Don't make posts like this without giving credit to the original authors and linking to the sources you used. Your thread seemed weird the moment I saw it. At least some parts of it are copy-pasted.
Like this:
6. The use of smart contracts to achieve a decentralized and trustless transaction mechanism solves the risks of internal operation risks, business ethics risks, asset embezzlement and other risks that seriously affect user asset security caused by human factors in centralized exchanges.
That part is taken from
http://yafitex.site/image/yafit_en.pdf or some other similar source.
You are new here and just starting out and this could result in having your account banned. Try to correct it by adding all the sources you used in creating your thread, and know that plagiarism is a serious offence on Bitcointalk. You are now at the mercy of the community and moderators who could report you or ban you if they think you deserve that.
Decentralized exchanges are the only way out. Centralized exchanges are not in line with the spirit of blockchain. Now more and more users understand this truth. Centralization is bound to face death.