Hey @pissou, Welcome to Steemit, This is a great platform, I hope you enjoy it and grow into a large user here. If you find anything about this platform difficult to understand please contact me and I will gladly help you. I am here to help. I wrote a piece on how Steemit operates a couple of months back which explains how it all works, it is in my blog. If you like please give me a follow. I write about tech/blockchain regularly, I also plan to do more on photography which is one of my passions. I will keep an eye out for and support your posts going forward!