diff --git a/pkg/urbit/include/noun/log.h b/pkg/urbit/include/noun/log.h
index 204cb8505..07ab2296c 100644
--- a/pkg/urbit/include/noun/log.h
+++ b/pkg/urbit/include/noun/log.h
@@ -2,8 +2,18 @@
 **
 */
 
-/* u3_log(): logs to stderr or redirects to configured function.
+/* u3l_log(): logs to stderr or redirects to configured function.
 */
   void
   u3l_log(const char* format, ...)
     __attribute__ ((format (printf, 1, 2)));
+
+/* u3l_punt(): condtionally logs a named punt
+ *             (e.g. "mint-punt" for the `name` "mint")
+ *             when `pro` is u3_none, and returns pro.
+ *             For use when a jet driver declines to handle
+ *             a core, when the user should be somehow notified
+ *             (e.g. in a cryptographic jet).
+ */
+  u3_weak
+  u3l_punt(const char* name, u3_weak pro);
diff --git a/pkg/urbit/jets/e/aes_cbc.c b/pkg/urbit/jets/e/aes_cbc.c
index 793304ad4..b561efa44 100644
--- a/pkg/urbit/jets/e/aes_cbc.c
+++ b/pkg/urbit/jets/e/aes_cbc.c
@@ -57,7 +57,7 @@ typedef int (*urcrypt_cbc)(c3_y**,
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_cbca_en(a, b, c);
+      return u3l_punt("cbca-en", _cqea_cbca_en(a, b, c));
     }
   }
 
@@ -81,7 +81,7 @@ typedef int (*urcrypt_cbc)(c3_y**,
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_cbca_de(a, b, c);
+      return u3l_punt("cbca-de", _cqea_cbca_de(a, b, c));
     }
   }
 
@@ -105,7 +105,7 @@ typedef int (*urcrypt_cbc)(c3_y**,
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_cbcb_en(a, b, c);
+      return u3l_punt("cbcb-en", _cqea_cbcb_en(a, b, c));
     }
   }
 
@@ -129,7 +129,7 @@ typedef int (*urcrypt_cbc)(c3_y**,
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_cbcb_de(a, b, c);
+      return u3l_punt("cbcb-de", _cqea_cbcb_de(a, b, c));
     }
   }
 
@@ -153,7 +153,7 @@ typedef int (*urcrypt_cbc)(c3_y**,
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_cbcc_en(a, b, c);
+      return u3l_punt("cbcc-en", _cqea_cbcc_en(a, b, c));
     }
   }
 
@@ -177,6 +177,6 @@ typedef int (*urcrypt_cbc)(c3_y**,
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_cbcc_de(a, b, c);
+      return u3l_punt("cbcc-de", _cqea_cbcc_de(a, b, c));
     }
   }
diff --git a/pkg/urbit/jets/e/aes_ecb.c b/pkg/urbit/jets/e/aes_ecb.c
index 9ea9c59ed..d350bc808 100644
--- a/pkg/urbit/jets/e/aes_ecb.c
+++ b/pkg/urbit/jets/e/aes_ecb.c
@@ -46,7 +46,7 @@ typedef int (*urcrypt_ecb)(c3_y*, c3_y[16], c3_y[16]);
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_ecba_en(a, b);
+      return u3l_punt("ecba-en", _cqea_ecba_en(a, b));
     }
   }
 
@@ -69,7 +69,7 @@ typedef int (*urcrypt_ecb)(c3_y*, c3_y[16], c3_y[16]);
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_ecba_de(a, b);
+      return u3l_punt("ecba-de", _cqea_ecba_de(a, b));
     }
   }
 
@@ -92,7 +92,7 @@ typedef int (*urcrypt_ecb)(c3_y*, c3_y[16], c3_y[16]);
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_ecbb_en(a, b);
+      return u3l_punt("ecbb-en", _cqea_ecbb_en(a, b));
     }
   }
 
@@ -115,7 +115,7 @@ typedef int (*urcrypt_ecb)(c3_y*, c3_y[16], c3_y[16]);
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_ecbb_de(a, b);
+      return u3l_punt("ecbb-de", _cqea_ecbb_de(a, b));
     }
   }
 
