diff --git a/docs/forum/bitcoin-forum/219.md b/docs/forum/bitcoin-forum/219.md
new file mode 100644
index 0000000..70d86d5
--- /dev/null
+++ b/docs/forum/bitcoin-forum/219.md
@@ -0,0 +1,22 @@
+---
+layout: forum
+title: 'Re: The dollar cost of bitmining energy'
+grand_parent: Forum Posts
+parent: Bitcoin Forum
+nav_order: 219
+date: 2010-07-16 17:58:44 UTC
+original: https://bitcointalk.org/index.php?topic=403.msg3545#msg3545
+---
+
+# Re: The dollar cost of bitmining energy
+
+---
+
+```
+Re: The dollar cost of bitmining energy
+July 16, 2010, 05:58:44 PM
+
+Neat chart.
+
+Difficulty just increased by 4 times, so now your cost is US$0.02/BTC.
+```