diff --git a/rc.local b/rc.local
index 3db476a..3dbca3a 100644
--- a/rc.local
+++ b/rc.local
@@ -42,6 +42,7 @@ screen -dmS myr-gr $STRATUM_DIR/run.sh myr-gr
 screen -dmS lbry $STRATUM_DIR/run.sh lbry
 screen -dmS lyra2 $STRATUM_DIR/run.sh lyra2
 screen -dmS lyra2v2 $STRATUM_DIR/run.sh lyra2v2
+screen -dmS zero $STRATUM_DIR/run.sh lyra2z
 
 screen -dmS blakecoin $STRATUM_DIR/run.sh blakecoin # blake 8
 screen -dmS blake $STRATUM_DIR/run.sh blake
diff --git a/stratum/algos/Lyra2.c b/stratum/algos/Lyra2.c
index 46ff09b..dbcc3fa 100644
--- a/stratum/algos/Lyra2.c
+++ b/stratum/algos/Lyra2.c
@@ -44,7 +44,7 @@
  *
  * @return 0 if the key is generated correctly; -1 if there is an error (usually due to lack of memory for allocation)
  */
-int LYRA2(void *K, int64_t kLen, const void *pwd, int32_t pwdlen, const void *salt, int32_t saltlen, int64_t timeCost, const int16_t nRows, const int16_t nCols)
+int LYRA2(void *K, int64_t kLen, const void *pwd, int32_t pwdlen, const void *salt, int32_t saltlen, int64_t timeCost, const int64_t nRows, const int16_t nCols)
 {
 	//============================= Basic variables ============================//
 	int64_t row = 2; //index of row to be processed
@@ -164,10 +164,10 @@ int LYRA2(void *K, int64_t kLen, const void *pwd, int32_t pwdlen, const void *sa
 
 		//Checks if all rows in the window where visited.
 		if (rowa == 0) {
-		step = window + gap; //changes the step: approximately doubles its value
-		window *= 2; //doubles the size of the re-visitation window
-		gap = -gap; //inverts the modifier to the step
-	}
+			step = window + gap; //changes the step: approximately doubles its value
+			window *= 2; //doubles the size of the re-visitation window
+			gap = -gap; //inverts the modifier to the step
+		}
 
 	} while (row < nRows);
 	//==========================================================================/
diff --git a/stratum/algos/Lyra2.h b/stratum/algos/Lyra2.h
index edf9179..e25432a 100644
--- a/stratum/algos/Lyra2.h
+++ b/stratum/algos/Lyra2.h
@@ -37,6 +37,6 @@ typedef unsigned char byte;
         #define BLOCK_LEN_BYTES (BLOCK_LEN_INT64 * 8)    //Block length, in bytes
 #endif
 
-int LYRA2(void *K, int64_t kLen, const void *pwd, int32_t pwdlen, const void *salt, int32_t saltlen, int64_t timeCost, const int16_t nRows, const int16_t nCols);
+int LYRA2(void *K, int64_t kLen, const void *pwd, int32_t pwdlen, const void *salt, int32_t saltlen, int64_t timeCost, const int64_t nRows, const int16_t nCols);
 