@@ -138,7 +138,7 @@ typedef int (*urcrypt_ecb)(c3_y*, c3_y[16], c3_y[16]);
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_ecbc_en(a, b);
+      return u3l_punt("ecbc-en", _cqea_ecbc_en(a, b));
     }
   }
 
@@ -161,6 +161,6 @@ typedef int (*urcrypt_ecb)(c3_y*, c3_y[16], c3_y[16]);
          c3n == u3ud(b) ) {
       return u3m_bail(c3__exit);
     } else {
-      return _cqea_ecbc_de(a, b);
+      return u3l_punt("ecbc-de", _cqea_ecbc_de(a, b));
     }
   }
diff --git a/pkg/urbit/jets/e/aes_siv.c b/pkg/urbit/jets/e/aes_siv.c
index 326c2311b..a891eb431 100644
--- a/pkg/urbit/jets/e/aes_siv.c
+++ b/pkg/urbit/jets/e/aes_siv.c
@@ -161,15 +161,6 @@ _cqea_siv_de(c3_y*   key_y,
   }
 }
 
-static u3_noun
-_cqea_siv_punt(c3_y* nam_y, u3_noun val)
-{
-  if ( u3_none == val ) {
-    u3l_log("%s-punt\r\n", nam_y);
-  }
-  return val;
-}
-
 // the siv* hoon doesn't explicitly check keysizes, but all of these functions
 // have fixed maximum keysizes, so we will punt if we get a key that is too
 // large.
@@ -201,7 +192,7 @@ u3wea_siva_en(u3_noun cor)
        c3n == u3ud(txt) ) {
     return u3m_bail(c3__exit);
   } else {
-    return _cqea_siv_punt("siva-en", _cqea_siva_en(key, ads, txt));
+    return u3l_punt("siva-en", _cqea_siva_en(key, ads, txt));
   }
 }
 
@@ -237,7 +228,7 @@ u3wea_siva_de(u3_noun cor)
        c3n == u3ud(txt) ) {
     return u3m_bail(c3__exit);
   } else {
-    return _cqea_siv_punt("siva-de", _cqea_siva_de(key, ads, iv, len, txt));
+    return u3l_punt("siva-de", _cqea_siva_de(key, ads, iv, len, txt));
   }
 }
 
@@ -269,7 +260,7 @@ u3wea_sivb_en(u3_noun cor)
        c3n == u3ud(txt) ) {
     return u3m_bail(c3__exit);
   } else {
-    return _cqea_siv_punt("sivb-en", _cqea_sivb_en(key, ads, txt));
+    return u3l_punt("sivb-en", _cqea_sivb_en(key, ads, txt));
   }
 }
 
@@ -305,7 +296,7 @@ u3wea_sivb_de(u3_noun cor)
        c3n == u3ud(txt) ) {
     return u3m_bail(c3__exit);
   } else {
-    return _cqea_siv_punt("sivb-de", _cqea_sivb_de(key, ads, iv, len, txt));
+    return u3l_punt("sivb-de", _cqea_sivb_de(key, ads, iv, len, txt));
   }
 }
 
@@ -336,7 +327,7 @@ u3wea_sivc_en(u3_noun cor)
        c3n == u3ud(txt) ) {
     return u3m_bail(c3__exit);
   } else {
-    return _cqea_siv_punt("sivc-en", _cqea_sivc_en(key, ads, txt));
+    return u3l_punt("sivc-en", _cqea_sivc_en(key, ads, txt));
   }
 }
 
