diff --git a/README.md b/README.md
index 76169e5..bd65b8b 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ sudo yunohost app install https://github.com/duniter/duniter_ynh
 The package is **in progress**.
 Currently, it:
 
-* Install Duniter 0.14.2 and it's dependencies: node, npm
+* Install Duniter 0.20.0aXX and it's dependencies: node, npm
 * Configure
 * Synchronize
 * Start
diff --git a/sources/install.sh b/sources/install.sh
deleted file mode 100644
index 9663503..0000000
--- a/sources/install.sh
+++ /dev/null
@@ -1,353 +0,0 @@
-#!/bin/bash
-
-{ # this ensures the entire script is downloaded #
-
-ucoin_has() {
-  type "$1" > /dev/null 2>&1
-}
-
-if [ -z "$UCOIN_DIR" ]; then
-  UCOIN_DIR="$HOME/.ucoin"
-fi
-
-ucoin_latest_version() {
-  echo "v0.14.2"
-}
-
-ucoin_repo_url() {
-  echo "https://github.com/ucoin-io/ucoin.git"
-}
-
-ucoin_download() {
-  if ucoin_has "curl"; then
-    curl -qkL $*
-  elif ucoin_has "wget"; then
-    # Emulate curl with wget
-    ARGS=$(echo "$*" | command sed -e 's/--progress-bar /--progress=bar /' \
-                           -e 's/-L //' \
-                           -e 's/-I /--server-response /' \
-                           -e 's/-s /-q /' \
-                           -e 's/-o /-O /' \
-                           -e 's/-C - /-c /')
-    wget $ARGS
-  fi
-}
-
-ucoin_is_ubuntu_install() {
-  local distribution
-  distribution=`cat /etc/*-release file 2>/dev/null | grep "Ubuntu"`
-  if [[ "$distribution" = *Ubuntu* ]]; then
-    return 0
-  else
-    return 1
-  fi
-}
-
-ucoin_is_debian_install() {
-  local distribution
-  distribution=`cat /etc/*-release file 2>/dev/null | grep "Debian"`
-  if [[ "$distribution" = *Debian* ]]; then
-    return 0
-  else
-    return 1
-  fi
-}
-
-ucoin_is_fedora_install() {
-  local distribution
-  distribution=`cat /etc/*-release file 2>/dev/null | grep "Fedora"`
-  if [[ "$distribution" = *Fedora* ]]; then
-    return 0
-  else
-    return 1
-  fi
-}
-
-install_ucoin_from_git() {
-
-  if ! ucoin_has "make"; then
-    if ucoin_is_ubuntu_install; then
-      echo "=> make is not available. Please install 'build-essential' package with 'sudo apt-get install build-essential' command, then retry uCoin installation."
-      exit 1
-    fi
-    if ucoin_is_debian_install; then
-      echo "=> make is not available. Please install 'build-essentials' package with 'apt-get install build-essential' command as root, then retry uCoin installation."
-      exit 1
-    fi
-  fi
-  if ! ucoin_has "g++"; then
-    if ucoin_is_ubuntu_install; then
-      echo "=> g++ is not available. Please install 'build-essential' package with 'sudo apt-get install build-essential' command, then retry uCoin installation."
-      exit 1
-    elif ucoin_is_debian_install; then
-      echo "=> g++ is not available. Please install 'build-essentials' package with 'apt-get install build-essential' command as root, then retry uCoin installation."
-      exit 1
-    else
-      echo "=> g++ is not available"
-    fi
-    return 11
-  fi
-  if ! ucoin_has "python"; then
-    if ucoin_is_ubuntu_install; then
-      echo "=> python is not available. Please install 'build-essential' package with 'sudo apt-get install build-essential' command, then retry uCoin installation."
-      exit 1
-    elif ucoin_is_debian_install; then
-      echo "=> python is not available. Please install 'build-essentials' package with 'apt-get install build-essential' command as root, then retry uCoin installation."
