diff --git a/change/blk.go b/change/blk.go
new file mode 100644
index 0000000..f245c62
--- /dev/null
+++ b/change/blk.go
@@ -0,0 +1,11 @@
+package change
+
+import (
+	"github.com/btcsuite/btcd/chaincfg/chainhash"
+)
+
+// Block ...
+type Block struct {
+	Hash    chainhash.Hash
+	Changes []*Change
+}