diff --git a/OpenCL/m01770_a0-optimized.cl b/OpenCL/m21000_a0-optimized.cl
similarity index 97%
rename from OpenCL/m01770_a0-optimized.cl
rename to OpenCL/m21000_a0-optimized.cl
index ebca7fe35..c7cfa5b8d 100644
--- a/OpenCL/m01770_a0-optimized.cl
+++ b/OpenCL/m21000_a0-optimized.cl
@@ -125,7 +125,7 @@ DECLSPEC void sha512_transform_opt (const u32x *w0, const u32x *w1, const u32x *
   digest[7] = h;
 }
 
-KERNEL_FQ void m01770_m04 (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_m04 (KERN_ATTR_RULES ())
 {
   /**
    * modifier
@@ -266,15 +266,15 @@ KERNEL_FQ void m01770_m04 (KERN_ATTR_RULES ())
   }
 }
 
-KERNEL_FQ void m01770_m08 (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_m08 (KERN_ATTR_RULES ())
 {
 }
 
-KERNEL_FQ void m01770_m16 (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_m16 (KERN_ATTR_RULES ())
 {
 }
 
-KERNEL_FQ void m01770_s04 (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_s04 (KERN_ATTR_RULES ())
 {
   /**
    * modifier
@@ -427,10 +427,10 @@ KERNEL_FQ void m01770_s04 (KERN_ATTR_RULES ())
   }
 }
 
-KERNEL_FQ void m01770_s08 (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_s08 (KERN_ATTR_RULES ())
 {
 }
 
-KERNEL_FQ void m01770_s16 (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_s16 (KERN_ATTR_RULES ())
 {
 }
diff --git a/OpenCL/m01770_a0-pure.cl b/OpenCL/m21000_a0-pure.cl
similarity index 97%
rename from OpenCL/m01770_a0-pure.cl
rename to OpenCL/m21000_a0-pure.cl
index b69f9528c..247fc3b3d 100644
--- a/OpenCL/m01770_a0-pure.cl
+++ b/OpenCL/m21000_a0-pure.cl
@@ -16,7 +16,7 @@
 #include "inc_hash_sha512.cl"
 #endif
 
-KERNEL_FQ void m01770_mxx (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_mxx (KERN_ATTR_RULES ())
 {
   /**
    * modifier
@@ -87,7 +87,7 @@ KERNEL_FQ void m01770_mxx (KERN_ATTR_RULES ())
   }
 }
 
-KERNEL_FQ void m01770_sxx (KERN_ATTR_RULES ())
+KERNEL_FQ void m21000_sxx (KERN_ATTR_RULES ())
 {
   /**
    * modifier
diff --git a/OpenCL/m01770_a1-optimized.cl b/OpenCL/m21000_a1-optimized.cl
similarity index 98%
rename from OpenCL/m01770_a1-optimized.cl
rename to OpenCL/m21000_a1-optimized.cl
index 346be147f..7ff4577f7 100644
--- a/OpenCL/m01770_a1-optimized.cl
+++ b/OpenCL/m21000_a1-optimized.cl
@@ -218,7 +218,7 @@ DECLSPEC void sha512_transform_opt (const u32x *w0, const u32x *w1, const u32x *
   digest[7] = h;
 }
 
-KERNEL_FQ void m01770_m04 (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_m04 (KERN_ATTR_BASIC ())
 {
   /**
    * modifier
@@ -397,15 +397,15 @@ KERNEL_FQ void m01770_m04 (KERN_ATTR_BASIC ())
   }
 }
 
-KERNEL_FQ void m01770_m08 (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_m08 (KERN_ATTR_BASIC ())
 {
 }
 
-KERNEL_FQ void m01770_m16 (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_m16 (KERN_ATTR_BASIC ())
 {
 }
 
-KERNEL_FQ void m01770_s04 (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_s04 (KERN_ATTR_BASIC ())
 {
   /**
    * modifier
@@ -596,10 +596,10 @@ KERNEL_FQ void m01770_s04 (KERN_ATTR_BASIC ())
   }
 }
 