 #endif /* LYRA2_H_ */
diff --git a/stratum/algos/Lyra2z.c b/stratum/algos/Lyra2z.c
new file mode 100755
index 0000000..80122aa
--- /dev/null
+++ b/stratum/algos/Lyra2z.c
@@ -0,0 +1,250 @@
+/**
+ * Implementation of the Lyra2 Password Hashing Scheme (PHS).
+ *
+ * Author: The Lyra PHC team (http://www.lyra-kdf.net/) -- 2014.
+ *
+ * This software is hereby placed in the public domain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include "Lyra2.h"
+#include "Sponge.h"
+
+static __thread uint64_t *wholeMatrix = NULL;
+static __thread uint64_t **memMatrix = NULL;
+static __thread uint64_t curRows = 0;
+
+/**
+ * Executes Lyra2 based on the G function from Blake2b. This version supports salts and passwords
+ * whose combined length is smaller than the size of the memory matrix, (i.e., (nRows x nCols x b) bits,
+ * where "b" is the underlying sponge's bitrate). In this implementation, the "basil" is composed by all
+ * integer parameters (treated as type "unsigned int") in the order they are provided, plus the value
+ * of nCols, (i.e., basil = kLen || pwdlen || saltlen || timeCost || nRows || nCols).
+ *
+ * @param K The derived key to be output by the algorithm
+ * @param kLen Desired key length
+ * @param pwd User password
+ * @param pwdlen Password length
+ * @param salt Salt
+ * @param saltlen Salt length
+ * @param timeCost Parameter to determine the processing time (T)
+ * @param nRows Number or rows of the memory matrix (R)
+ * @param nCols Number of columns of the memory matrix (C)
+ *
+ * @return 0 if the key is generated correctly; -1 if there is an error (usually due to lack of memory for allocation)
+ */
+int LYRA2z(void *K, uint64_t kLen, const void *pwd, uint64_t pwdlen, const void *salt, uint64_t saltlen, uint64_t timeCost, uint64_t nRows, uint64_t nCols) {
+
+    //============================= Basic variables ============================//
+    int64_t row = 2; //index of row to be processed
+    int64_t prev = 1; //index of prev (last row ever computed/modified)
+    int64_t rowa = 0; //index of row* (a previous row, deterministically picked during Setup and randomly picked while Wandering)
+    int64_t tau; //Time Loop iterator
+    int64_t step = 1; //Visitation step (used during Setup and Wandering phases)
+    int64_t window = 2; //Visitation window (used to define which rows can be revisited during Setup)
+    int64_t gap = 1; //Modifier to the step, assuming the values 1 or -1
+    int64_t i; //auxiliary iteration counter
+    //==========================================================================/
+
+    //========== Initializing the Memory Matrix and pointers to it =============//
+    //Tries to allocate enough space for the whole memory matrix
+
+
+    const int64_t ROW_LEN_INT64 = BLOCK_LEN_INT64 * nCols;
+    const int64_t ROW_LEN_BYTES = ROW_LEN_INT64 * 8;
+
+
+    uint64_t *ptrWord = wholeMatrix;
+
+    if (!wholeMatrix || !memMatrix) {
+        curRows = nRows + 32;
+        i = (int64_t) ((int64_t) curRows * (int64_t) ROW_LEN_BYTES);
+        wholeMatrix = (uint64_t*) malloc(i);
+        if (wholeMatrix == NULL) {
+            return -1;
+        }
+
+        //Allocates pointers to each row of the matrix
+        memMatrix = malloc(sizeof(uint64_t*) * curRows);
+        if (memMatrix == NULL) {
+            return -1;
+        }
+
+        //Places the pointers in the correct positions
+        ptrWord = wholeMatrix;
+        for (i = 0; i < curRows; i++) {
+            memMatrix[i] = ptrWord;
+            ptrWord += ROW_LEN_INT64;
+        }
+    } else {
+        if (nRows > curRows) {
+            free(memMatrix); memMatrix = NULL;
+            free(wholeMatrix); wholeMatrix = NULL;
+            return -2;
+        }
+        memset(wholeMatrix, 0, nRows * ROW_LEN_BYTES);
+    }
+/*
+    i = (int64_t) ((int64_t) nRows * (int64_t) ROW_LEN_BYTES);
+    uint64_t *wholeMatrix = malloc(i);
+    if (wholeMatrix == NULL) {
+      return -1;
+    }
+    memset(wholeMatrix, 0, i);
+
+    //Allocates pointers to each row of the matrix
+    uint64_t **memMatrix = malloc(nRows * sizeof (uint64_t*));
+    if (memMatrix == NULL) {
+      return -1;
+    }
+    //Places the pointers in the correct positions
+    uint64_t *ptrWord = wholeMatrix;
+    for (i = 0; i < nRows; i++) {
+      memMatrix[i] = ptrWord;
+      ptrWord += ROW_LEN_INT64;
+    }
+*/
+    //==========================================================================/
+
+    //============= Getting the password + salt + basil padded with 10*1 ===============//
+    //OBS.:The memory matrix will temporarily hold the password: not for saving memory,
