diff --git a/cyphernodeconf_docker/templates/gatekeeper/api.properties b/cyphernodeconf_docker/templates/gatekeeper/api.properties
index 35b0ac4..2a50779 100644
--- a/cyphernodeconf_docker/templates/gatekeeper/api.properties
+++ b/cyphernodeconf_docker/templates/gatekeeper/api.properties
@@ -53,6 +53,8 @@ action_addtobatch=spender
 action_batchspend=spender
 action_deriveindex=spender
 action_derivepubpath=spender
+action_deriveindex_bitcoind=spender
+action_derivepubpath_bitcoind=spender
 action_ln_pay=spender
 action_ln_newaddr=spender
 action_ots_stamp=spender
diff --git a/cyphernodeconf_docker/templates/installer/config.sh b/cyphernodeconf_docker/templates/installer/config.sh
index 65950c5..f54fcd5 100644
--- a/cyphernodeconf_docker/templates/installer/config.sh
+++ b/cyphernodeconf_docker/templates/installer/config.sh
@@ -33,3 +33,4 @@ OTSCLIENT_DATAPATH=<%= otsclient_datapath %>
 <% if ( bitcoin_mode==="internal" ) { %>
 BITCOIN_DATAPATH=<%= bitcoin_datapath %>
 <% } %>
+BITCOIN_NETWORK=<%= net %>
diff --git a/proxy_docker/Dockerfile b/proxy_docker/Dockerfile
index fb57860..967b4ee 100644
--- a/proxy_docker/Dockerfile
+++ b/proxy_docker/Dockerfile
@@ -6,7 +6,9 @@ RUN apk add --update --no-cache \
     sqlite \
     jq \
     curl \
-    su-exec
+    su-exec \
+    py3-pip \
+    xxd
 
 WORKDIR ${HOME}
 
@@ -21,7 +23,8 @@ COPY --from=eclipse-mosquitto:1.6-openssl /usr/lib/libssl* /usr/lib/
 
 RUN chmod +x startproxy.sh requesthandler.sh lightning-cli sqlmigrate*.sh waitanyinvoice.sh tests/* \
  && chmod o+w . \
- && mkdir db
+ && mkdir db \
+ && pip3 install base58
 
 VOLUME ["${HOME}/db", "/.lightning"]
 
diff --git a/proxy_docker/app/script/bitcoin.sh b/proxy_docker/app/script/bitcoin.sh
index 4266046..e851eef 100644
--- a/proxy_docker/app/script/bitcoin.sh
+++ b/proxy_docker/app/script/bitcoin.sh
@@ -1,9 +1,9 @@
 #!/bin/sh
 
 . ./trace.sh
+. ./sendtobitcoinnode.sh
 
-deriveindex()
-{
+deriveindex() {
   trace "Entering deriveindex()..."
 
   local index=${1}
@@ -11,8 +11,6 @@ deriveindex()
 
   local pub32=$DERIVATION_PUB32
   local path=$(echo -e "$DERIVATION_PATH" | sed -En "s/n/${index}/p")
-  #  pub32=$(grep "derivation.pub32" config.properties | cut -d'=' -f2)
-  #  path=$(grep "derivation.path" config.properties | cut -d'=' -f2 | sed -En "s/n/${index}/p")
 
   local data="{\"pub32\":\"${pub32}\",\"path\":\"${path}\"}"
   trace "[deriveindex] data=${data}"
@@ -30,8 +28,7 @@ derivepubpath() {
   return $?
 }
 
-send_to_pycoin()
-{
+send_to_pycoin() {
   trace "Entering send_to_pycoin()..."
 
   local data=${1}
@@ -69,3 +66,403 @@ lowercase_if_bech32() {
 
   echo "${address}"
 }
+
+convert_pub32() {
+  trace "Entering convert_pub32()..."
+
+  local pub32_from=${1}
+  local to_type=${2}
+  local payload
+  local sha256sum1
+  local sha256sum2
+  local checksum
+  local pub32_dest
+
+  case "${to_type}" in
+    tpub)
+      versionbytes="043587cf"
+      ;;
+    upub)
+      versionbytes="044a5262"
+      ;;
+    vpub)
+      versionbytes="045f1cf6"
+      ;;
+    xpub)
+      versionbytes="0488b21e"
+      ;;
+    ypub)
+      versionbytes="049d7cb2"
+      ;;
+    zpub)
+      versionbytes="04b24746"
+      ;;
+    *)
+      return 1
+      ;;
+  esac
+
+  payload=$(echo -n "${versionbytes}$(echo -n "${pub32_from}" | base58 -d | xxd -s 4 -ps -c 74 -l 74)")
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[convert_pub32] payload=${payload}"
+
+  # sha256sum 1:
+  sha256sum1=$(echo -n "${payload}" | xxd -r -ps | sha256sum -b | cut -d' ' -f1 | tr -d "\n")
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[convert_pub32] sha256sum1=${sha256sum1}"
+
+  # sha256sum 2:
+  sha256sum2=$(echo -n "${sha256sum1}" | xxd -r -ps | sha256sum -b)
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[convert_pub32] sha256sum2=${sha256sum2}"
+
+  # checksum:
+  checksum=$(echo -n "${sha256sum2}" | xxd -r -ps | xxd -l 4 -ps)
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[convert_pub32] checksum=${checksum}"
+
+  # pub32_dest:
+  pub32_dest=$(echo -n "${payload}${checksum}" | xxd -r -ps | base58)
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[convert_pub32] pub32_dest=${pub32_dest}"
+
+  echo "${pub32_dest}"
+}
+
+bitcoind_derive_addresses() {
+  trace "Entering bitcoind_derive_addresses()..."