-KERNEL_FQ void m01770_s08 (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_s08 (KERN_ATTR_BASIC ())
 {
 }
 
-KERNEL_FQ void m01770_s16 (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_s16 (KERN_ATTR_BASIC ())
 {
 }
diff --git a/OpenCL/m01770_a1-pure.cl b/OpenCL/m21000_a1-pure.cl
similarity index 97%
rename from OpenCL/m01770_a1-pure.cl
rename to OpenCL/m21000_a1-pure.cl
index 3c57255d6..f5782bbd4 100644
--- a/OpenCL/m01770_a1-pure.cl
+++ b/OpenCL/m21000_a1-pure.cl
@@ -14,7 +14,7 @@
 #include "inc_hash_sha512.cl"
 #endif
 
-KERNEL_FQ void m01770_mxx (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_mxx (KERN_ATTR_BASIC ())
 {
   /**
    * modifier
@@ -83,7 +83,7 @@ KERNEL_FQ void m01770_mxx (KERN_ATTR_BASIC ())
   }
 }
 
-KERNEL_FQ void m01770_sxx (KERN_ATTR_BASIC ())
+KERNEL_FQ void m21000_sxx (KERN_ATTR_BASIC ())
 {
   /**
    * modifier
diff --git a/OpenCL/m01770_a3-optimized.cl b/OpenCL/m21000_a3-optimized.cl
similarity index 95%
rename from OpenCL/m01770_a3-optimized.cl
rename to OpenCL/m21000_a3-optimized.cl
index 541110eab..768ba9e02 100644
--- a/OpenCL/m01770_a3-optimized.cl
+++ b/OpenCL/m21000_a3-optimized.cl
@@ -218,7 +218,7 @@ DECLSPEC void sha512_transform_opt (const u32x *w0, const u32x *w1, const u32x *
   digest[7] = h;
 }
 
-DECLSPEC void m01770m (u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
+DECLSPEC void m21000m (u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
 {
   /**
    * modifier
@@ -311,7 +311,7 @@ DECLSPEC void m01770m (u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
   }
 }
 
-DECLSPEC void m01770s (u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
+DECLSPEC void m21000s (u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
 {
   /**
    * modifier
@@ -416,7 +416,7 @@ DECLSPEC void m01770s (u32 *w, const u32 pw_len, KERN_ATTR_VECTOR ())
   }
 }
 
-KERNEL_FQ void m01770_m04 (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_m04 (KERN_ATTR_VECTOR ())
 {
   /**
    * base
@@ -451,10 +451,10 @@ KERNEL_FQ void m01770_m04 (KERN_ATTR_VECTOR ())
    * main
    */
 
-  m01770m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
+  m21000m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
 }
 
-KERNEL_FQ void m01770_m08 (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_m08 (KERN_ATTR_VECTOR ())
 {
   /**
    * base
@@ -489,10 +489,10 @@ KERNEL_FQ void m01770_m08 (KERN_ATTR_VECTOR ())
    * main
    */
 
-  m01770m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
+  m21000m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
 }
 
-KERNEL_FQ void m01770_m16 (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_m16 (KERN_ATTR_VECTOR ())
 {
   /**
    * base
@@ -527,10 +527,10 @@ KERNEL_FQ void m01770_m16 (KERN_ATTR_VECTOR ())
    * main
    */
 
-  m01770m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
+  m21000m (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
 }
 
-KERNEL_FQ void m01770_s04 (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_s04 (KERN_ATTR_VECTOR ())
 {
   /**
    * base
@@ -565,10 +565,10 @@ KERNEL_FQ void m01770_s04 (KERN_ATTR_VECTOR ())
    * main
    */
 
-  m01770s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
+  m21000s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
 }
 
-KERNEL_FQ void m01770_s08 (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_s08 (KERN_ATTR_VECTOR ())
 {
   /**
    * base
@@ -603,10 +603,10 @@ KERNEL_FQ void m01770_s08 (KERN_ATTR_VECTOR ())
    * main
    */
 
