如何成为验证人(参考文档)

https://wiki.polkadot.network/en/latest/lang/chinese/node/guides/how-to-validate/

(关键步骤）

You will also need to install the following packages:

• Linux:
  sudo apt install cmake pkg-config libssl-dev git clang libclang-dev

• Mac:
  brew install cmake pkg-config openssl git llvm

polkadot --chain alex --key="12个助记词" --validator 只运行这行

--name alan123454321

如何成为提名人

https://wiki.polkadot.network/en/latest/polkadot/node/guides/how-to-nominate/