@@ -372,6 +363,6 @@ u3wea_sivc_de(u3_noun cor)
        c3n == u3ud(txt) ) {
     return u3m_bail(c3__exit);
   } else {
-    return _cqea_siv_punt("sivc-de", _cqea_sivc_de(key, ads, iv, len, txt));
+    return u3l_punt("sivc-de", _cqea_sivc_de(key, ads, iv, len, txt));
   }
 }
diff --git a/pkg/urbit/jets/e/argon2.c b/pkg/urbit/jets/e/argon2.c
index b9c9415ac..e2f2e9bf3 100644
--- a/pkg/urbit/jets/e/argon2.c
+++ b/pkg/urbit/jets/e/argon2.c
@@ -55,7 +55,6 @@
                 u3r_word_fit(&ted_w, threads) &&
                 u3r_word_fit(&mem_w, mem_cost) &&
                 u3r_word_fit(&tim_w, time_cost)) ) {
-      u3l_log("%s\r\n", "argon2-punt");
       return u3_none;
     }
     else {
@@ -86,7 +85,7 @@
       }
       else {
         ret = u3_none;
-        u3l_log("argon2-punt: %s\r\n", err_c);
+        u3l_log("argon2-error: %s\r\n", err_c);
       }
 
       u3a_free(out_y);
@@ -130,9 +129,10 @@
       return u3m_bail(c3__exit);
     }
     else {
-      return _cqe_argon2(out, type, version,
-                         threads, mem_cost, time_cost,
-                         wik, key, wix, extra,
-                         wid, dat, wis, sat);
+      return u3l_punt("argon2",
+          _cqe_argon2(out, type, version,
+                      threads, mem_cost, time_cost,
+                      wik, key, wix, extra,
+                      wid, dat, wis, sat));
     }
   }
diff --git a/pkg/urbit/jets/e/blake.c b/pkg/urbit/jets/e/blake.c
index eb36ba87d..1770a3f89 100644
--- a/pkg/urbit/jets/e/blake.c
+++ b/pkg/urbit/jets/e/blake.c
@@ -34,7 +34,6 @@
         return u3i_bytes(out_w, out_y);
       }
       else {
-        u3l_log("%s\r\n", "blake2-punt: library error");
         return u3_none;
       }
     }
@@ -56,6 +55,6 @@
     {
       return u3m_bail(c3__exit);
     } else {
-      return _cqe_blake(wid, dat, wik, dak, out);
+      return u3l_punt("blake", _cqe_blake(wid, dat, wik, dak, out));
     }
   }
diff --git a/pkg/urbit/jets/e/ed_add_double_scalarmult.c b/pkg/urbit/jets/e/ed_add_double_scalarmult.c
index af73d5964..e3f01950d 100644
--- a/pkg/urbit/jets/e/ed_add_double_scalarmult.c
+++ b/pkg/urbit/jets/e/ed_add_double_scalarmult.c
@@ -41,6 +41,7 @@
     {
       return u3m_bail(c3__exit);
     } else {
-      return _cqee_add_double_scalarmult(a, b, c, d);
+      return u3l_punt("add-double-scalarmult",
+                      _cqee_add_double_scalarmult(a, b, c, d));
     }
   }
diff --git a/pkg/urbit/jets/e/ed_add_scalarmult_scalarmult_base.c b/pkg/urbit/jets/e/ed_add_scalarmult_scalarmult_base.c
index 2db437aec..26dd69994 100644
--- a/pkg/urbit/jets/e/ed_add_scalarmult_scalarmult_base.c
+++ b/pkg/urbit/jets/e/ed_add_scalarmult_scalarmult_base.c
@@ -38,6 +38,7 @@
     {
       return u3m_bail(c3__exit);
     } else {
-      return _cqee_add_scalarmult_scalarmult_base(a, b, c);
+      return u3l_punt("add-scalarmult-scalarmult-base",
+                      _cqee_add_scalarmult_scalarmult_base(a, b, c));
     }
   }
diff --git a/pkg/urbit/jets/e/ed_point_add.c b/pkg/urbit/jets/e/ed_point_add.c
index 2a5da2938..dfa52502e 100644
--- a/pkg/urbit/jets/e/ed_point_add.c
+++ b/pkg/urbit/jets/e/ed_point_add.c
@@ -35,6 +35,6 @@
     {
       return u3m_bail(c3__exit);
     } else {
-      return _cqee_point_add(a, b);
+      return u3l_punt("point-add", _cqee_point_add(a, b));
     }
   }
diff --git a/pkg/urbit/jets/e/ed_scalarmult.c b/pkg/urbit/jets/e/ed_scalarmult.c
index 97c88c4f6..136d51af2 100644
--- a/pkg/urbit/jets/e/ed_scalarmult.c
+++ b/pkg/urbit/jets/e/ed_scalarmult.c
@@ -35,6 +35,6 @@
     {
       return u3m_bail(c3__exit);
     } else {
-      return _cqee_scalarmult(a, b);
+      return u3l_punt("scalarmult", _cqee_scalarmult(a, b));
     }
   }
diff --git a/pkg/urbit/jets/e/ed_scalarmult_base.c b/pkg/urbit/jets/e/ed_scalarmult_base.c
index 9756e65a5..965ba8b22 100644
--- a/pkg/urbit/jets/e/ed_scalarmult_base.c
+++ b/pkg/urbit/jets/e/ed_scalarmult_base.c
@@ -30,6 +30,6 @@
       return u3m_bail(c3__exit);
     }
     else {
-      return _cqee_scalarmult_base(a);
+      return u3l_punt("scalarmult-base", _cqee_scalarmult_base(a));
     }
   }
diff --git a/pkg/urbit/jets/e/ed_shar.c b/pkg/urbit/jets/e/ed_shar.c
index 7db4e6175..e26b0627c 100644
--- a/pkg/urbit/jets/e/ed_shar.c
+++ b/pkg/urbit/jets/e/ed_shar.c
@@ -35,6 +35,6 @@
     {
       return u3m_bail(c3__exit);
     } else {
-      return _cqee_shar(pub, sek);
+      return u3l_punt("shar", _cqee_shar(pub, sek));
     }
   }
diff --git a/pkg/urbit/jets/e/ed_veri.c b/pkg/urbit/jets/e/ed_veri.c
index c4a4b6f2d..51ac20c13 100644
--- a/pkg/urbit/jets/e/ed_veri.c
+++ b/pkg/urbit/jets/e/ed_veri.c
@@ -37,6 +37,6 @@
                          u3x_sam_7, &c, 0) ) {
       return u3m_bail(c3__fail);
     } else {
-      return _cqee_veri(a, b, c);
+      return u3l_punt("veri", _cqee_veri(a, b, c));
     }
   }
diff --git a/pkg/urbit/jets/e/ripe.c b/pkg/urbit/jets/e/ripe.c
index 971a04b2c..457068d47 100644
--- a/pkg/urbit/jets/e/ripe.c
+++ b/pkg/urbit/jets/e/ripe.c
@@ -18,13 +18,10 @@
       c3_y out_y[20];
       c3_y *dat_y = u3r_bytes_alloc(0, len_w, dat);
 