+
+  local pub32
+  local path
+  local xpub
+  local index
+  local path_without_index
+  local from_n
+  local to_n
+  local range
+  local descfunc
+  local partialdescriptor
+  local descriptor
+  local data
+  local response
+  local returncode
+
+  # This is the xpub/ypub/zpub/tpub/upub/vpub
+  pub32=${1}
+  trace "[bitcoind_derive_addresses] pub32=${pub32}"
+
+  # This is the path in the form 1/2/8 or 1/2/3-8
+  path=${2}
+  trace "[bitcoind_derive_addresses] path=${path}"
+
+  # This is the pub32 converted to xpub
+  if [ "${BITCOIN_NETWORK}" = "mainnet" ]; then
+    xpub=$(convert_pub32 "${pub32}" "xpub")
+  else
+    xpub=$(convert_pub32 "${pub32}" "tpub")
+  fi
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[bitcoind_derive_addresses] xpub=${xpub}"
+
+  # t='1/2/3-8' && echo ${t%/*} && echo ${t##*/}
+  # 1/2
+  # 3-8
+  # t='1/2/8' && echo ${t%/*} && echo ${t##*/}
+  # 1/2
+  # 8
+
+  # This is the index in the form 3-8 or 8
+  index=$(echo ${path##*/})
+  trace "[bitcoind_derive_addresses] index=${index}"
+
+  # This is the path without the index, like 1/2
+  path_without_index=$(echo ${path%/*})
+  trace "[bitcoind_derive_addresses] path_without_index=${path_without_index}"
+
+  # This is the starting index, eg for 3-8 it is 3
+  from_n=$(echo "${index}" | cut -d '-' -f1)
+  trace "[bitcoind_derive_addresses] from_n=${from_n}"
+
+  # This is the ending index, eg for 3-8 it is 8
+  # For 8 it is 8
+  to_n=$(echo "${index}" | cut -d '-' -f2)
+  trace "[bitcoind_derive_addresses] to_n=${to_n}"
+
+  # If starting and ending index are the same, there's no range to derive, just the index
+  if [ "${from_n}" -eq "${to_n}" ]; then
+    partialdescriptor="${xpub}/${path}"
+  else
+    range="[${from_n},${to_n}]"
+    trace "[bitcoind_derive_addresses] range=${range}"
+    partialdescriptor="${xpub}/${path_without_index}/*"
+  fi
+  trace "[bitcoind_derive_addresses] partialdescriptor=${partialdescriptor}"
+
+  # Build the descriptor based on the given pub32 prefix
+  case ${pub32} in
+    xpub*|tpub*) descriptor="pkh(${partialdescriptor})"
+    ;;
+    ypub*|upub*) descriptor="sh(wpkh(${partialdescriptor}))"
+    ;;
+    zpub*|vpub*) descriptor="wpkh(${partialdescriptor})"
+    ;;
+  esac
+  trace "[bitcoind_derive_addresses] descriptor=${descriptor}"
+
+  # Get the descriptor with checksum
+  data='{"method":"getdescriptorinfo","params":["'${descriptor}'"]}'
+  trace "[bitcoind_derive_addresses] data=${data}"
+  descriptor=$(send_to_watcher_node "${data}" | jq -r ".result.descriptor")
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[bitcoind_derive_addresses] descriptor=${descriptor}"
+
+  # Derive the addresses
+  if [ -z "${range}" ]; then
+    data='{"method":"deriveaddresses","params":["'${descriptor}'"]}'
+  else
+    data='{"method":"deriveaddresses","params":{"descriptor":"'${descriptor}'","range":'${range}'}}'
+  fi
+  trace "[bitcoind_derive_addresses] data=${data}"
+  addresses=$(send_to_watcher_node "${data}" | jq -Mc ".result")
+  returncode=$?
