diff --git a/src/it/resources/template.conf b/src/it/resources/template.conf
index c68bbdbd5c5..77ff2aeb554 100644
--- a/src/it/resources/template.conf
+++ b/src/it/resources/template.conf
@@ -27,7 +27,7 @@ waves {
         reset-effective-balances-at-height = 0
         allow-leased-balance-transfer-until = 0
         enable-microblocks-after-height = 0
-        block-version-3-after = 0
+        block-version-3-after-height = 0
         pre-activated-features = {
           2 = 0
         }
diff --git a/src/main/resources/application.conf b/src/main/resources/application.conf
index 6dc39d2452a..4fb5263b298 100644
--- a/src/main/resources/application.conf
+++ b/src/main/resources/application.conf
@@ -142,7 +142,7 @@ waves {
     #        allow-unissued-assets-until = 0
     #        require-payment-unique-id-after = 0
     #        allow-leased-balance-transfer-until = 0
-    #        block-version-3-after = 0
+    #        block-version-3-after-height = 0
     #        pre-activated-features {
     #          1 = 100
     #          2 = 200
diff --git a/src/main/scala/com/wavesplatform/Coordinator.scala b/src/main/scala/com/wavesplatform/Coordinator.scala
index 2ac60f9c367..1c14f4e7084 100644
--- a/src/main/scala/com/wavesplatform/Coordinator.scala
+++ b/src/main/scala/com/wavesplatform/Coordinator.scala
@@ -207,10 +207,10 @@ object Coordinator extends ScorexLogging with Instrumented {
 
     (for {
       height <- history.heightOf(block.reference).toRight(s"history does not contain parent ${block.reference}")
-      _ <- Either.cond(height > fs.blockVersion3After
+      _ <- Either.cond(height > fs.blockVersion3AfterHeight
         || block.version == Block.GenesisBlockVersion
         || block.version == Block.PlainBlockVersion,
-        (), s"Block Version 3 can only appear at height greater than ${fs.blockVersion3After}")
+        (), s"Block Version 3 can only appear at height greater than ${fs.blockVersion3AfterHeight}")
       _ <- Either.cond(blockTime - currentTs < MaxTimeDrift, (), s"timestamp $blockTime is from future")
       _ <- Either.cond(blockTime < fs.requireSortedTransactionsAfter
         || height > fs.dontRequireSortedTransactionsAfter
diff --git a/src/main/scala/com/wavesplatform/mining/Miner.scala b/src/main/scala/com/wavesplatform/mining/Miner.scala
index 4634ef6b60a..e112975d6e2 100644
--- a/src/main/scala/com/wavesplatform/mining/Miner.scala
+++ b/src/main/scala/com/wavesplatform/mining/Miner.scala
@@ -83,7 +83,7 @@ class MinerImpl(
     history.read { implicit l =>
       // should take last block right at the time of mining since microblocks might have been added
       val height = history.height()
-      val version = if (height <= blockchainSettings.functionalitySettings.blockVersion3After) PlainBlockVersion else NgBlockVersion
+      val version = if (height <= blockchainSettings.functionalitySettings.blockVersion3AfterHeight) PlainBlockVersion else NgBlockVersion
       val lastBlock = history.lastBlock.get
       val greatGrandParentTimestamp = history.parent(lastBlock, 2).map(_.timestamp)
       val referencedBlockInfo = history.bestLastBlockInfo(System.currentTimeMillis() - minMicroBlockDurationMills).get
diff --git a/src/main/scala/com/wavesplatform/settings/BlockchainSettings.scala b/src/main/scala/com/wavesplatform/settings/BlockchainSettings.scala
index 2c1b8916349..f08b4a0d156 100644
--- a/src/main/scala/com/wavesplatform/settings/BlockchainSettings.scala
+++ b/src/main/scala/com/wavesplatform/settings/BlockchainSettings.scala
@@ -24,9 +24,9 @@ case class FunctionalitySettings(featureCheckBlocksPeriod: Int,
                                  allowMultipleLeaseCancelTransactionUntilTimestamp: Long,
                                  resetEffectiveBalancesAtHeight: Long,
                                  allowLeasedBalanceTransferUntil: Long,
-                                 blockVersion3After: Long,
+                                 blockVersion3AfterHeight: Long,
                                  preActivatedFeatures: Map[Short, Int]) {
-  val dontRequireSortedTransactionsAfter: Long = blockVersion3After
+  val dontRequireSortedTransactionsAfter: Long = blockVersion3AfterHeight
 
