diff --git a/releases/firmware-btc-v9.20.0/assertion-benma.sig b/releases/firmware-btc-v9.20.0/assertion-benma.sig
new file mode 100644
index 000000000..4378d65f3
Binary files /dev/null and b/releases/firmware-btc-v9.20.0/assertion-benma.sig differ
diff --git a/releases/firmware-btc-v9.20.0/assertion.txt b/releases/firmware-btc-v9.20.0/assertion.txt
new file mode 100644
index 000000000..dc220cd19
--- /dev/null
+++ b/releases/firmware-btc-v9.20.0/assertion.txt
@@ -0,0 +1,8 @@
+By signing this file, the signer confirms that the firmware binary built from:
+
+git tag firmware-btc-only/v9.20.0
+git commit hash e8285f8b2370e2687343a0a25f1f861bc59f0769
+
+resulted, at the time of signing, in a firmware binary file with the following sha256sum:
+
+b6d3152f3b601bb8bace731a392221d510b50929f3e40fe258534f7bdd4f5f86
diff --git a/releases/firmware-v9.20.0/assertion-benma.sig b/releases/firmware-v9.20.0/assertion-benma.sig
new file mode 100644
index 000000000..557492a64
Binary files /dev/null and b/releases/firmware-v9.20.0/assertion-benma.sig differ
diff --git a/releases/firmware-v9.20.0/assertion.txt b/releases/firmware-v9.20.0/assertion.txt
new file mode 100644
index 000000000..333c3593c
--- /dev/null
+++ b/releases/firmware-v9.20.0/assertion.txt
@@ -0,0 +1,8 @@
+By signing this file, the signer confirms that the firmware binary built from:
+
+git tag firmware/v9.20.0
+git commit hash e8285f8b2370e2687343a0a25f1f861bc59f0769
+
+resulted, at the time of signing, in a firmware binary file with the following sha256sum:
+
+8f43ba379c025242ca1313b7cb36b20aca750845c4d2c630dc31a6ed162c32a3