When whales make trades, they often do massive sell or buy orders can lead to sudden and significant price changes which change the direction of the market.
Compared to other payment methods, Bitcoin comes with lower transaction fees but actually accepted by a very small group of users. Many people are still not aware of the existence of digital currencies also the price of bitcoin changes daily and don’t have a physical form that means it can’t be used in physical stores.
I do not have enough experience, but I have read in a few sites to avoid : phishing emails(receive an unsolicited email ) Avoid sites that are not trusted (do not contain https study the team of project check the the White paper
Data is the raw material of the current information-driven economy . it makes total sense that the most valuable companies are data companies .An information broker or data broker collects information about individuals from public records driving records, user-contributed material to social networking sites then sell the data to other organizations that use them mainly to target advertising and marketing towards specific group. A blockchain-based, decentralized data marketplace protect data from stolen by data brokers and give o the right to own your data and make profit from it ,such as Wibson ,what else?