any advice for beginner trader ? what exchange to use and worth trust ? what coins to consider trading in ? what strategies to use ?
As a beginner, always do your own research. Most of the info you will find online biased. For trading, use decentralized exchanges (Forkdelta, IDEX, WandX etc) Good luck!
Decentralized Exchanges - this is certainly good, but not always better. Exchanges from the Top 5 can be trusted. Binance - for example