bitcoin官方下载地址：https://bitcoin.org/en/download
下载：
git clone https://github.com/bitcoin/bitcoin.git
cd bitcoin
./autogen.sh
安装依赖包：
sudo apt-get install libdb5.1++-dev
sudo apt-get install libboost-all-dev
sudo apt-get install libqt4-core libqt4-gui libqt4-dev
configure：
./configure
make：
./make