+    //but this ensures that the password copied locally will be overwritten as soon as possible
+
+    //First, we clean enough blocks for the password, salt, basil and padding
+    uint64_t nBlocksInput = ((saltlen + pwdlen + 6 * sizeof (uint64_t)) / BLOCK_LEN_BLAKE2_SAFE_BYTES) + 1;
+    byte *ptrByte = (byte*) wholeMatrix;
+    memset(ptrByte, 0, nBlocksInput * BLOCK_LEN_BLAKE2_SAFE_BYTES);
+
+    //Prepends the password
+    memcpy(ptrByte, pwd, pwdlen);
+    ptrByte += pwdlen;
+
+    //Concatenates the salt
+    memcpy(ptrByte, salt, saltlen);
+    ptrByte += saltlen;
+
+    //Concatenates the basil: every integer passed as parameter, in the order they are provided by the interface
+    memcpy(ptrByte, &kLen, sizeof (uint64_t));
+    ptrByte += sizeof (uint64_t);
+    memcpy(ptrByte, &pwdlen, sizeof (uint64_t));
+    ptrByte += sizeof (uint64_t);
+    memcpy(ptrByte, &saltlen, sizeof (uint64_t));
+    ptrByte += sizeof (uint64_t);
+    memcpy(ptrByte, &timeCost, sizeof (uint64_t));
+    ptrByte += sizeof (uint64_t);
+    memcpy(ptrByte, &nRows, sizeof (uint64_t));
+    ptrByte += sizeof (uint64_t);
+    memcpy(ptrByte, &nCols, sizeof (uint64_t));
+    ptrByte += sizeof (uint64_t);
+
+    //Now comes the padding
+    *ptrByte = 0x80; //first byte of padding: right after the password
+    ptrByte = (byte*) wholeMatrix; //resets the pointer to the start of the memory matrix
+    ptrByte += nBlocksInput * BLOCK_LEN_BLAKE2_SAFE_BYTES - 1; //sets the pointer to the correct position: end of incomplete block
+    *ptrByte ^= 0x01; //last byte of padding: at the end of the last incomplete block
+    //==========================================================================/
+
+    //======================= Initializing the Sponge State ====================//
+    //Sponge state: 16 uint64_t, BLOCK_LEN_INT64 words of them for the bitrate (b) and the remainder for the capacity (c)
+    uint64_t *state = malloc(16 * sizeof (uint64_t));
+    if (state == NULL) {
+        return -1;
+    }
+    initState(state);
+    //==========================================================================/
+
+    //================================ Setup Phase =============================//
+    //Absorbing salt, password and basil: this is the only place in which the block length is hard-coded to 512 bits
+    ptrWord = wholeMatrix;
+    for (i = 0; i < nBlocksInput; i++) {
+      absorbBlockBlake2Safe(state, ptrWord); //absorbs each block of pad(pwd || salt || basil)
+      ptrWord += BLOCK_LEN_BLAKE2_SAFE_INT64; //goes to next block of pad(pwd || salt || basil)
+    }
+
+    //Initializes M[0] and M[1]
+    reducedSqueezeRow0(state, memMatrix[0], nCols); //The locally copied password is most likely overwritten here
+    reducedDuplexRow1(state, memMatrix[0], memMatrix[1], nCols);
+
+    do {
+        //M[row] = rand; //M[row*] = M[row*] XOR rotW(rand)
+        reducedDuplexRowSetup(state, memMatrix[prev], memMatrix[rowa], memMatrix[row], nCols);
+
+
+        //updates the value of row* (deterministically picked during Setup))
+        rowa = (rowa + step) & (window - 1);
+        //update prev: it now points to the last row ever computed
+        prev = row;
+        //updates row: goes to the next row to be computed
+        row++;
+
+        //Checks if all rows in the window where visited.
+        if (rowa == 0) {
+            step = window + gap; //changes the step: approximately doubles its value
+            window *= 2; //doubles the size of the re-visitation window
+            gap = -gap; //inverts the modifier to the step
+        }
+
+    } while (row < nRows);
+    //==========================================================================/
+
+    //============================ Wandering Phase =============================//
+    row = 0; //Resets the visitation to the first row of the memory matrix
+    for (tau = 1; tau <= timeCost; tau++) {
+        //Step is approximately half the number of all rows of the memory matrix for an odd tau; otherwise, it is -1
+        step = (tau % 2 == 0) ? -1 : nRows / 2 - 1;
+        do {
+            //Selects a pseudorandom index row*
+            //------------------------------------------------------------------------------------------
+            //rowa = ((unsigned int)state[0]) & (nRows-1);	//(USE THIS IF nRows IS A POWER OF 2)
+            rowa = ((uint64_t) (state[0])) % nRows; //(USE THIS FOR THE "GENERIC" CASE)
+            //------------------------------------------------------------------------------------------
+
+            //Performs a reduced-round duplexing operation over M[row*] XOR M[prev], updating both M[row*] and M[row]