-  m01770s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
+  m21000s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
 }
 
-KERNEL_FQ void m01770_s16 (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_s16 (KERN_ATTR_VECTOR ())
 {
   /**
    * base
@@ -641,5 +641,5 @@ KERNEL_FQ void m01770_s16 (KERN_ATTR_VECTOR ())
    * main
    */
 
-  m01770s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
+  m21000s (w, pw_len, pws, rules_buf, combs_buf, words_buf_r, tmps, hooks, bitmaps_buf_s1_a, bitmaps_buf_s1_b, bitmaps_buf_s1_c, bitmaps_buf_s1_d, bitmaps_buf_s2_a, bitmaps_buf_s2_b, bitmaps_buf_s2_c, bitmaps_buf_s2_d, plains_buf, digests_buf, hashes_shown, salt_bufs, esalt_bufs, d_return_buf, d_extra0_buf, d_extra1_buf, d_extra2_buf, d_extra3_buf, bitmap_mask, bitmap_shift1, bitmap_shift2, salt_pos, loop_pos, loop_cnt, il_cnt, digests_cnt, digests_offset, combs_mode, gid_max);
 }
diff --git a/OpenCL/m01770_a3-pure.cl b/OpenCL/m21000_a3-pure.cl
similarity index 97%
rename from OpenCL/m01770_a3-pure.cl
rename to OpenCL/m21000_a3-pure.cl
index 3a4a27c14..7ff68d9cb 100644
--- a/OpenCL/m01770_a3-pure.cl
+++ b/OpenCL/m21000_a3-pure.cl
@@ -14,7 +14,7 @@
 #include "inc_hash_sha512.cl"
 #endif
 
-KERNEL_FQ void m01770_mxx (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_mxx (KERN_ATTR_VECTOR ())
 {
   /**
    * modifier
@@ -96,7 +96,7 @@ KERNEL_FQ void m01770_mxx (KERN_ATTR_VECTOR ())
   }
 }
 
-KERNEL_FQ void m01770_sxx (KERN_ATTR_VECTOR ())
+KERNEL_FQ void m21000_sxx (KERN_ATTR_VECTOR ())
 {
   /**
    * modifier
diff --git a/docs/readme.txt b/docs/readme.txt
index 6ab191951..9e36b73ce 100644
--- a/docs/readme.txt
+++ b/docs/readme.txt
@@ -92,7 +92,6 @@ NVIDIA GPUs require "NVIDIA Driver" (418.56 or later) and "CUDA Toolkit" (10.1 o
 - sha512($salt.$pass)
 - sha512(utf16le($pass).$salt)
 - sha512($salt.utf16le($pass))
-- BitShares v0.x - sha512(sha512(pass))
 - HMAC-MD5 (key = $pass)
 - HMAC-MD5 (key = $salt)
 - HMAC-SHA1 (key = $pass)
diff --git a/src/modules/module_01770.c b/src/modules/module_21000.c
similarity index 99%
rename from src/modules/module_01770.c
rename to src/modules/module_21000.c
index a12c4b53f..f3a631193 100644
--- a/src/modules/module_01770.c
+++ b/src/modules/module_21000.c
@@ -18,7 +18,7 @@ static const u32   DGST_POS3      = 7;
 static const u32   DGST_SIZE      = DGST_SIZE_8_8;
 static const u32   HASH_CATEGORY  = HASH_CATEGORY_RAW_HASH;
 static const char *HASH_NAME      = "BitShares v0.x - sha512(sha512(pass))";
-static const u64   KERN_TYPE      = 1770;
+static const u64   KERN_TYPE      = 21000;
 static const u32   OPTI_TYPE      = OPTI_TYPE_ZERO_BYTE
                                   | OPTI_TYPE_PRECOMPUTE_INIT
                                   | OPTI_TYPE_EARLY_SKIP
diff --git a/tools/test_modules/m01770.pm b/tools/test_modules/m21000.pm
similarity index 100%
rename from tools/test_modules/m01770.pm
rename to tools/test_modules/m21000.pm