vdk_binary seems to be done

libs/vdk_binary/scratch/sp.ts

@@ -0,0 +1,23 @@
+/**
+ * Vanillae Seed Phrase Library
+ *
+ * Refs:
+ * 1. BIP 39: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki
+ *
+ * @module
+ */
+
+
+/**
+ * Get a given number of seed bits.
+ *
+ * `how_many` must be a multiple of 33.
+ *
+ * Ref: https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki#generating-the-mnemonic
+ */
+function
+seed_and_check_bits
+    (how_many : number)
+    : Uint8Array
+{
+}