+            reducedDuplexRow(state, memMatrix[prev], memMatrix[rowa], memMatrix[row], nCols);
+
+            //update prev: it now points to the last row ever computed
+            prev = row;
+
+            //updates row: goes to the next row to be computed
+            //------------------------------------------------------------------------------------------
+            //row = (row + step) & (nRows-1);	//(USE THIS IF nRows IS A POWER OF 2)
+            row = (row + step) % nRows; //(USE THIS FOR THE "GENERIC" CASE)
+            //------------------------------------------------------------------------------------------
+
+        } while (row != 0);
+    }
+    //==========================================================================/
+
+    //============================ Wrap-up Phase ===============================//
+    //Absorbs the last block of the memory matrix
+    absorbBlock(state, memMatrix[rowa]);
+
+    //Squeezes the key
+    squeeze(state, K, kLen);
+    //==========================================================================/
+
+    //========================= Freeing the memory =============================//
+    //free(memMatrix);
+    //free(wholeMatrix);
+
+    //Wiping out the sponge's internal state before freeing it
+    memset(state, 0, 16 * sizeof (uint64_t));
+    free(state);
+    //==========================================================================/
+
+    return 0;
+}
diff --git a/stratum/algos/Lyra2z.h b/stratum/algos/Lyra2z.h
new file mode 100755
index 0000000..09b2ed9
--- /dev/null
+++ b/stratum/algos/Lyra2z.h
@@ -0,0 +1,51 @@
+/**
+ * Header file for the Lyra2 Password Hashing Scheme (PHS).
+ *
+ * Author: The Lyra PHC team (http://www.lyra-kdf.net/) -- 2014.
+ *
+ * This software is hereby placed in the public domain.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef LYRA2z_H_
+#define LYRA2z_H_
+
+#include <stdint.h>
+
+typedef unsigned char byte;
+
+//Block length required so Blake2's Initialization Vector (IV) is not overwritten (THIS SHOULD NOT BE MODIFIED)
+#define BLOCK_LEN_BLAKE2_SAFE_INT64 8                                   //512 bits (=64 bytes, =8 uint64_t)
+#define BLOCK_LEN_BLAKE2_SAFE_BYTES (BLOCK_LEN_BLAKE2_SAFE_INT64 * 8)   //same as above, in bytes
+
+
+#ifdef BLOCK_LEN_BITS
+        #define BLOCK_LEN_INT64 (BLOCK_LEN_BITS/64)      //Block length: 768 bits (=96 bytes, =12 uint64_t)
+        #define BLOCK_LEN_BYTES (BLOCK_LEN_BITS/8)       //Block length, in bytes
+#else   //default block lenght: 768 bits
+        #define BLOCK_LEN_INT64 12                       //Block length: 768 bits (=96 bytes, =12 uint64_t)
+        #define BLOCK_LEN_BYTES (BLOCK_LEN_INT64 * 8)    //Block length, in bytes
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+    int LYRA2z(void *K, uint64_t kLen, const void *pwd, uint64_t pwdlen, const void *salt, uint64_t saltlen, uint64_t timeCost, uint64_t nRows, uint64_t nCols);
+
+#ifdef __cplusplus
+}
+
+#endif
+
+#endif /* LYRA2z_H_ */
diff --git a/stratum/algos/lyra2z.c b/stratum/algos/lyra2z.c
new file mode 100644
index 0000000..b83b838
--- /dev/null
+++ b/stratum/algos/lyra2z.c
@@ -0,0 +1,39 @@
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "Lyra2z.h"
+
+#include <sha3/sph_blake.h>
+
+#define _ALIGN(x) __attribute__ ((aligned(x)))
+
+extern uint64_t lyra2z_height;
+
+void lyra2z_hash(const char* input, char* output, uint32_t len)
+{
+	uint32_t _ALIGN(64) hashB[8], hash[8];
+	sph_blake256_context ctx_blake;
+/*
+	uint64_t height = lyra2z_height;
+	// initial implementation was pure lyra2 (no blake)
+
+	if (height < 100) {
+		fprintf(stderr, "submit error, height=%u, len=%u\n", (uint32_t) height, len);
+		memset(hash, 0xff, 32);
+		return;
+	}
+	LYRA2z((void*)hash, 32, (void*)input, len, (void*)input, len, 2, height, 256);
+*/
+	sph_blake256_set_rounds(14);
+
+	sph_blake256_init(&ctx_blake);
+	sph_blake256(&ctx_blake, input, len);
+	sph_blake256_close(&ctx_blake, hashB);
+
+	LYRA2z(hash, 32, hashB, 32, hashB, 32, 8, 8, 8);
+
+	memcpy(output, hash, 32);
+}
+
diff --git a/stratum/algos/lyra2z.h b/stratum/algos/lyra2z.h
new file mode 100644
index 0000000..3de6f42
--- /dev/null
+++ b/stratum/algos/lyra2z.h
@@ -0,0 +1,16 @@
+#ifndef LYRA2Z_H
+#define LYRA2Z_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+
+void lyra2z_hash(const char* input, char* output, uint32_t len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/stratum/algos/makefile b/stratum/algos/makefile
index 8b3e328..f886585 100644
--- a/stratum/algos/makefile
+++ b/stratum/algos/makefile
@@ -8,7 +8,8 @@ CXXFLAGS = -O2 -I.. -march=native
 CFLAGS= $(CXXFLAGS) -std=gnu99
 LDFLAGS=-O2 -lgmp
 