-      exit 1
-    else
-      echo "=> python is not available"
-    fi
-    return 11
-  fi
-
-  local PREVIOUS_PATH
-  PREVIOUS_PATH=$PATH
-  if ucoin_has "git"; then
-    # Git is here: clone repository
-    if [ -d "$UCOIN_DIR/.git" ]; then
-      echo "=> ucoin is already installed in $UCOIN_DIR, trying to update using git"
-      printf "\r=> "
-      cd "$UCOIN_DIR" && (command git fetch 2> /dev/null || {
-        echo >&2 "Failed to update ucoin, run 'git fetch' in $UCOIN_DIR yourself." && exit 1
-      })
-    else
-      # Cloning to $UCOIN_DIR
-      echo "=> Downloading ucoin from git to '$UCOIN_DIR'"
-      printf "\r=> "
-      mkdir -p "$UCOIN_DIR"
-      command git clone "$(ucoin_repo_url)" "$UCOIN_DIR"
-    fi
-    cd "$UCOIN_DIR" && command git checkout --quiet $(ucoin_latest_version)
-    if [ ! -z "$(cd "$UCOIN_DIR" && git show-ref refs/heads/master)" ]; then
-      if git branch --quiet 2>/dev/null; then
-        cd "$UCOIN_DIR" && command git branch --quiet -D master >/dev/null 2>&1
-      else
-        echo >&2 "Your version of git is out of date. Please update it!"
-        cd "$UCOIN_DIR" && command git branch -D master >/dev/null 2>&1
-      fi
-    fi
-  else
-    # Fallback: git is not available, we download sources tarball
-    local UCOIN_SRC_TARBALL=https://github.com/ucoin-io/ucoin/archive/$(ucoin_latest_version).tar.gz
-    local UCOIN_SRC_ARCHIVE=$UCOIN_DIR/ucoin_$(ucoin_latest_version).tar.gz
-    local UCOIN_SRC_FOLDER=$UCOIN_DIR/ucoin-$(ucoin_latest_version | sed -e s/^v//)
-    echo "=> Downloading '$UCOIN_SRC_TARBALL' to '$UCOIN_SRC_ARCHIVE'"
-    mkdir -p "$UCOIN_DIR"
-    ucoin_download "$UCOIN_SRC_TARBALL" -o "$UCOIN_SRC_ARCHIVE" || {
-      echo >&2 "Failed to download '$UCOIN_SRC_TARBALL'"
-      return 7
-    }
-    echo "=> Extracting..."
-    cd "$UCOIN_DIR" && tar xzf $UCOIN_SRC_ARCHIVE || {
-      echo >&2 "Failed to extract '$UCOIN_SRC_ARCHIVE'"
-      return 8
-    }
-    echo "=> Moving..."
-    mv $UCOIN_SRC_FOLDER/* $UCOIN_DIR || {
-      echo >&2 "Failed to move files from '$UCOIN_SRC_FOLDER'"
-      return 9
-    }
-    echo "=> Cleaning ucoin sources..."
