For 21 years, the software company Kaseya labored in relative obscurity — at least until cybercriminals exploited it in early July for a massive ransomware attack that snarled businesses around the world and escalated U.S.-Russia diplomatic tensions.
Polkadot (DOT) turned down from $53.87 on Nov. 8, indicating that bears are selling at higher levels. The price has dipped back to $49.78, which is likely to act as a strong support.

As long as your crypto investments don’t stand in the way of your other financial goals and you’ve only put in what you’re ultimately OK with losing, Yang recommends using the same strategy that works for all long-term investments: set it and forget it.
Bitcoin is widely regarded as the first modern cryptocurrency — the first publicly used means of exchange to combine decentralized control, user anonymity, record-keeping via a blockchain, and built-in scarcity.