-SOURCES=lyra2re.c lyra2v2.c Lyra2.c Sponge.c blake.c scrypt.c c11.c x11.c x13.c sha256.c keccak.c \
+SOURCES=lyra2re.c lyra2v2.c Lyra2.c lyra2z.c Lyra2z.c Sponge.c \
+	blake.c scrypt.c c11.c x11.c x13.c sha256.c keccak.c \
 	x14.c x15.c x17.c nist5.c fresh.c quark.c neoscrypt.c scryptn.c qubit.c skein.c groestl.c \
 	xevan.c \
 	skein2.c zr5.c bmw.c luffa.c pentablake.c whirlpool.c whirlpoolx.c blakecoin.c \
diff --git a/stratum/client_submit.cpp b/stratum/client_submit.cpp
index 02322fe..d54b426 100644
--- a/stratum/client_submit.cpp
+++ b/stratum/client_submit.cpp
@@ -1,6 +1,8 @@
 
 #include "stratum.h"
 
+uint64_t lyra2z_height = 0;
+
 //#define MERKLE_DEBUGLOG
 //#define HASH_DEBUGLOG_
 //#define DONTSUBMIT
@@ -445,6 +447,10 @@ bool client_submit(YAAMP_CLIENT *client, json_value *json_params)
 	else
 		build_submit_values(&submitvalues, templ, client->extranonce1, extranonce2, ntime, nonce);
 