-      if ( 0 == urcrypt_ripemd160(dat_y, len_w, out_y) ) {
-        ret = u3i_bytes(20, out_y);
-      }
-      else {
-        u3l_log("%s\r\n", "ripemd160-punt");
-        ret = u3_none;
-      }
+      ret = ( 0 == urcrypt_ripemd160(dat_y, len_w, out_y) )
+          ? u3i_bytes(20, out_y)
+          : u3_none;
+
       u3a_free(dat_y);
       return ret;
     }
@@ -43,6 +40,6 @@
       return u3m_bail(c3__exit);
     }
     else {
-      return _cqe_ripe(wid, dat);
+      return u3l_punt("ripe", _cqe_ripe(wid, dat));
     }
   }
diff --git a/pkg/urbit/noun/log.c b/pkg/urbit/noun/log.c
index 8d58fef29..866a7430e 100644
--- a/pkg/urbit/noun/log.c
+++ b/pkg/urbit/noun/log.c
@@ -26,3 +26,12 @@ u3l_log(const char* format, ...)
 
   va_end(myargs);
 }
+
+u3_weak
+u3l_punt(const char* name, u3_weak pro)
+{
+  if ( u3_none == pro ) {
+    u3l_log("%s-punt\r\n", name);
+  }
+  return pro;
+}