   require(featureCheckBlocksPeriod > 0, "featureCheckBlocksPeriod must be greater than 0")
   require((blocksForFeatureActivation > 0) && (blocksForFeatureActivation <= featureCheckBlocksPeriod), s"blocksForFeatureActivation must be in range 1 to $featureCheckBlocksPeriod")
@@ -48,7 +48,7 @@ object FunctionalitySettings {
     allowMultipleLeaseCancelTransactionUntilTimestamp = 1492768800000L,
     resetEffectiveBalancesAtHeight = 462000,
     allowLeasedBalanceTransferUntil = Long.MaxValue,
-    blockVersion3After = Long.MaxValue,
+    blockVersion3AfterHeight = Long.MaxValue,
     preActivatedFeatures = Map.empty)
 
   val TESTNET = apply(
@@ -66,7 +66,7 @@ object FunctionalitySettings {
     allowMultipleLeaseCancelTransactionUntilTimestamp = 1492560000000L,
     resetEffectiveBalancesAtHeight = 51500,
     allowLeasedBalanceTransferUntil = 1495238400000L,
-    blockVersion3After = 1508144400000L,
+    blockVersion3AfterHeight = 161700,
     preActivatedFeatures = Map.empty)
 
   val configPath = "waves.blockchain.custom.functionality"
diff --git a/src/test/scala/com/wavesplatform/settings/BlockchainSettingsSpecification.scala b/src/test/scala/com/wavesplatform/settings/BlockchainSettingsSpecification.scala
index d5e1aa5c100..ab75f76a458 100644
--- a/src/test/scala/com/wavesplatform/settings/BlockchainSettingsSpecification.scala
+++ b/src/test/scala/com/wavesplatform/settings/BlockchainSettingsSpecification.scala
@@ -33,7 +33,7 @@ class BlockchainSettingsSpecification extends FlatSpec with Matchers {
         |        allow-multiple-lease-cancel-transaction-until-timestamp = 14
         |        reset-effective-balances-at-height = 15
         |        allow-leased-balance-transfer-until = 17
-        |        block-version-3-after = 18
+        |        block-version-3-after-height = 18
         |        pre-activated-features {
         |          19 = 100
         |          20 = 200
@@ -75,7 +75,7 @@ class BlockchainSettingsSpecification extends FlatSpec with Matchers {
     settings.functionalitySettings.allowMultipleLeaseCancelTransactionUntilTimestamp should be(14)
     settings.functionalitySettings.resetEffectiveBalancesAtHeight should be(15)
     settings.functionalitySettings.allowLeasedBalanceTransferUntil should be(17)
-    settings.functionalitySettings.blockVersion3After should be(18)
+    settings.functionalitySettings.blockVersion3AfterHeight should be(18)
     settings.functionalitySettings.preActivatedFeatures should be(Map(19 -> 100, 20 -> 200))
     settings.genesisSettings.blockTimestamp should be(1460678400000L)
     settings.genesisSettings.timestamp should be(1460678400000L)
diff --git a/src/test/scala/scorex/settings/TestFunctionalitySettings.scala b/src/test/scala/scorex/settings/TestFunctionalitySettings.scala
index 7cd2637eefb..f0fdd5d56ac 100644
--- a/src/test/scala/scorex/settings/TestFunctionalitySettings.scala
+++ b/src/test/scala/scorex/settings/TestFunctionalitySettings.scala
@@ -14,7 +14,7 @@ object TestFunctionalitySettings {
     allowInvalidReissueInSameBlockUntilTimestamp = 0L,
     allowMultipleLeaseCancelTransactionUntilTimestamp = 0L, resetEffectiveBalancesAtHeight = 0,
     allowLeasedBalanceTransferUntil = 0L,
-    blockVersion3After = 0L,
+    blockVersion3AfterHeight = 0L,
     preActivatedFeatures = Map.empty
   )
 
diff --git a/waves-devnet.conf b/waves-devnet.conf
index 18e52434b37..f4f2748bbfd 100644
--- a/waves-devnet.conf
+++ b/waves-devnet.conf
@@ -21,7 +21,7 @@ waves {
         allow-multiple-lease-cancel-transaction-until-timestamp: 1492128000000
         reset-effective-balances-at-height: 4650
         allow-leased-balance-transfer-until: 0
-        block-version-3-after: 0
+        block-version-3-after-height: 0
         pre-activated-features {}
       }
       genesis {