+	if (templ->height && !strcmp(g_current_algo->name,"lyra2z")) {
+		lyra2z_height = templ->height;
+	}
+
 	// minimum hash diff begins with 0000, for all...
 	uint8_t pfx = submitvalues.hash_bin[30] | submitvalues.hash_bin[31];
 	if(pfx) {
diff --git a/stratum/coinbase.cpp b/stratum/coinbase.cpp
index c869f24..312adf5 100644
--- a/stratum/coinbase.cpp
+++ b/stratum/coinbase.cpp
@@ -105,6 +105,33 @@ void coinbase_create(YAAMP_COIND *coind, YAAMP_JOB_TEMPLATE *templ, json_value *
 		if (strlen(coind->charity_address) == 0)
 			sprintf(coind->charity_address, "BCDrF1hWdKTmrjXXVFTezPjKBmGigmaXg5");
 	}
+	else if(strcmp(coind->symbol, "XZC") == 0) {
+		char script_payee[1024];
+		if (coind->charity_percent <= 0)
+			coind->charity_percent = 25; // wrong coinbase 40 instead of 40 + 10 = 50
+
+		json_int_t charity_amount = (available * coind->charity_percent) / 100;
+
+		if (strlen(coind->charity_address) == 0)
+			sprintf(coind->charity_address, "aHu897ivzmeFuLNB6956X6gyGeVNHUBRgD");
+
+		strcat(templ->coinb2, "02");
+		job_pack_tx(coind, templ->coinb2, available, NULL);
+		base58_decode("aCAgTPgtYcA4EysU4UKC86EQd5cTtHtCcr", script_payee);
+		job_pack_tx(coind, templ->coinb2, charity_amount/5, script_payee);
+		base58_decode(coind->charity_address, script_payee); // may change
+		job_pack_tx(coind, templ->coinb2, charity_amount/5, script_payee);
+		base58_decode("aQ18FBVFtnueucZKeVg4srhmzbpAeb1KoN", script_payee);
+		job_pack_tx(coind, templ->coinb2, charity_amount/5, script_payee);
+		base58_decode("a1HwTdCmQV3NspP2QqCGpehoFpi8NY4Zg3", script_payee);
+		job_pack_tx(coind, templ->coinb2, charity_amount/5, script_payee);
+		base58_decode("a1kCCGddf5pMXSipLVD9hBG2MGGVNaJ15U", script_payee);
+		job_pack_tx(coind, templ->coinb2, charity_amount/5, script_payee);
+		strcat(templ->coinb2, "00000000"); // locktime
+
+		coind->reward = (double)available/100000000*coind->reward_mul;
+		return;
+	}
 	else if(strcmp("DCR", coind->rpcencoding) == 0) {
 		coind->reward_mul = 6;  // coinbase value is wrong, reward_mul should be 6
 		coind->charity_percent = 0;
diff --git a/stratum/config.sample/lyra2z.conf b/stratum/config.sample/lyra2z.conf
new file mode 100644
index 0000000..cf3033b
--- /dev/null
+++ b/stratum/config.sample/lyra2z.conf
@@ -0,0 +1,16 @@
+[TCP]
+server = yaamp.com
+port = 4553
+password = tu8tu5
+
+[SQL]
+host = yaampdb
+database = yaamp
+username = root
+password = patofpaq
+
+[STRATUM]
+algo = lyra2
+difficulty = 1
+max_ttf = 40000
+
diff --git a/stratum/stratum.cpp b/stratum/stratum.cpp
index df0e6a7..740c285 100644
--- a/stratum/stratum.cpp
+++ b/stratum/stratum.cpp
@@ -106,6 +106,7 @@ YAAMP_ALGO g_algos[] =
 
 	{"lyra2", lyra2re_hash, 0x80, 0, 0},
 	{"lyra2v2", lyra2v2_hash, 0x100, 0, 0},
+	{"lyra2z", lyra2z_hash, 0x100, 0, 0},
 