+  trace_rc ${returncode}
+  trace "[bitcoind_derive_addresses] addresses=${addresses}"
+
+  echo "${addresses}"
+
+  return ${returncode}
+}
+
+deriveindex_bitcoind() {
+  trace "Entering deriveindex_bitcoind()..."
+
+  # index can be in the form n or n-m, ie. 12 or 12-19
+  # 12 will only derive one address at index 12
+  # 12-19 will derive 8 addresses at indexes 12 to 19
+  local index=${1}
+  trace "[deriveindex_bitcoind] index=${index}"
+
+  local pub32=${DERIVATION_PUB32}
+  trace "[deriveindex_bitcoind] pub32=${pub32}"
+
+  local path=$(echo -e "$DERIVATION_PATH" | sed -En "s/n/${index}/p")
+  trace "[deriveindex_bitcoind] path=${path}"
+
+  bitcoind_derive_addresses "${pub32}" "${path}"
+
+  return $?
+}
+
+derivepubpath_bitcoind() {
+  trace "Entering derivepubpath_bitcoind()..."
+
+  # {"pub32":"tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk","path":"0/25-30"}
+
+  local pub32
+  local path
+
+  # This is the xpub/ypub/zpub/tpub/upub/vpub
+  pub32=$(echo "${1}" | jq -r ".pub32")
+  trace "[derivepubpath_bitcoind] pub32=${pub32}"
+
+  # This is the path in the form 1/2 or 1/2-8
+  path=$(echo "${1}" | jq -r ".path")
+  trace "[derivepubpath_bitcoind] path=${path}"
+
+  bitcoind_derive_addresses "${pub32}" "${path}"
+
+  return $?
+}
+
+# xpub = P2PKH / P2SH = 1addr or 3addr = pkh()
+# ypub = Segwit P2WPKH in P2SH = 3addr = sh(wpkh())
+# Ypub = Segwit Multisig P2WSH in P2SH = 3addr
+# zpub = Segwit native P2WPKH = bc1addr = wpkh()
+# Zpub = Segwit native Multisig P2WSH = bc1addr
+
+# tpub = P2PKH / P2SH = nmaddr or 2addr = pkh()
+# upub = Segwit P2WPKH in P2SH = 2addr = sh(wpkh())
+# Upub = Segwit Multisig P2WSH in P2SH = 2addr
+# vpub = Segwit native P2WPKH = tb1addr = wpkh()
+# Vpub = Segwit native Multisig P2WSH = tb1addr
+
+# https://github.com/bitcoin/bitcoin/blob/master/doc/descriptors.md
+# Output descriptors currently support:
+#
+# Pay-to-pubkey scripts (P2PK), through the pk function.
+# Pay-to-pubkey-hash scripts (P2PKH), through the pkh function.
+# Pay-to-witness-pubkey-hash scripts (P2WPKH), through the wpkh function.
+# Pay-to-script-hash scripts (P2SH), through the sh function.
+# Pay-to-witness-script-hash scripts (P2WSH), through the wsh function.
+# Pay-to-taproot outputs (P2TR), through the tr function.
+# Multisig scripts, through the multi function.
+# Multisig scripts where the public keys are sorted lexicographically, through the sortedmulti function.
+# Any type of supported address through the addr function.
+# Raw hex scripts through the raw function.
+# Public keys (compressed and uncompressed) in hex notation, or BIP32 extended pubkeys with derivation paths.
+
+# mainnet
+#
+# kexkey@debian01:~$ bcli deriveaddresses "$(bcli getdescriptorinfo "pkh(xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL/1/*)" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "14qCH92HCyDDBFFZdhDt1WMfrMDYnBFYMF",
+#   "17igj1BanXgMbEgnLrfYhKHtGPZeBj9CfX",
+#   "1HcUHrp8YyDfssqXecCnfxd6ZLdF1y2m4d",
+#   "12iJX7tpCYGYwk7pUNcjMYW2kQgY1yPwNU",
+#   "13AmGioGrUqYbUVgoX2QA95NdRCbAxMJnS"
+# ]
+# /pycoin # ku xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL -n BTC -a -s 1/0-4
+# 14qCH92HCyDDBFFZdhDt1WMfrMDYnBFYMF
+# 17igj1BanXgMbEgnLrfYhKHtGPZeBj9CfX
+# 1HcUHrp8YyDfssqXecCnfxd6ZLdF1y2m4d
