diff --git a/block/block.go b/block/block.go
index d5248399..98fc8fcd 100644
--- a/block/block.go
+++ b/block/block.go
@@ -101,12 +101,12 @@ func (b *neoBlock) SetMerkleRoot(r util.Uint256) {
 
 // Timestamp implements Block interface.
 func (b *neoBlock) Timestamp() uint64 {
-	return uint64(b.base.Timestamp)
+	return uint64(b.base.Timestamp) * 1000000000
 }
 
 // SetTimestamp implements Block interface.
 func (b *neoBlock) SetTimestamp(ts uint64) {
-	b.base.Timestamp = uint32(ts)
+	b.base.Timestamp = uint32(ts / 1000000000)
 }
 
 // Index implements Block interface.
diff --git a/block/block_test.go b/block/block_test.go
index d8aebde6..22c6e61e 100644
--- a/block/block_test.go
+++ b/block/block_test.go
@@ -37,8 +37,13 @@ func TestNeoBlock_Setters(t *testing.T) {
 	b.SetMerkleRoot(util.Uint256{13})
 	assert.Equal(t, util.Uint256{13}, b.MerkleRoot())
 
-	b.SetTimestamp(12345)
-	assert.EqualValues(t, 12345, b.Timestamp())
+	b.SetTimestamp(1234)
+	// 1234ns -> 0s -> 0ns
+	assert.EqualValues(t, uint64(0), b.Timestamp())
+
+	b.SetTimestamp(9123456789)
+	// 9123456789ns -> 9s -> 9000000000ns
+	assert.EqualValues(t, uint64(9000000000), b.Timestamp())
 
 	b.SetIndex(100)
 	assert.EqualValues(t, 100, b.Index())
diff --git a/context.go b/context.go
index 31222fa9..2d89ac2e 100644
--- a/context.go
+++ b/context.go
@@ -225,13 +225,19 @@ func (c *Context) Fill() {
 	validators := c.Config.GetValidators(txx...)
 	c.NextConsensus = c.Config.GetConsensusAddress(validators...)
 
-	if now := uint64(c.Config.Timer.Now().Unix()); now > c.Timestamp {
+	if now := c.getTimestamp(); now > c.Timestamp {
 		c.Timestamp = now
 	} else {
 		c.Timestamp++
 	}
 }
 
+// getTimestamp returns nanoseconds-precision timestamp using
+// current context config.
+func (c *Context) getTimestamp() uint64 {
+	return uint64(c.Config.Timer.Now().UnixNano())
+}
+
 // CreateBlock returns resulting block for the current epoch.
 func (c *Context) CreateBlock() block.Block {
 	if c.block == nil {
diff --git a/payload/prepare_request.go b/payload/prepare_request.go
index 6ef1cad8..793c2dba 100644
--- a/payload/prepare_request.go
+++ b/payload/prepare_request.go
@@ -56,12 +56,12 @@ func (p *prepareRequest) DecodeBinary(r *io.BinReader) {
 
 // Timestamp implements PrepareRequest interface.
 func (p prepareRequest) Timestamp() uint64 {
-	return uint64(p.timestamp)
+	return uint64(p.timestamp) * 1000000000
 }
 
 // SetTimestamp implements PrepareRequest interface.
 func (p *prepareRequest) SetTimestamp(ts uint64) {
-	p.timestamp = uint32(ts)
+	p.timestamp = uint32(ts / 1000000000)
 }
 
 // Nonce implements PrepareRequest interface.
diff --git a/payload/recovery_message.go b/payload/recovery_message.go
index 827a6484..4faf0305 100644
--- a/payload/recovery_message.go
+++ b/payload/recovery_message.go
@@ -97,7 +97,8 @@ func (m *recoveryMessage) GetPrepareRequest(p ConsensusPayload, _ []crypto.Publi
 	}
 
 	req := fromPayload(PrepareRequestType, p, &prepareRequest{
-		timestamp:         uint32(m.prepareRequest.Timestamp()),
+		// prepareRequest.Timestamp() here returns nanoseconds-precision value, so convert it to seconds again
+		timestamp:         uint32(m.prepareRequest.Timestamp() / 1000000000),
 		nonce:             m.prepareRequest.Nonce(),
 		transactionHashes: m.prepareRequest.TransactionHashes(),
 		nextConsensus:     m.prepareRequest.NextConsensus(),