You could write your serial novel on any platform, but the platform you chose depended on the reader's region and habits. If the readers were mainly in China, they could serialize the novel on Qidian Chinese Network, Xiaoxiang Academy, Zongheng Chinese Network, and other big platforms. These platforms had a large readership and could receive widespread attention and support. If the readers were mainly in the United States, they could serialize the novel on platforms such as Amazon's iPhone, Apple iBooks, and Google Play Books. These platforms had a huge amount of e-book resources and could also receive widespread attention and support. If the readers were mainly in the UK, they could serialize the novel on platforms such as Penguin Reading, Jianshu, Douban Reading, etc. These platforms had a large readership base and could receive widespread attention and support. No matter where the readers were, they could find a suitable serial novel on the platform and get more attention and support.