-    rm -Rf $UCOIN_ARCHIVE $UCOIN_SRC_ARCHIVE $UCOIN_SRC_FOLDER || {
-      echo >&2 "Failed to clean ucoin sources"
-      return 10
-    }
-  fi
-
-  # Download Nodejs
-  local NVER="4.2.0";
-  local ARCH="86"
-  local X64=`uname -a | grep "x86_64"`
-  if [ ! -z "$X64" ]; then
-    ARCH="64"
-  fi
-  local NODEJS_FILENAME=node-v${NVER}-linux-x${ARCH}
-  local NODEJS_TARBALL=http://nodejs.org/dist/v${NVER}/${NODEJS_FILENAME}.tar.gz
-  local NODEJS_ARCHIVE=$UCOIN_DIR/node.tar.gz
-  local NODEJS_EXTRACTED=$UCOIN_DIR/$NODEJS_FILENAME
-  if [ ! -d "$UCOIN_DIR/node" ]; then
-    echo "=> Downloading '$NODEJS_TARBALL' to '$NODEJS_ARCHIVE'"
-    ucoin_download "$NODEJS_TARBALL" -o "$NODEJS_ARCHIVE" || {
-      echo >&2 "Failed to download '$NODEJS_TARBALL'"
-      return 4
-    }
-    tar xzf $NODEJS_ARCHIVE || {
-      echo >&2 "Failed to extract '$NODEJS_ARCHIVE'"
-      return 5
-    }
-    mv $NODEJS_FILENAME "node" || {
-      echo >&2 "Failed to extract '$NODEJS_ARCHIVE'"
-      return 6
-    }
-  fi
-
-  # Install uCoin dependencies (NPM modules)
-  export PATH=$PATH:$UCOIN_DIR/node/bin/
-  npm install
-  export PATH=$PREVIOUS_PATH
-  return
-}
-
-install_ucoin_as_script() {
-  local ARCH="32"
-  local X64=`uname -a | grep "x86_64"`
-  if [ ! -z "$X64" ]; then
-    ARCH="64"
-  fi
-  local UCOIN_SOURCE_LOCAL
-  UCOIN_SOURCE_LOCAL=https://github.com/ucoin-io/ucoin/releases/download/$(ucoin_latest_version)/ucoin-x${ARCH}.tar.gz
-  local UCOIN_ARCHIVE
-  UCOIN_ARCHIVE=$UCOIN_DIR/ucoin.tar.gz
-
-  # Downloading to $UCOIN_DIR
-  mkdir -p "$UCOIN_DIR"
-  if [ -d "$UCOIN_DIR/ucoin" ]; then
-    echo "=> ucoin is already installed in $UCOIN_DIR, trying to update"
-  else
-    echo "=> Downloading ucoin binary to '$UCOIN_DIR'"
-  fi
-  ucoin_download "$UCOIN_SOURCE_LOCAL" -o "$UCOIN_ARCHIVE" || {
-    echo >&2 "Failed to download '$UCOIN_SOURCE_LOCAL'"
-    return 1
-  }
-  echo "=> Extracting ucoin sources..."
-  tar xzf $UCOIN_ARCHIVE -C $UCOIN_DIR || {
-    echo >&2 "Failed to extract $UCOIN_ARCHIVE to $UCOIN_DIR"
-    return 2
-  }
-  echo "=> Cleaning..."
-  rm $UCOIN_ARCHIVE || {
-    echo >&2 "Failed to remove $UCOIN_ARCHIVE"
-    return 2
-  }
-}
-
-#
-# Detect profile file if not specified as environment variable
-# (eg: PROFILE=~/.myprofile)
-# The echo'ed path is guaranteed to be an existing file
-# Otherwise, an empty string is returned
-#
-ucoin_detect_profile() {
-
-  local DETECTED_PROFILE
-  DETECTED_PROFILE=''
-  local SHELLTYPE
-  SHELLTYPE="$(basename /$SHELL)"
-
-  if [ $SHELLTYPE = "bash" ]; then
-    if [ -f "$HOME/.bashrc" ]; then
-      DETECTED_PROFILE="$HOME/.bashrc"
-    elif [ -f "$HOME/.bash_profile" ]; then
-      DETECTED_PROFILE="$HOME/.bash_profile"
-    fi
-  elif [ $SHELLTYPE = "zsh" ]; then
-    DETECTED_PROFILE="$HOME/.zshrc"
-  fi
-
-  if [ -z $DETECTED_PROFILE ]; then
-    if [ -f "$PROFILE" ]; then
-      DETECTED_PROFILE="$PROFILE"
-    elif [ -f "$HOME/.profile" ]; then
-      DETECTED_PROFILE="$HOME/.profile"
-    elif [ -f "$HOME/.bashrc" ]; then
-      DETECTED_PROFILE="$HOME/.bashrc"
-    elif [ -f "$HOME/.bash_profile" ]; then
