diff --git a/apply_fix.sh b/apply_fix.sh
new file mode 100644
index 0000000..e38020e
--- /dev/null
+++ b/apply_fix.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+set -e
+#!/bin/bash
+git checkout -b fix/issue-27
+cat << 'EOF' > selfish_mining_solver.py
+def calculate_alpha_threshold(gamma):
+    """
+    Returns the alpha threshold for selfish mining profitability.
+    Formula: alpha > (1 - gamma) / (3 - 2 * gamma)
+    """
+    return (1 - gamma) / (3 - 2 * gamma)
+
+if __name__ == "__main__":
+    # Parameters for Bitcoin Math Puzzle #004
+    gammas = [0.0, 0.5, 1.0]
+    for g in gammas:
+        threshold = calculate_alpha_threshold(g)
+        print(f"Gamma: {g}, Alpha Threshold: {threshold:.4f}")
+EOF
+git add selfish_mining_solver.py
+git commit -m "fix: [radar] SN open bounty 2026-05-08T00:10 — Fixes #27"
diff --git a/selfish_mining_solver.py b/selfish_mining_solver.py
new file mode 100644
index 0000000..ca05e0d
--- /dev/null
+++ b/selfish_mining_solver.py
@@ -0,0 +1,14 @@
+def calculate_alpha_threshold(gamma):
+    """
+    Returns the alpha threshold for selfish mining profitability.
+    Formula: alpha > (1 - gamma) / (3 - 2 * gamma)
+    """
+    return (1 - gamma) / (3 - 2 * gamma)
+
+
+if __name__ == "__main__":
+    # Parameters for Bitcoin Math Puzzle #004
+    gammas = [0.0, 0.5, 1.0]
+    for g in gammas:
+        threshold = calculate_alpha_threshold(g)
+        print(f"Gamma: {g}, Alpha Threshold: {threshold:.4f}")