+# 12iJX7tpCYGYwk7pUNcjMYW2kQgY1yPwNU
+# 13AmGioGrUqYbUVgoX2QA95NdRCbAxMJnS
+#
+# kexkey@debian01:~$ bcli deriveaddresses "$(bcli getdescriptorinfo "sh(wpkh(xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL/1/*))" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "35JaJ9kTdULF549HwQQX1ffgyhzo6e8oAF",
+#   "3KoUwSB6e27qMusjdPKKZL5n9Z1dCe9CEb",
+#   "3AjJQ9k2sFZaXUaJfounfQ69farMtsBY2b",
+#   "3Coe3nNVbRs5Q4BeJbzGUUwsxMvY5aZC2H",
+#   "3FBW1Yp5j45dxEnFXvjY2j8P5NqtXUbGQC"
+# ]
+# /proxy # convert_pub32 xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL ypub
+# ypub6ZFS8LErd4QBBVwLiy55q3icFPkSNde7zAnE895MfQsATRevcQsFDpxjadiSgUazAT5PpnAqyQtc3cu6kPGC4fRB5hgpvXVoC4NYx7B2Uih
+# /pycoin # ku ypub6ZFS8LErd4QBBVwLiy55q3icFPkSNde7zAnE895MfQsATRevcQsFDpxjadiSgUazAT5PpnAqyQtc3cu6kPGC4fRB5hgpvXVoC4NYx7B2Uih -n BTC -a -s 1/0-4
+# 35JaJ9kTdULF549HwQQX1ffgyhzo6e8oAF
+# 3KoUwSB6e27qMusjdPKKZL5n9Z1dCe9CEb
+# 3AjJQ9k2sFZaXUaJfounfQ69farMtsBY2b
+# 3Coe3nNVbRs5Q4BeJbzGUUwsxMvY5aZC2H
+# 3FBW1Yp5j45dxEnFXvjY2j8P5NqtXUbGQC
+#
+# kexkey@debian01:~$ bcli deriveaddresses "$(bcli getdescriptorinfo "wpkh(xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL/1/*)" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "bc1q9gzuy9rp0jdsgdxf95zcxgq2shhkrqv0wy2wek",
+#   "bc1qfxe0s8h2rm94hjta0red37yanjrpc08jxsjzhg",
+#   "bc1qkcm45vx8svaj728q64wpsrgjks75m74ytsz54h",
+#   "bc1qztrum7f79x2n9c3ecss5ygxamtxk0k643jyxh7",
+#   "bc1qzly0x6djdnthpn4kju00tmaglltudc284tpqgx"
+# ]
+# /proxy # convert_pub32 xpub6ERApfZwUNrhLCkDtcHTcxd75RbzS1ed54G1LkBUHQVHQKqhMkhgbmJbZRkrgZw4koxb5JaHWkY4ALHY2grBGRjaDMzQLcgJvLJuZZvRcEL zpub
+# zpub6t5hRzummjwf2o8TZKri38p7RMttKFdcuHJSuXyF3RF3WXU9s52oqtcsbqg2gPEua6CCaFmQS5F9vuWfU5gCru6mx3PFWSKHTnSCLjbc4XQ
+# /pycoin # ku zpub6t5hRzummjwf2o8TZKri38p7RMttKFdcuHJSuXyF3RF3WXU9s52oqtcsbqg2gPEua6CCaFmQS5F9vuWfU5gCru6mx3PFWSKHTnSCLjbc4XQ -n BTC -a -s 1/0-4
+# bc1q9gzuy9rp0jdsgdxf95zcxgq2shhkrqv0wy2wek
+# bc1qfxe0s8h2rm94hjta0red37yanjrpc08jxsjzhg
+# bc1qkcm45vx8svaj728q64wpsrgjks75m74ytsz54h
+# bc1qztrum7f79x2n9c3ecss5ygxamtxk0k643jyxh7
+# bc1qzly0x6djdnthpn4kju00tmaglltudc284tpqgx
+#
+# testnet
+#
+# debian@preprod-cyphernode:~$ bcli deriveaddresses "$(bcli getdescriptorinfo "pkh(tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk/1/*)" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "n4Ejeb9EL6dpHQXDX1HqxsWYGedbJtAZot",
+#   "mou7EK24dBS48u1qUvcyCaKrmUkjGGc84M",
+#   "mk7Tg1RpQDTCUMrbPS5c5rS2zW5McNT5CD",
+#   "mntSbET8Us3bjjV1UNRgk4y8KzLCt8NMDV",
+#   "n1UCqQqjDe8eaPuuTQjCFnn4JKFQ9E4g2v"
+# ]
+# /pycoin # ku tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk -n BTCY -a -s 1/0-4
+# n4Ejeb9EL6dpHQXDX1HqxsWYGedbJtAZot
+# mou7EK24dBS48u1qUvcyCaKrmUkjGGc84M
+# mk7Tg1RpQDTCUMrbPS5c5rS2zW5McNT5CD
+# mntSbET8Us3bjjV1UNRgk4y8KzLCt8NMDV
+# n1UCqQqjDe8eaPuuTQjCFnn4JKFQ9E4g2v
+#
+# debian@preprod-cyphernode:~$ bcli deriveaddresses "$(bcli getdescriptorinfo "sh(wpkh(tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk/1/*))" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "2N3RtGVRuJc8zUrD2zqTmgcBakaGVEvyLRx",
+#   "2N1VKRFpQVRetXGcJh4DTWVWWYJHZSTLU3x",
+#   "2MvXSh2YAaZkDM2qkPvwzNkizU85qSgU5wa",
+#   "2MwLhxRYQejtNRh9VJ4USH9oCBXVbe3oPkj",
+#   "2N3yNaASJT3uHoDV5RTyATFS48K32TDjYrp"
+# ]
