diff --git a/evm/src/cpu/kernel/asm/hash/blake/compression.asm b/evm/src/cpu/kernel/asm/hash/blake/compression.asm
index cfa47f64..e805f923 100644
--- a/evm/src/cpu/kernel/asm/hash/blake/compression.asm
+++ b/evm/src/cpu/kernel/asm/hash/blake/compression.asm
@@ -2,6 +2,10 @@
     PUSH 0
 %endmacro
 
+%macro blake_compression_message_addr
+    PUSH 16
+%endmacro
+
 global blake_compression:
     // stack: h_0, ..., h_7, t_0, t_1, f_0, f_1, m_0, ..., m_15
     %blake_compression_internal_state_addr
@@ -16,6 +20,58 @@ global blake_compression:
     PUSH 0
     // stack: 0, start + 8, t_0, t_1, f_0, f_1, m_0, ..., m_15
     %rep 4
+        // stack: i, loc, ...
+        DUP2
+        DUP2
+        // stack: i, loc, i, loc,...
+        %blake_iv
+        // stack: IV_i, loc, i, loc,...
+        SWAP1
+        // stack: loc, IV_i, i, loc,...
+        %mstore_kernel_general
+        // stack: i, loc,...
+        %increment
+        SWAP1
+        %increment
+        SWAP1
+        // stack: i + 1, loc + 1,...
+    %endrep
+    %rep 4
+        // stack: i, loc, val, next_val, next_val,...
+        %stack (i, loc, val) -> (i, val, loc, i, loc)
+        // stack: i, val, loc, i, loc, next_val,...
+        %blake_iv
+        // stack: IV_i, val, loc, i, loc, next_val,...
+        XOR
+        // stack: val ^ IV_i, loc, i, loc, next_val,...
+        SWAP1
+        // stack: loc, val ^ IV_i, i, loc, next_val,...
+        %mstore_kernel_general
+        // stack: i, loc, next_val,...
+        %increment
+        SWAP1
+        %increment
+        SWAP1
+        // stack: i + 1, loc + 1, next_val,...
+    %endrep
+    // stack: 8, loc + 16, m_0, ..., m_15
+    POP
+    POP
+    // stack: m_0, ..., m_15
+    %blake_compression_message_addr
+    // stack: addr, m_0, ..., m_15
+    %rep 16
         
     %endrep
+    PUSH 0
+    // stack: round=0, m_0, ..., m_15
+compression_loop:
+    // stack: round, m_0, ..., m_15
+    PUSH 0
+    DUP2
+    // stack: round, 0, round, m_0, ..., m_15
+    %blake_permutation
+    // stack: s[0], round, m_0, ..., m_15
+    
+
 
diff --git a/evm/src/cpu/kernel/asm/hash/blake/constants.asm b/evm/src/cpu/kernel/asm/hash/blake/constants.asm
deleted file mode 100644
index d647df37..00000000
--- a/evm/src/cpu/kernel/asm/hash/blake/constants.asm
+++ /dev/null
@@ -1,56 +0,0 @@
-global blake_iv_const:
-    // IV constants (big-endian)
-
-    // IV_0
-    BYTES 106, 9, 230, 103
-    BYTES 243, 188, 201, 8
-
-    // IV_1
-    BYTES 187, 103, 174, 133
-    BYTES 132, 202, 167, 59
-
-    // IV_2
-    BYTES 60, 110, 243, 114
-    BYTES 254, 148, 248, 43
-
-    // IV_3
-    BYTES 165, 79, 245, 58
-    BYTES 95, 29, 54, 241
-
-    // IV_4
-    BYTES 81, 14, 82, 127
-    BYTES 173, 230, 130, 209
-
-    // IV_5
-    BYTES 155, 5, 104, 140
-    BYTES 43, 62, 108, 31
-
-    // IV_6
-    BYTES 31, 131, 217, 171
-    BYTES 251, 65, 189, 107
-
-    // IV_7
-    BYTES 91, 224, 205, 25
-    BYTES 19, 126, 33, 121
-
-%macro blake_iv(i)
-    PUSH blake_iv_const
-    // stack: blake_iv_const
-    PUSH $i
-    // stack: i, blake_iv_const
-    %mul_const(2)
-    ADD
-    // stack: blake_iv_const + 2 * i
-    DUP1
-    // stack: blake_iv_const + 2 * i, blake_iv_const + 2 * i
-    %increment
-    // stack: blake_iv_const + 2 * i, blake_iv_const + 2 * i
-    %mload_kernel_code
-    SWAP1
-    %increment
-    // stack: IV_i[32:], IV_i[:32]
-    %shl_const(32)
-    // stack: IV_i[32:] << 32, IV_i[:32]
-    ADD
-    // stack: IV_i
-%endmacro
\ No newline at end of file
diff --git a/evm/src/cpu/kernel/asm/hash/blake/ops.asm b/evm/src/cpu/kernel/asm/hash/blake/ops.asm
index c83ace55..e587abef 100644
--- a/evm/src/cpu/kernel/asm/hash/blake/ops.asm
+++ b/evm/src/cpu/kernel/asm/hash/blake/ops.asm
@@ -22,4 +22,4 @@
     %as_u64
     // stack: (value << (64 - rot)) % (1 << 64), value >> rot
     ADD
-%endmacro
\ No newline at end of file
+%endmacro
diff --git a/evm/src/cpu/kernel/asm/hash/blake/permutations.asm b/evm/src/cpu/kernel/asm/hash/blake/permutations.asm
index ba7ad291..b1997e2f 100644
--- a/evm/src/cpu/kernel/asm/hash/blake/permutations.asm
+++ b/evm/src/cpu/kernel/asm/hash/blake/permutations.asm
@@ -160,13 +160,15 @@ permutation_9_constants:
     BYTES 13
     BYTES 0
 
-%macro blake_permutation(round, i)
+%macro blake_permutation
+    // stack: round, i
     PUSH permutation_1_constants
-    PUSH $round
+    // stack: permutation_1_constants, round, i
+    SWAP1
+    // stack: round, permutation_1_constants, i
     %mod_const(10)
     %mul_const(16)
     ADD
     %add_const($i)
     %mload_kernel_code
 %endmacro
-    
\ No newline at end of file