diff --git a/w1/1s/w11s1_coin_flipper b/w1/1s/w11s1_coin_flipper
new file mode 100644
index 00000000000..45b1b0ea4ec
--- /dev/null
+++ b/w1/1s/w11s1_coin_flipper
@@ -0,0 +1 @@
+{"name":"W11S1_coin_flipper","vers":"0.1.0","deps":[{"name":"rand","req":"^0.8","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null}],"cksum":"133a90661646bb6c15f61625f845b8afed8be8ed1f7840491d9e8674d0dc13b7","features":{},"yanked":false}