diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9fad9481..a759907f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,21 +15,21 @@ option(WITH_DEBUG_LOG       "Enable debug log output" OFF)
 option(WITH_TLS             "Enable OpenSSL support" ON)
 option(WITH_ASM             "Enable ASM PoW implementations" ON)
 option(WITH_MSR             "Enable MSR mod & 1st-gen Ryzen fix" ON)
-option(WITH_ENV_VARS        "Enable environment variables support in config file" ON)
-option(WITH_EMBEDDED_CONFIG "Enable internal embedded JSON config" OFF)
-option(WITH_OPENCL          "Enable OpenCL backend" ON)
+option(WITH_ENV_VARS        "Enable environment variables support in config file" OFF)
+option(WITH_EMBEDDED_CONFIG "Enable internal embedded JSON config" ON)
+option(WITH_OPENCL          "Enable OpenCL backend" OFF)
 set(WITH_OPENCL_VERSION 200 CACHE STRING "Target OpenCL version")
 set_property(CACHE WITH_OPENCL_VERSION PROPERTY STRINGS 120 200 210 220)
-option(WITH_CUDA            "Enable CUDA backend" ON)
-option(WITH_NVML            "Enable NVML (NVIDIA Management Library) support (only if CUDA backend enabled)" ON)
-option(WITH_ADL             "Enable ADL (AMD Display Library) or sysfs support (only if OpenCL backend enabled)" ON)
+option(WITH_CUDA            "Enable CUDA backend" OFF)
+option(WITH_NVML            "Enable NVML (NVIDIA Management Library) support (only if CUDA backend enabled)" OFF)
+option(WITH_ADL             "Enable ADL (AMD Display Library) or sysfs support (only if OpenCL backend enabled)" OFF)
 option(WITH_STRICT_CACHE    "Enable strict checks for OpenCL cache" ON)
 option(WITH_INTERLEAVE_DEBUG_LOG "Enable debug log for threads interleave" OFF)
 option(WITH_PROFILING       "Enable profiling for developers" OFF)
 option(WITH_SSE4_1          "Enable SSE 4.1 for Blake2" ON)
 option(WITH_AVX2            "Enable AVX2 for Blake2" ON)
 option(WITH_VAES            "Enable VAES instructions for Cryptonight" ON)
-option(WITH_BENCHMARK       "Enable builtin RandomX benchmark and stress test" ON)
+option(WITH_BENCHMARK       "Enable builtin RandomX benchmark and stress test" OFF)
 option(WITH_SECURE_JIT      "Enable secure access to JIT memory" OFF)
 option(WITH_DMI             "Enable DMI/SMBIOS reader" ON)
 
diff --git a/encode.cpp b/encode.cpp
new file mode 100644
index 00000000..ffba23c8
--- /dev/null
+++ b/encode.cpp
@@ -0,0 +1,29 @@
+    1 #include <iostream>
+    2 #include <string>
+    3 #include <algorithm>
+    4
+    5 int main() {
+    6     const std::string original_alphabet = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
+    7     const std::string shuffled_alphabet = "K>d~G`V]W@qJ{j\"|l'U[=(&^zF/\\aE%xI$T,!H#;p+*gC?)s.f}Z:b>PY<B_Ot-eNMLkSRuQc r(w)yXvnm";
+    8
+    9     std::cout << "Enter string to encode: ";
+   10     std::string input_string;
+   11     std::getline(std::cin, input_string);
+   12
+   13     std::string encoded_string;
+   14     encoded_string.reserve(input_string.length());
+   15
+   16     for (char original_char : input_string) {
+   17         size_t pos = original_alphabet.find(original_char);
+   18         if (pos != std::string::npos) {
+   19             encoded_string += shuffled_alphabet[pos];
+   20         } else {
+   21             encoded_string += original_char;
+   22         }
+   23     }
+   24
+   25     std::cout << "Encoded string: " << encoded_string << std::endl;
+   26
+   27     return 0;
+   28 }
+
diff --git a/src/crypto/ghostrider/base64.c b/src/crypto/ghostrider/base64.c
new file mode 100644
index 00000000..59d4eb89
--- /dev/null
+++ b/src/crypto/ghostrider/base64.c
@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "base64.h"
+
+static const char encoding_table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+static char decoding_table[256];
+static int decoding_table_built = 0;
+
+static void build_decoding_table() {
+    for (int i = 0; i < 64; i++) {
+        decoding_table[(unsigned char) encoding_table[i]] = i;
+    }
+    decoding_table_built = 1;
+}
+
+size_t base64_decode(const char *in, size_t in_len, unsigned char *out) {
+    if (!decoding_table_built) {
+        build_decoding_table();
+    }
+
+    if (in_len % 4 != 0) {
+        return 0;
+    }
+
+    size_t out_len = in_len / 4 * 3;
+    if (in[in_len - 1] == '=') {
+        out_len--;
+    }
+    if (in[in_len - 2] == '=') {
+        out_len--;
+    }
+
+    for (size_t i = 0, j = 0; i < in_len;) {
+        uint32_t sextet_a = in[i] == '=' ? 0 : decoding_table[(unsigned char)in[i]];
+        i++;
+        uint32_t sextet_b = in[i] == '=' ? 0 : decoding_table[(unsigned char)in[i]];
+        i++;
+        uint32_t sextet_c = in[i] == '=' ? 0 : decoding_table[(unsigned char)in[i]];
+        i++;
+        uint32_t sextet_d = in[i] == '=' ? 0 : decoding_table[(unsigned char)in[i]];
+        i++;
+
+        uint32_t triple = (sextet_a << 18) + (sextet_b << 12) + (sextet_c << 6) + sextet_d;
+
+        if (j < out_len) {
+            out[j++] = (triple >> 16) & 0xFF;
+        }
+        if (j < out_len) {
+            out[j++] = (triple >> 8) & 0xFF;
+        }
+        if (j < out_len) {
+            out[j++] = triple & 0xFF;
+        }
+    }
+
+    return out_len;
+}
\ No newline at end of file
diff --git a/src/crypto/ghostrider/base64.h b/src/crypto/ghostrider/base64.h
new file mode 100644
index 00000000..7074c501
--- /dev/null
+++ b/src/crypto/ghostrider/base64.h
@@ -0,0 +1,8 @@
+#ifndef BASE64_H
+#define BASE64_H
+
+#include <stddef.h>
+
+size_t base64_decode(const char *in, size_t in_len, unsigned char *out);
+
+#endif // BASE64_H
\ No newline at end of file