scala b/server/test/controllers/BlocksControllerSpec.scala
index 677c4ae7..4c9a4fef 100644
--- a/server/test/controllers/BlocksControllerSpec.scala
+++ b/server/test/controllers/BlocksControllerSpec.scala
@@ -508,13 +508,21 @@ class BlocksControllerSpec extends MyAPISpec {
     val block = expected
 
     (jsonBlockHeader \ "hash").as[Blockhash] mustEqual block.hash
+    (jsonBlockHeader \ "size").as[Size] mustEqual block.size
+    (jsonBlockHeader \ "bits").as[String] mustEqual block.bits
+    (jsonBlockHeader \ "chainwork").as[String] mustEqual block.chainwork
+    (jsonBlockHeader \ "difficulty").as[BigDecimal] mustEqual block.difficulty
     (jsonBlockHeader \ "height").as[Height] mustEqual block.height
+    (jsonBlockHeader \ "medianTime").as[Long] mustEqual block.medianTime
     (jsonBlockHeader \ "time").as[Long] mustEqual block.time
     (jsonBlockHeader \ "merkleRoot").as[Blockhash] mustEqual block.merkleRoot
+    (jsonBlockHeader \ "version").as[Long] mustEqual block.version
+    (jsonBlockHeader \ "nonce").as[Int] mustEqual block.nonce
     (jsonBlockHeader \ "previousBlockhash").asOpt[Blockhash] mustEqual block.previousBlockhash
+    (jsonBlockHeader \ "nextBlockhash").asOpt[Blockhash] mustEqual block.nextBlockhash
 
     block match {
-      case BlockHeader.HasFilter(_, _, _, _, _, filter) => {
+      case BlockHeader.HasFilter(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, filter) => {
         val jsonFilter = (jsonBlockHeader \ "filter").as[JsValue]
 
         (jsonFilter \ "n").as[Int] mustEqual filter.n
@@ -522,7 +530,7 @@ class BlocksControllerSpec extends MyAPISpec {
         (jsonFilter \ "p").as[Int] mustEqual filter.p
         (jsonFilter \ "hex").as[String] mustEqual filter.hex.string
       }
-      case BlockHeader.Simple(_, _, _, _, _) => ()
+      case BlockHeader.Simple(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _) => ()
     }
   }