diff --git a/crypto.py b/crypto.py
new file mode 100644
index 00000000..b1c8e3ed
--- /dev/null
+++ b/crypto.py
@@ -0,0 +1,102 @@
+from helpers import *
+
+from mobject.tex_mobject import TexMobject
+from mobject import Mobject
+from mobject.image_mobject import ImageMobject
+from mobject.vectorized_mobject import *
+
+from animation.animation import Animation
+from animation.transform import *
+from animation.simple_animations import *
+from animation.playground import *
+from topics.geometry import *
+from topics.characters import *
+from topics.functions import *
+from topics.fractals import *
+from topics.number_line import *
+from topics.combinatorics import *
+from topics.numerals import *
+from topics.three_dimensions import *
+from topics.objects import *
+from topics.probability import *
+from topics.complex_numbers import *
+from scene import Scene
+from scene.reconfigurable_scene import ReconfigurableScene
+from scene.zoomed_scene import *
+from camera import Camera
+from mobject.svg_mobject import *
+from mobject.tex_mobject import *
+
+class AskQuestion(Scene):
+    CONFIG = {
+        "time_per_char" : 0.06,
+    }
+    def construct(self):
+        strings = [
+            "What", "does", "it", "mean   ", "to", 
+            "have    ", "a", "Bitcoin?"
+        ]
+        question = TextMobject(*strings)
+        question.highlight_by_tex("have", YELLOW)
+        self.dither()
+        for word, part in zip(strings, question):
+            n_chars = len(word.strip())
+            n_spaces = len(word) - n_chars
+            self.play(
+                LaggedStart(FadeIn, part),
+                run_time = self.time_per_char * len(word),
+                rate_func = squish_rate_func(smooth, 0, 0.5)
+            )
+            self.dither(self.time_per_char*n_spaces)
+        self.dither(2)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+