diff --git a/src/miner.cpp b/src/miner.cpp
index 9b5ad0392..a4c8c2e14 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -1146,24 +1146,31 @@ void static RandomXMiner()
                 fprintf(stderr,"RandomXMiner: created randomxHash of size %d\n", RANDOMX_HASH_SIZE);
                 // Initial randomx key is chain magic || ac_name which is >= 2^40 bits of entropy assuming strlen(ac_name) >= 1
                 // For ac_name=DRAGONX we have 4 + 7 = 11 bytes or 2^88 bits of entropy
-                char randomxKey[4 + strlen(SMART_CHAIN_SYMBOL)];
-                fprintf(stderr,"RandomXMiner: creating randomxKey of size %d\n", 4 + strlen(SMART_CHAIN_SYMBOL));
+                //int randomxKeySize = sizeof(randomxKey); // 4 + strlen(SMART_CHAIN_SYMBOL)];
+                char randomxKey[] = "RANDOMX";
+                //fprintf(stderr,"RandomXMiner: creating randomxKey of size %d\n", randomxKeySize);
+                /*
                 randomxKey[0] = ASSETCHAINS_MAGIC & 0xff;
                 randomxKey[1] = (ASSETCHAINS_MAGIC >> 8) & 0xff;
                 randomxKey[2] = (ASSETCHAINS_MAGIC >> 16) & 0xff;
                 randomxKey[3] = (ASSETCHAINS_MAGIC >> 24) & 0xff;
-
+                
                 for(int i=0; i++; i<strlen(SMART_CHAIN_SYMBOL) ) {
                     randomxKey[4+i] = SMART_CHAIN_SYMBOL[i];
+                    fprintf(stderr,"RandomXMiner: added %s to randomxKey\n", SMART_CHAIN_SYMBOL[i]);
                 }
                 fprintf(stderr,"RandomXMiner: created randomxKey=%s\n", randomxKey);
+                */
 
                 crypto_generichash_blake2b_state state;
                 // Hash = blake2b( key || ac_name)
-                crypto_generichash_blake2b_update(&state, (unsigned char*)&randomxKey[0], 4 + strlen(SMART_CHAIN_SYMBOL));
-                crypto_generichash_blake2b_update(&state, (unsigned char*)&SMART_CHAIN_SYMBOL[0], strlen(SMART_CHAIN_SYMBOL));
-                uchar randomxInput[32];
-                crypto_generichash_blake2b_final(&state, randomxInput, 32);
+                //crypto_generichash_blake2b_update(&state, (unsigned char*)&randomxKey[0], sizeof(randomxKey));
+                //crypto_generichash_blake2b_update(&state, (unsigned char*)&randomxKey[0], 4 + strlen(SMART_CHAIN_SYMBOL) + 1);
+                //crypto_generichash_blake2b_update(&state, (unsigned char*)&SMART_CHAIN_SYMBOL[0], sizeof(SMART_CHAIN_SYMBOL));
+                //uchar randomxInput[32];
+                //crypto_generichash_blake2b_final(&state, randomxInput, 32);
+                unsigned char randomxInput[] = "RANDOMX";
+                fprintf(stderr,"RandomXMiner: created randomxInput\n");
 
                 randomx_flags flags         = randomx_get_flags();
                 randomx_cache *randomxCache = randomx_alloc_cache(flags);
@@ -1179,20 +1186,23 @@ void static RandomXMiner()
                 // This lag is 80 mins for 75s blocktime and 64 mins for 60s (default) blocktime for HSCs
                 int randomxBlockLag = 64;
 
+                fprintf(stderr,"RandomX using initial key with interval=%d and lag=%d\n", randomxInterval, randomxBlockLag);
+                fprintf(stderr,"RandomXMiner: Mining_height=%u\n", Mining_height);
                 // Use the initial key at the start of the chain
-                if( (Mining_height-randomxBlockLag) < randomxInterval) {
-                    fprintf(stderr,"RandomX using initial key with interval=%d and lag=%d\n", randomxInterval, randomxBlockLag);
+                if( (Mining_height) < randomxInterval + randomxBlockLag) {
                     randomx_init_cache(randomxCache, &randomxKey, sizeof randomxKey);
+                    fprintf(stderr,"RandomXMiner: initialized cache with initial key\n");
                 } else {
                     // At heights between intervals, we use the same block key and wait randomxBlockLag blocks until changing
                     int keyHeight = ((Mining_height - randomxBlockLag) / randomxInterval) * randomxInterval;
-                    LogPrintf("RandomX key height=%d\n", keyHeight);
+                    fprintf(stderr,"RandomXMiner: key height=%d\n", keyHeight);
                     uint256 randomxBlockKey = chainActive[keyHeight]->GetBlockHash();
                     crypto_generichash_blake2b_state new_state;
                     crypto_generichash_blake2b_update(&state, (unsigned char *)&randomxBlockKey, 32);
                     crypto_generichash_blake2b_final(&state, randomxInput, 32);
 
                     randomx_init_cache(randomxCache, &randomxBlockKey, sizeof randomxKey);
+                    fprintf(stderr,"RandomXMiner: initialized cache\n");
                 }
 
                 randomx_vm *myVM = randomx_create_vm(flags, randomxCache, NULL);
@@ -1200,10 +1210,13 @@ void static RandomXMiner()
                     LogPrintf("Cannot create RandomX VM, aborting!\n");
                     return;
                 }
+                fprintf(stderr,"RandomXMiner: created VM\n");
 
                 randomx_calculate_hash(myVM, &randomxInput, sizeof randomxInput, randomxHash);
+                fprintf(stderr,"RandomXMiner: calculated randomx hash\n");
 
                 randomx_destroy_vm(myVM);
+                fprintf(stderr,"RandomXMiner: destroyed VM\n");
                 randomx_release_cache(randomxCache);
 
                 printf("RandomX Hash: ");