Share a 3-chain (TRC ERC BSC) authorized currency-holding interest-generating source code, resources contributed by group friends, which are said to be operational-level. After a brief look, there are no problems and no major problems. Those who are capable can use it to open other templates.
The construction is very simple, the tutorial will not be written, the environment NGINX1.2+PHP7.2+MYSQL5.6+TP is pseudo-static by default
This kind of source code needs to check whether there is a back door by yourself. I have seen too many people put the back door. It is limited to personal research, and commercial illegal use is prohibited!