diff --git a/RUNTIME/SECTOR.refresh.sh b/RUNTIME/SECTOR.refresh.sh
index cf27a530..5cf709b5 100755
--- a/RUNTIME/SECTOR.refresh.sh
+++ b/RUNTIME/SECTOR.refresh.sh
@@ -70,8 +70,8 @@ for SECTOR in ${SECTORS[@]}; do
     G1PUB=$(${MY_PATH}/../tools/keygen -t duniter "${UPLANETNAME}${SECTOR}" "${UPLANETNAME}${SECTOR}")
     [[ ! ${G1PUB} ]] && echo "ERROR generating SECTOR WALLET" && exit 1
     COINS=$($MY_PATH/../tools/COINScheck.sh ${G1PUB} | tail -n 1)
-    echo "SECTOR : ${SECTOR} (${COINS} G1) WALLET : ${G1PUB}"
     ZEN=$(echo "($COINS - 1) * 10" | bc | cut -d '.' -f 1)
+    echo "SECTOR : ${SECTOR} (${COINS} G1 <=> ${ZEN} Z) : ${G1PUB}"
 
     ${MY_PATH}/../tools/keygen -t ipfs -o ~/.zen/tmp/${MOATS}/${SECTOR}.priv "${UPLANETNAME}${SECTOR}" "${UPLANETNAME}${SECTOR}"
     ipfs key rm ${G1PUB} > /dev/null 2>&1 ## AVOID ERROR ON IMPORT
@@ -98,11 +98,21 @@ for SECTOR in ${SECTORS[@]}; do
     # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
     #~ ## IPFS GET ONLINE YESTERDATE SECTORNS
     ipfs --timeout 240s get -o ~/.zen/tmp/${MOATS}/${SECTOR}/ /ipns/${YESTERDATENS}/
+    if [[ $? != 0 ]]; then
+        echo "(╥☁╥ ) swarm memory empty (╥☁╥ )"
+        # Try retieve memory from UPlanet Zen Memory
+        [[ ${ZEN} -gt 0 ]] \
+            && echo "Refreshing from ZEN MEMORY" \
+            && ${MY_PATH}/../RUNTIME/ZEN.memory.sh "${SECTOR}" "${MOATS}"
+    fi
     # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
     end=`date +%s`
     echo "_____SECTOR${SECTOR} GET time was "`expr $end - $start` seconds.
     # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 
+    ### ZEN
+
+
     ## CONTROL CHAIN TIME
     ZCHAIN=$(cat ~/.zen/tmp/${MOATS}/${SECTOR}/CHAIN/_chain | rev | cut -d ':' -f 1 | rev 2>/dev/null)
     ZMOATS=$(cat ~/.zen/tmp/${MOATS}/${SECTOR}/CHAIN/_moats 2>/dev/null)
@@ -305,21 +315,29 @@ for SECTOR in ${SECTORS[@]}; do
 ###################################################### CHAINING BACKUP
     IPFSPOP=$(ipfs add -rwq ~/.zen/tmp/${MOATS}/${SECTOR}/* | tail -n 1)
 
-
-
     ## DOES CHAIN CHANGED or INIT ?
     [[ ${ZCHAIN} != ${IPFSPOP} || ${ZCHAIN} == "" ]] \
         && echo "${MOATS}:${IPFSNODEID}:${IPFSPOP}" > ~/.zen/tmp/${MOATS}/${SECTOR}/CHAIN/_chain \
         && echo "${MOATS}" > ~/.zen/tmp/${MOATS}/${SECTOR}/CHAIN/_moats \
         && IPFSPOP=$(ipfs add -rwq ~/.zen/tmp/${MOATS}/${SECTOR}/* | tail -n 1) && echo "ROOT was ${ZCHAIN}"
 ######################################################
-
-        echo "% START PUBLISHING ${SECTOR} ${myIPFS}/ipns/${TODATENS}"
-        start=`date +%s`
-        ipfs name publish -k ${TODATE}${G1PUB} /ipfs/${IPFSPOP}
-        ipfs key rm ${YESTERDATE}${G1PUB} ${G1PUB} > /dev/null 2>&1
-        end=`date +%s`
-        echo "_____SECTOR${SECTOR} PUBLISH time was "`expr $end - $start` seconds.
+    ## ZEN CHAINING
+    # Send 1 Zen to UPlanet WORLDG1PUB Wallet containing REGION TW HASH
+    INTERCOM="UPLANET:${SECTOR}:${TODATE}:/ipfs/${IPFSPOP}"
+    echo "> ${INTERCOM}"
+    if [[ ${ZEN} -gt 0 ]]; then
+        echo "---8<--- SECTOR ZEN CHAINING ---8<------8<----"
+        ${MY_PATH}/../tools/keygen -t duniter -o ~/.zen/tmp/${MOATS}/sector.dunikey "${UPLANETNAME}${SECTOR}" "${UPLANETNAME}${SECTOR}"
+        ${MY_PATH}/../tools/PAY4SURE.sh ~/.zen/tmp/${MOATS}/sector.dunikey "0.1" "${WORLDG1PUB}" "${INTERCOM}"
+        rm ~/.zen/tmp/${MOATS}/sector.dunikey
+    fi
+    ##############################################################
+    ## PUBLISHING ${SECTOR}
+    ###############################
+    echo "% PUBLISHING ${SECTOR} ${myIPFS}/ipns/${TODATENS}"
+    start=`date +%s`
+    ipfs name publish -k ${TODATE}${G1PUB} /ipfs/${IPFSPOP}
+    ipfs key rm ${YESTERDATE}${G1PUB} ${G1PUB} > /dev/null 2>&1
 
