diff --git a/jrx/.gitignore b/jrx/.gitignore
index c21f6dd..3d4888a 100644
--- a/jrx/.gitignore
+++ b/jrx/.gitignore
@@ -1,2 +1,3 @@
 dist
 src/jex_include
+docs
diff --git a/jrx/jex.eterms b/jrx/jex.eterms
index 8ca46d0..92fea89 100644
--- a/jrx/jex.eterms
+++ b/jrx/jex.eterms
@@ -4,6 +4,6 @@
 {version, "0.1.0"}.
 {deps, ["local-tweetnacl-1.0.3",
         "local-awcp-0.2.3",
-        "local-vdk_aecrypt-0.1.0",
+        "local-vdk_aecrypt-0.1.2",
         "local-vdk_aeser-0.1.0",
         "local-vdk_binary-0.1.0"]}.
diff --git a/jrx/src/b_lib.ts b/jrx/src/b_lib.ts
index 04121af..5f04aab 100644
--- a/jrx/src/b_lib.ts
+++ b/jrx/src/b_lib.ts
@@ -52,7 +52,7 @@
 
 
 import * as awcp        from './jex_include/local-awcp-0.2.3/dist/awcp.js';
-import * as vdk_aecrypt from './jex_include/local-vdk_aecrypt-0.1.0/dist/vdk_aecrypt.js';
+import * as vdk_aecrypt from './jex_include/local-vdk_aecrypt-0.1.2/dist/vdk_aecrypt.js';
 import * as vdk_aeser   from './jex_include/local-vdk_aeser-0.1.0/dist/vdk_aeser.js';
 import * as vdk_binary  from './jex_include/local-vdk_binary-0.1.0/dist/vdk_binary.js';
 
@@ -402,7 +402,9 @@ msg_sign
         // use nacl detached signatures
         // https://github.com/aeternity/aepp-sdk-js/blob/5df22dd297abebc0607710793a7234e6761570d4/src/utils/crypto.ts#L141-L143
         // https://github.com/aeternity/aepp-sdk-js/blob/5df22dd297abebc0607710793a7234e6761570d4/src/utils/crypto.ts#L160-L167
+        //console.error('hi 1');
         let hashed_salted_msg : Uint8Array = vdk_aecrypt.hash_and_salt_msg(msg_str);
+        //console.error('hi 2');
         // @ts-ignore yes nacl is stupid
         let signature         : Uint8Array = nacl.sign.detached(hashed_salted_msg, secret_key);
         let signature_str     : string     = vdk_binary.bytes_to_hex_str(signature);
diff --git a/libs/vdk_aecrypt/jex.eterms b/libs/vdk_aecrypt/jex.eterms
index 0d9809e..95d0948 100644
--- a/libs/vdk_aecrypt/jex.eterms
+++ b/libs/vdk_aecrypt/jex.eterms
@@ -1,6 +1,6 @@
 {type, library}.
 {realm, local}.
 {name, vdk_aecrypt}.
-{version, "0.1.1"}.
+{version, "0.1.2"}.
 {deps, ["local-blakejs-1.2.1",
         "local-vdk_binary-0.1.0"]}.
diff --git a/libs/vdk_aecrypt/src/vdk_aecrypt.ts b/libs/vdk_aecrypt/src/vdk_aecrypt.ts
index 2d0adf6..764e0e3 100644
--- a/libs/vdk_aecrypt/src/vdk_aecrypt.ts
+++ b/libs/vdk_aecrypt/src/vdk_aecrypt.ts
@@ -119,6 +119,7 @@ hash
     (data_bytes : Uint8Array)
     : Uint8Array
 {
+    // console.error('hash!');
     return blake2b.blake2b(data_bytes,      // bytes to hash
                            undefined,       // key (optional)
                            32);             // resulting byte length
diff --git a/utils/jex/notes.md b/utils/jex/notes.md
index 25c320d..82db940 100644
--- a/utils/jex/notes.md
+++ b/utils/jex/notes.md
@@ -1,4 +1,8 @@
 - need separate development and release modes
+    - dev: use latest versions of every package, then "freeze"
+    - dev: warn if using not latest version
+    - dev: build versions
+    - dev: new version must be strictly greater than latest release
 - external packages need an external version and a jex version
 - external packages don't need their own docs
 - need to build tarballs for entire realm