Blockchain can not be separated from the real economy alone, and those consultants should understand both cryptography and blockchain knowledge as well as understanding the real economy.
It's not always a safe bet to keep Bitcoin in the exchange. If you have a wallet, try to keep it in your wallet, and importantly, keep your wallet's private key
Ive been wrong that i withdraw all my earnings on trading .. i learned that ..must have patience in holding then exchanging it times 10 from the day I bought my alts.. hmm .. too bad for me now bitcoins is still aiming high ..