 ######################################################
 
@@ -340,6 +358,8 @@ for SECTOR in ${SECTORS[@]}; do
 
     ## TODO FILTER INFORMATION WITH MULTIPLE SIGNATURES (DONE in REGION.refresh.sh)
     ## TODO EXPORT AS RSS ## https://talk.tiddlywiki.org/t/has-anyone-generated-an-rss-feed-from-tiddlywiki/966/28
+    end=`date +%s`
+    echo "_____SECTOR${SECTOR} TREATMENT time was "`expr $end - $start` seconds.
 
 done
 
diff --git a/RUNTIME/ZEN.memory.sh b/RUNTIME/ZEN.memory.sh
new file mode 100755
index 00000000..eb270f53
--- /dev/null
+++ b/RUNTIME/ZEN.memory.sh
@@ -0,0 +1,55 @@
+################################################################################
+# Author: Fred (support@qo-op.com)
+# Version: 0.1
+# License: AGPL-3.0 (https://choosealicense.com/licenses/agpl-3.0/)
+################################################################################
+#~ ZEN.memory.sh
+#~ Search for last "UPLANET:$1:..." in UPLANETG1PUB wallet history
+#~ INTERCOM="UPLANET:${SECTOR}:${TODATE}:/ipfs/${IPFSPOP}" TX COMMENT are made during SECTOR.refresh.sh
+#~ ~/.zen/tmp/${MOATS}/${SECTOR} <=> "/ipfs/$ipfs_pop"
+################################################################################
+################################################################################
+MY_PATH="`dirname \"$0\"`"              # relative
+MY_PATH="`( cd \"$MY_PATH\" && pwd )`"  # absolutized and normalized
+. "${MY_PATH}/../tools/my.sh"
+################################################################################
+
+SECTOR="$1"
+[[ $SECTOR == "" ]] && echo "MISSING SECTOR MEMORY ADRESS" && exit 1
+MOATS="$2"
+
+## CHECK FOR BAD PARAM
+[[ ! -d ~/.zen/tmp/${MOATS-empty}/${SECTOR-empty}/ ]] \
+    && echo "BAD ~/.zen/tmp/${MOATS}/${SECTOR}" \
+    && exit 1
+
+## STARTING
+start=`date +%s`
+
+## EXTRACT WORLDG1PUB HISTORY
+${MY_PATH}/timeout.sh -t 20 $MY_PATH/jaklis/jaklis.py history -n 300 -p ${WORLDG1PUB} -j \
+    > ~/.zen/tmp/${MOATS}/${WORLDG1PUB}.g1history.json
+
+## SCAN FOR UPLANET:${SECTOR} in TX
+if [[ -s ~/.zen/tmp/${MOATS}/${WORLDG1PUB}.g1history.json ]]; then
+
+    intercom=$(jq -r '.[] | select(.comment | test("UPLANET:'"${SECTOR}"'")) | .comment' ~/.zen/tmp/${MOATS}/${WORLDG1PUB}.g1history.json)
+    ipfs_pop=$(echo "$intercom" | grep -oP 'UPLANET:'"${SECTOR}"':/ipfs/\K[^"]+')
+    todate=$(echo "$intercom" | grep -oP 'UPLANET:'"${SECTOR}"':\K[^:]*')
+    echo "SYNC ~/.zen/tmp/${MOATS}/${SECTOR} <=> /ipfs/$ipfs_pop"
+
+    if [[ $ipfs_pop ]]; then
+        echo "from $todate memory slot"
+        ipfs --timeout 90s get -o ~/.zen/tmp/${MOATS}/${SECTOR} /ipfs/$ipfs_pop
+        end=`date +%s`
+        echo "(${SECTOR}) ${todate} get time : "`expr $end - $start` seconds.
+    else
+        echo "WARNING cannot remember... scan for more TX ??!"
+    fi
+
+else
+    echo "FATAL ERROR cannot access to WORLDG1PUB history"
+    exit 1
+fi
+
+exit 0