+# /proxy # convert_pub32 tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk upub
+# upub57Wa4MvRPNyAijHCMmZ1qAk3LfAB7bQpHQA3djER2gXkS2F5vrDb1ydWmXUVqUHRBpKRfQSucSr1xeWfGtS2qF9NnCHWnCLzMD3GofE1xrd
+# /pycoin # ku upub57Wa4MvRPNyAijHCMmZ1qAk3LfAB7bQpHQA3djER2gXkS2F5vrDb1ydWmXUVqUHRBpKRfQSucSr1xeWfGtS2qF9NnCHWnCLzMD3GofE1xrd -n BTCY -a -s 1/0-4
+# 2N3RtGVRuJc8zUrD2zqTmgcBakaGVEvyLRx
+# 2N1VKRFpQVRetXGcJh4DTWVWWYJHZSTLU3x
+# 2MvXSh2YAaZkDM2qkPvwzNkizU85qSgU5wa
+# 2MwLhxRYQejtNRh9VJ4USH9oCBXVbe3oPkj
+# 2N3yNaASJT3uHoDV5RTyATFS48K32TDjYrp
+#
+# debian@preprod-cyphernode:~$ bcli deriveaddresses "$(bcli getdescriptorinfo "wpkh(tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk/1/*)" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "tb1qlyu6umpkk0jhr33j90h3ff5qpw6t25y5f6huzp",
+#   "tb1qt0cemjuvrkj2hxhwm9769hdukfu4zfdfkknxxe",
+#   "tb1qxfnjka657mymehg92k3ekrmqk9289h7hvvaxaj",
+#   "tb1q2rvncazgrvzllm0v5qc4nrldu4u2vkyr27ujx4",
+#   "tb1qmtwk0h8hht6tqvrcwwzem48x54042fxelk8x52"
+# ]
+# /proxy # convert_pub32 tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk vpub
+# vpub5SLqN2bLY4Wea2UKC8Le3FqYWdJd4DQKCWgGR88JQgudV84KBWP9e3HenjS5qNwLbTSEQt3U57CZqw8Dzar3dUpyeXywN7AUcw6vCDFXgMy
+# /pycoin # ku vpub5SLqN2bLY4Wea2UKC8Le3FqYWdJd4DQKCWgGR88JQgudV84KBWP9e3HenjS5qNwLbTSEQt3U57CZqw8Dzar3dUpyeXywN7AUcw6vCDFXgMy -n BTCY -a -s 1/0-4
+# tb1qlyu6umpkk0jhr33j90h3ff5qpw6t25y5f6huzp
+# tb1qt0cemjuvrkj2hxhwm9769hdukfu4zfdfkknxxe
+# tb1qxfnjka657mymehg92k3ekrmqk9289h7hvvaxaj
+# tb1q2rvncazgrvzllm0v5qc4nrldu4u2vkyr27ujx4
+# tb1qmtwk0h8hht6tqvrcwwzem48x54042fxelk8x52
+#
+# regtest
+#
+# kexkey@AlcodaZ-2 dist % docker exec -it $(docker ps -q -f "name=cyphernode_bitcoin") bitcoin-cli deriveaddresses "$(docker exec -it $(docker ps -q -f "name=cyphernode_bitcoin") bitcoin-cli getdescriptorinfo "pkh(tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk/1/*)" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "n4Ejeb9EL6dpHQXDX1HqxsWYGedbJtAZot",
+#   "mou7EK24dBS48u1qUvcyCaKrmUkjGGc84M",
+#   "mk7Tg1RpQDTCUMrbPS5c5rS2zW5McNT5CD",
+#   "mntSbET8Us3bjjV1UNRgk4y8KzLCt8NMDV",
+#   "n1UCqQqjDe8eaPuuTQjCFnn4JKFQ9E4g2v"
+# ]
+# /pycoin # ku tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk -n BTCY -a -s 1/0-4
+#
+# kexkey@AlcodaZ-2 dist % docker exec -it $(docker ps -q -f "name=cyphernode_bitcoin") bitcoin-cli deriveaddresses "$(docker exec -it $(docker ps -q -f "name=cyphernode_bitcoin") bitcoin-cli getdescriptorinfo "sh(wpkh(tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk/1/*))" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "2N3RtGVRuJc8zUrD2zqTmgcBakaGVEvyLRx",
+#   "2N1VKRFpQVRetXGcJh4DTWVWWYJHZSTLU3x",
+#   "2MvXSh2YAaZkDM2qkPvwzNkizU85qSgU5wa",
+#   "2MwLhxRYQejtNRh9VJ4USH9oCBXVbe3oPkj",
+#   "2N3yNaASJT3uHoDV5RTyATFS48K32TDjYrp"
+# ]
+# kexkey@AlcodaZ-2 dist % docker exec -it $(docker ps -q -f "name=cyphernode_bitcoin") bitcoin-cli deriveaddresses "$(docker exec -it $(docker ps -q -f "name=cyphernode_bitcoin") bitcoin-cli getdescriptorinfo "wpkh(tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk/1/*)" | jq -r ".descriptor")" "[0,4]"
+# [
+#   "bcrt1qlyu6umpkk0jhr33j90h3ff5qpw6t25y5tnw34g",
+#   "bcrt1qt0cemjuvrkj2hxhwm9769hdukfu4zfdf5l2t3s",
+#   "bcrt1qxfnjka657mymehg92k3ekrmqk9289h7hw9yt2m",
+#   "bcrt1q2rvncazgrvzllm0v5qc4nrldu4u2vkyrgh9l3u",