-      DETECTED_PROFILE="$HOME/.bash_profile"
-    elif [ -f "$HOME/.zshrc" ]; then
-      DETECTED_PROFILE="$HOME/.zshrc"
-    fi
-  fi
-
-  if [ ! -z $DETECTED_PROFILE ]; then
-    echo "$DETECTED_PROFILE"
-  fi
-}
-
-ucoin_is_available_for_distribution() {
-  local distribution
-  local distribution_deb
-  local distribution_fedora
-
-  distribution=`cat /etc/*-release file 2>/dev/null | grep "Ubuntu"`
-  distribution_deb=`cat /etc/*-release file 2>/dev/null | grep "Debian"`
-  distribution_fedora=`cat /etc/*-release file 2>/dev/null | grep "Fedora"`
-
-  if [[ "$distribution" = *Ubuntu\ 14* ]] || [[ "$distribution" = *Ubuntu\ 15* ]] || [[ "$distribution_deb" = *Debian*8*jessie* ]] || [[ "$distribution_fedora" = *Fedora\ 23* ]]; then
-    local X64=`uname -a | grep "x86_64"`
-    if [ ! -z "$X64" ]; then
-      return 0
-    fi
-    echo "=> 32-bit OS, requires to build"
-    return 1
-  else
-    echo "=> No binary for this system, requires to build"
-    return 1
-  fi
-}
-
-ucoin_do_install() {
-
-  # Autodetect install method
-
-  if [ "_$1" == "_git" ]; then
-    install_ucoin_from_git
-  elif ucoin_is_available_for_distribution; then
-    install_ucoin_as_script
-  elif ucoin_has "git"; then
-    install_ucoin_from_git
-  elif ucoin_has "curl"; then
-    install_ucoin_from_git
-  elif ucoin_has "wget"; then
-    install_ucoin_from_git
-  else
-    echo >&2 "You need git, curl, or wget to install ucoin"
-    exit 1
-  fi
-
-  echo
-
-  local UCOIN_PROFILE
-  UCOIN_PROFILE=$(ucoin_detect_profile)
-
-  SOURCE_STR="\nexport UCOIN_DIR=\"$UCOIN_DIR\"\n[ -s \"\$UCOIN_DIR/ucoin.sh\" ] && . \"\$UCOIN_DIR/ucoin.sh\"  # This loads ucoin.sh"
-
-  if [ -z "$UCOIN_PROFILE" ] ; then
-    echo "=> Profile not found. Tried $UCOIN_PROFILE (as defined in \$PROFILE), ~/.bashrc, ~/.bash_profile, ~/.zshrc, and ~/.profile."
-    echo "=> Create one of them and run this script again"
-    echo "=> Create it (touch $UCOIN_PROFILE) and run this script again"
-    echo "   OR"
-    echo "=> Append the following lines to the correct file yourself:"
-    printf "$SOURCE_STR"
-    echo
-  else
-    if ! command grep -qc '/ucoin.sh' "$UCOIN_PROFILE"; then
-      echo "=> Appending source string to $UCOIN_PROFILE"
-      printf "$SOURCE_STR\n" >> "$UCOIN_PROFILE"
-    else
-      echo "=> Source string already in $UCOIN_PROFILE"
-    fi
-  fi
-
-  echo "=> ------------------------------------------------------"
-  echo "=> !                                                     !"
-  echo "=> ! CLOSE and REOPEN YOUR TERMINAL to start using ucoin !"
-  echo "=> !                                                     !"
-  echo "=> ------------------------------------------------------"
-  ucoin_reset
-}
-
-#
-# Unsets the various functions defined
-# during the execution of the install script
-#
-ucoin_reset() {
-  unset -f ucoin_reset ucoin_has ucoin_latest_version \
-    ucoin_download install_ucoin_as_script install_ucoin_from_git \
-    ucoin_detect_profile ucoin_do_install \
-    ucoin_is_available_for_distribution
-}
-
-[ "_$UCOIN_ENV" = "_testing" ] || ucoin_do_install $1
-
-} # this ensures the entire script is downloaded #