 	{"blake", blake_hash, 1, 0 },
 	{"blakecoin", blakecoin_hash, 1 /*0x100*/, 0, sha256_hash_hex },
diff --git a/stratum/stratum.h b/stratum/stratum.h
index ea78749..6c14d1a 100644
--- a/stratum/stratum.h
+++ b/stratum/stratum.h
@@ -142,6 +142,7 @@ void sha256_double_hash_hex(const char *input, char *output, unsigned int len);
 #include "algos/neoscrypt.h"
 #include "algos/lyra2re.h"
 #include "algos/lyra2v2.h"
+#include "algos/lyra2z.h"
 #include "algos/blake.h"
 #include "algos/blakecoin.h"
 #include "algos/blake2.h"
diff --git a/web/yaamp/core/backend/coins.php b/web/yaamp/core/backend/coins.php
index e8d8945..66d8679 100644
--- a/web/yaamp/core/backend/coins.php
+++ b/web/yaamp/core/backend/coins.php
@@ -131,19 +131,19 @@ function BackendCoinsUpdate()
 				if($coin->symbol == 'TAC' && isset($template['_V2']))
 					$coin->charity_amount = $template['_V2']/100000000;
 
-				if(isset($template['payee_amount']) && $coin->symbol != 'LIMX')
-				{
+				if(isset($template['payee_amount']) && $coin->symbol != 'LIMX') {
 					$coin->charity_amount = $template['payee_amount']/100000000;
 					$coin->reward -= $coin->charity_amount;
-
-				//	debuglog("$coin->symbol $coin->charity_amount $coin->reward");
 				}
 
-				else if(!empty($coin->charity_address))
-				{
-					if($coin->charity_amount)
-						;	//$coin->reward -= $coin->charity_amount;
-					else
+				else if($coin->symbol == 'XZC') {
+					// coinbasevalue here is the amount available for miners, not the full block amount
+					$coin->reward = arraySafeVal($template,'coinbasevalue')/100000000 * $coin->reward_mul;
+					$coin->charity_amount = $coin->reward * $coin->charity_percent / 100;
+				}
+
+				else if(!empty($coin->charity_address)) {
+					if(!$coin->charity_amount)
 						$coin->reward -= $coin->reward * $coin->charity_percent / 100;
 				}
 
diff --git a/web/yaamp/core/functions/yaamp.php b/web/yaamp/core/functions/yaamp.php
index ed7d533..b0808ea 100755
--- a/web/yaamp/core/functions/yaamp.php
+++ b/web/yaamp/core/functions/yaamp.php
@@ -17,6 +17,7 @@ function yaamp_get_algos()
 		'luffa',
 		'lyra2',
 		'lyra2v2',
+		'lyra2z',
 		'neoscrypt',
 		'nist5',
 		'penta',
@@ -132,6 +133,7 @@ function getAlgoColors($algo)
 		'qubit'		=> '#d0a0f0',
 		'lyra2'		=> '#80a0f0',
 		'lyra2v2'	=> '#80c0f0',
+		'lyra2z'	=> '#80b0f0',
 		'sib'		=> '#a0a0c0',
 		'skein'		=> '#80a0a0',
 		'skein2'	=> '#c8a060',
@@ -173,6 +175,7 @@ function getAlgoPort($algo)
 		'scryptn'	=> 4333,
 		'lyra2'		=> 4433,
 		'lyra2v2'	=> 4533,
+		'lyra2z'	=> 4553,
 		'jha'		=> 4633,
 		'qubit'		=> 4733,
 		'zr5'		=> 4833,
diff --git a/web/yaamp/modules/explorer/ExplorerController.php b/web/yaamp/modules/explorer/ExplorerController.php
index 1e079f2..0a6f554 100644
--- a/web/yaamp/modules/explorer/ExplorerController.php
+++ b/web/yaamp/modules/explorer/ExplorerController.php
@@ -58,6 +58,10 @@ class ExplorerController extends CommonController
 		$id = getiparam('id');
 		$coin = getdbo('db_coins', $id);
 
+		// todo: coin explorer option
+		if ($coin && $coin->symbol == 'XZC' && !$this->admin)
+			return;
+
 		$height = getiparam('height');
 		if($coin && intval($height)>0)
 		{