+#   "bcrt1qmtwk0h8hht6tqvrcwwzem48x54042fxeal7trr"
+# ]
+
+##############################################################
+##############################################################
+
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl -d '{"pub32":"tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk","path":"0/26-30"}' localhost:8888/derivepubpath
+# {"addresses":[{"address":"mmaVh4SYCQhSmLWwFz7TuJ6WrQRYy8ertu"},{"address":"msriobrSwkReTfzvQr78de6RBfcbVCDxmX"},{"address":"mp377o3ifAGT5hnDBFjzmm8dFKEC9Cr4ct"},{"address":"mkxWm27kekHJC2kH1HgiT18xHrLMriZ3rc"},{"address":"mwoQwJckE6otryPNyeYwknsMCwjgyNWdjh"}]}
+# 
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl -d '{"pub32":"tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk","path":"0/26-30"}' localhost:8888/derivepubpath_bitcoind
+# ["mmaVh4SYCQhSmLWwFz7TuJ6WrQRYy8ertu","msriobrSwkReTfzvQr78de6RBfcbVCDxmX","mp377o3ifAGT5hnDBFjzmm8dFKEC9Cr4ct","mkxWm27kekHJC2kH1HgiT18xHrLMriZ3rc","mwoQwJckE6otryPNyeYwknsMCwjgyNWdjh"]
+# 
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl -d '{"pub32":"tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk","path":"0/30"}' localhost:8888/derivepubpath 
+# {"addresses":[{"address":"mwoQwJckE6otryPNyeYwknsMCwjgyNWdjh"}]}
+# 
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl -d '{"pub32":"tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk","path":"0/30"}' localhost:8888/derivepubpath_bitcoind   
+# ["mwoQwJckE6otryPNyeYwknsMCwjgyNWdjh"]
+# 
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl localhost:8888/deriveindex/26-30         
+# {"addresses":[{"address":"2NFLhFghAPKEPuZCKoeXYYxuaBxhKXbmhBV"},{"address":"2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP"},{"address":"2Mth8XDZpXkY9d95tort8HYEAuEesow2tF6"},{"address":"2MwqEmAXhUw6H7bJwMhD13HGWVEj2HgFiNH"},{"address":"2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"}]}
+# 
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl localhost:8888/deriveindex_bitcoind/26-30
+# ["2NFLhFghAPKEPuZCKoeXYYxuaBxhKXbmhBV","2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP","2Mth8XDZpXkY9d95tort8HYEAuEesow2tF6","2MwqEmAXhUw6H7bJwMhD13HGWVEj2HgFiNH","2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"]
+# 
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl localhost:8888/deriveindex/30   
+# {"addresses":[{"address":"2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"}]}
+# 
+# docker exec -it $(docker ps -q -f "name=cyphernode_proxy\.") curl localhost:8888/deriveindex_bitcoind/30
+# ["2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"]
+# 
diff --git a/proxy_docker/app/script/requesthandler.sh b/proxy_docker/app/script/requesthandler.sh
index 4119580..cba8db8 100644
--- a/proxy_docker/app/script/requesthandler.sh
+++ b/proxy_docker/app/script/requesthandler.sh
@@ -607,6 +607,24 @@ main() {
           response_to_client "${response}" ${?}
           break
           ;;
+        deriveindex_bitcoind)
+          # curl GET http://192.168.111.152:8080/deriveindex_bitcoind/25-30
+          # curl GET http://192.168.111.152:8080/deriveindex_bitcoind/34
+
+          response=$(deriveindex_bitcoind "$(echo "${line}" | cut -d ' ' -f2 | cut -d '/' -f3)")
+          response_to_client "${response}" ${?}
+          break
+          ;;
+        derivepubpath_bitcoind)
+          # POST http://192.168.111.152:8080/derivepubpath_bitcoind
+          # BODY {"pub32":"tpubD6NzVbkrYhZ4YR3QK2tyfMMvBghAvqtNaNK1LTyDWcRHLcMUm3ZN2cGm5BS3MhCRCeCkXQkTXXjiJgqxpqXK7PeUSp86DTTgkLpcjMtpKWk","path":"0/25-30"}
+          # BODY {"pub32":"upub5GtUcgGed1aGH4HKQ3vMYrsmLXwmHhS1AeX33ZvDgZiyvkGhNTvGd2TA5Lr4v239Fzjj4ZY48t6wTtXUy2yRgapf37QHgt6KWEZ6bgsCLpb","path":"0/25-30"}
+          # BODY {"pub32":"vpub5SLqN2bLY4WeZF3kL4VqiWF1itbf3A6oRrq9aPf16AZMVWYCuN9TxpAZwCzVgW94TNzZPNc9XAHD4As6pdnExBtCDGYRmNJrcJ4eV9hNqcv","path":"0/25-30"}
+
+          response=$(derivepubpath_bitcoind "${line}")
+          response_to_client "${response}" ${?}
+          break
+          ;;
         getmempoolinfo)
           # curl GET http://192.168.111.152:8080/getmempoolinfo
 
diff --git a/proxy_docker/app/tests/test-derive.sh b/proxy_docker/app/tests/test-derive.sh
new file mode 100755
index 0000000..40db98c
--- /dev/null
+++ b/proxy_docker/app/tests/test-derive.sh
@@ -0,0 +1,92 @@
+#!/bin/sh
+
+test_derive() {
+  local address
+  local address1
+  local address2
+  local address3
+  local response
+  local transaction
+
+  # deriveindex
+  # (GET) http://proxy:8888/deriveindex/25-30
+  # {"addresses":[{"address":"2N6Q9kBcLtNswgMSLSQ5oduhbctk7hxEJW8"},{"address":"2NFLhFghAPKEPuZCKoeXYYxuaBxhKXbmhBV"},{"address":"2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP"},{"address":"2Mth8XDZpXkY9d95tort8HYEAuEesow2tF6"},{"address":"2MwqEmAXhUw6H7bJwMhD13HGWVEj2HgFiNH"},{"address":"2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"}]}
+
+  echo "Testing deriveindex..."
+  response=$(curl -s proxy:8888/deriveindex/25-30)
+  echo "response=${response}"
+  local nbaddr=$(echo "${response}" | jq ".addresses | length")
+  if [ "${nbaddr}" -ne "6" ]; then
+    exit 130
+  fi
+  address=$(echo "${response}" | jq ".addresses[2].address" | tr -d '\"')
+  if [ "${address}" != "2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP" ]; then
+    exit 140
+  fi
+  echo "Tested deriveindex."
+
+  # derivepubpath
+  # (GET) http://proxy:8888/derivepubpath
+  # BODY {"pub32":"upub5GtUcgGed1aGH4HKQ3vMYrsmLXwmHhS1AeX33ZvDgZiyvkGhNTvGd2TA5Lr4v239Fzjj4ZY48t6wTtXUy2yRgapf37QHgt6KWEZ6bgsCLpb","path":"0/25-30"}
+  # {"addresses":[{"address":"2N6Q9kBcLtNswgMSLSQ5oduhbctk7hxEJW8"},{"address":"2NFLhFghAPKEPuZCKoeXYYxuaBxhKXbmhBV"},{"address":"2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP"},{"address":"2Mth8XDZpXkY9d95tort8HYEAuEesow2tF6"},{"address":"2MwqEmAXhUw6H7bJwMhD13HGWVEj2HgFiNH"},{"address":"2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"}]}
+
+  echo "Testing derivepubpath..."
+  response=$(curl -s -H "Content-Type: application/json" -d "{\"pub32\":\"upub5GtUcgGed1aGH4HKQ3vMYrsmLXwmHhS1AeX33ZvDgZiyvkGhNTvGd2TA5Lr4v239Fzjj4ZY48t6wTtXUy2yRgapf37QHgt6KWEZ6bgsCLpb\",\"path\":\"0/25-30\"}" proxy:8888/derivepubpath)
+  echo "response=${response}"
+  local nbaddr=$(echo "${response}" | jq ".addresses | length")
+  if [ "${nbaddr}" -ne "6" ]; then
+    exit 150
+  fi
+  address=$(echo "${response}" | jq ".addresses[2].address" | tr -d '\"')
+  if [ "${address}" != "2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP" ]; then
+    exit 160
+  fi
+  echo "Tested derivepubpath."
+
+  # deriveindex_bitcoind
+  # (GET) http://proxy:8888/deriveindex_bitcoind/25-30
+  # ["2N6Q9kBcLtNswgMSLSQ5oduhbctk7hxEJW8","2NFLhFghAPKEPuZCKoeXYYxuaBxhKXbmhBV","2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP","2Mth8XDZpXkY9d95tort8HYEAuEesow2tF6","2MwqEmAXhUw6H7bJwMhD13HGWVEj2HgFiNH","2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"]
+
+  echo "Testing deriveindex_bitcoind..."
+  response=$(curl -s proxy:8888/deriveindex_bitcoind/25-30)
+  echo "response=${response}"
+  local nbaddr=$(echo "${response}" | jq ". | length")
+  if [ "${nbaddr}" -ne "6" ]; then
+    exit 130
+  fi
+  address=$(echo "${response}" | jq ".[2]" | tr -d '\"')
+  if [ "${address}" != "2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP" ]; then
+    exit 140
+  fi
+  echo "Tested deriveindex_bitcoind."
+
+  # derivepubpath_bitcoind
+  # (GET) http://proxy:8888/derivepubpath_bitcoind
+  # BODY {"pub32":"upub5GtUcgGed1aGH4HKQ3vMYrsmLXwmHhS1AeX33ZvDgZiyvkGhNTvGd2TA5Lr4v239Fzjj4ZY48t6wTtXUy2yRgapf37QHgt6KWEZ6bgsCLpb","path":"0/25-30"}
+  # ["2N6Q9kBcLtNswgMSLSQ5oduhbctk7hxEJW8","2NFLhFghAPKEPuZCKoeXYYxuaBxhKXbmhBV","2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP","2Mth8XDZpXkY9d95tort8HYEAuEesow2tF6","2MwqEmAXhUw6H7bJwMhD13HGWVEj2HgFiNH","2N2Y4BVRdrRFhweub2ehHXveGZC3nryMEJw"]
+
+  echo "Testing derivepubpath_bitcoind..."
+  response=$(curl -s -H "Content-Type: application/json" -d "{\"pub32\":\"upub5GtUcgGed1aGH4HKQ3vMYrsmLXwmHhS1AeX33ZvDgZiyvkGhNTvGd2TA5Lr4v239Fzjj4ZY48t6wTtXUy2yRgapf37QHgt6KWEZ6bgsCLpb\",\"path\":\"0/25-30\"}" proxy:8888/derivepubpath_bitcoind)
+  echo "response=${response}"
+  local nbaddr=$(echo "${response}" | jq ". | length")
+  if [ "${nbaddr}" -ne "6" ]; then
+    exit 150
+  fi
+  address=$(echo "${response}" | jq ".[2]" | tr -d '\"')
+  if [ "${address}" != "2N7gepbQtRM5Hm4PTjvGadj9wAwEwnAsKiP" ]; then
+    exit 160
+  fi
+  echo "Tested derivepubpath_bitcoind."
+
+  # deriveindex_bitcoind and derivepubpath_bitcoind faster derivation?
+  echo -e "\nDeriving 500 addresses with derivepubpath (Pycoin)..."
+  time curl -s -H "Content-Type: application/json" -d "{\"pub32\":\"upub5GtUcgGed1aGH4HKQ3vMYrsmLXwmHhS1AeX33ZvDgZiyvkGhNTvGd2TA5Lr4v239Fzjj4ZY48t6wTtXUy2yRgapf37QHgt6KWEZ6bgsCLpb\",\"path\":\"0/0-499\"}" proxy:8888/derivepubpath  > /dev/null
+
+  echo -e "\nDeriving 500 addresses with derivepubpath_bitcoind (Bitcoin Core)..."
+  time curl -s -H "Content-Type: application/json" -d "{\"pub32\":\"upub5GtUcgGed1aGH4HKQ3vMYrsmLXwmHhS1AeX33ZvDgZiyvkGhNTvGd2TA5Lr4v239Fzjj4ZY48t6wTtXUy2yRgapf37QHgt6KWEZ6bgsCLpb\",\"path\":\"0/0-499\"}" proxy:8888/derivepubpath_bitcoind  > /dev/null
+
+}
+
+apk add curl jq
+
+test_derive
diff --git a/pycoin_docker/script/pycoin.sh b/pycoin_docker/script/pycoin.sh
index 4e3e387..5c46990 100644
--- a/pycoin_docker/script/pycoin.sh
+++ b/pycoin_docker/script/pycoin.sh
@@ -28,7 +28,7 @@ derive() {
   for address in ${result}
   do
     if ${notfirst}; then
-      echo ","
+      echo -n ","
     else
       notfirst=true
     fi